# SAM3S8 UDP

## USB Device Port (UDP) User Interface

### Registers

Register Mapping
Address | Register | Name | Access | Reset
--- | --- | --- | --- | ---
0x40034000 | Frame Number Register | UDP_FRM_NUM | read-only | 0x00000000
0x40034004 | Global State Register | UDP_GLB_STAT | read-write | 0x00000010
0x40034008 | Function Address Register | UDP_FADDR | read-write | 0x00000100
0x40034010 | Interrupt Enable Register | UDP_IER | write-only | -
0x40034014 | Interrupt Disable Register | UDP_IDR | write-only | -
0x40034018 | Interrupt Mask Register | UDP_IMR | read-only | 0x00001200
0x4003401C | Interrupt Status Register | UDP_ISR | read-only | -
0x40034020 | Interrupt Clear Register | UDP_ICR | write-only | -
0x40034028 | Reset Endpoint Register | UDP_RST_EP | read-write | 0x00000000
0x40034030 | Endpoint Control and Status Register | UDP_CSR[8] | read-write | 0x0
0x40034050 | Endpoint FIFO Data Register | UDP_FDR[8] | read-write | 0x0
0x40034074 | Transceiver Control Register | UDP_TXVC | read-write | 0x00000100

### Register Fields

#### UDP Frame Number Register

Name: UDP_FRM_NUM

Access: read-only

Address: 0x40034000

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | FRM_OK | FRM_ERR
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | FRM_NUM
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
FRM_NUM

- FRM_NUM: Frame Number as Defined in the Packet Field Formats

-

- FRM_ERR: Frame Error

-

- FRM_OK: Frame OK

-

#### UDP Global State Register

Name: UDP_GLB_STAT

Access: read-write

Address: 0x40034004

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | RMWUPE | RSMINPR | ESR | CONFG | FADDEN

- FADDEN: Function Address Enable

-

- CONFG: Configured

-

- ESR: Enable Send Resume

  Value | Name | Description
  --- | --- | ---
  0 | - | Mandatory value prior to starting any Remote Wake Up procedure.
  1 | - | Starts the Remote Wake Up procedure if this bit value was 0 and if RMWUPE is enabled.

- RSMINPR

-

- RMWUPE: Remote Wake Up Enable

  Value | Name | Description
  --- | --- | ---
  0 | - | The Remote Wake Up feature of the device is disabled.
  1 | - | The Remote Wake Up feature of the device is enabled.

#### UDP Function Address Register

Name: UDP_FADDR

Access: read-write

Address: 0x40034008

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | FEN
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | FADD

- FADD: Function Address Value

-

- FEN: Function Enable

-

#### UDP Interrupt Enable Register

Name: UDP_IER

Access: write-only

Address: 0x40034010

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | WAKEUP | - | SOFINT | EXTRSM | RXRSM | RXSUSP
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
EP7INT | EP6INT | EP5INT | EP4INT | EP3INT | EP2INT | EP1INT | EP0INT

- EP0INT: Enable Endpoint 0 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP1INT: Enable Endpoint 1 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP2INT: Enable Endpoint 2Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP3INT: Enable Endpoint 3 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP4INT: Enable Endpoint 4 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP5INT: Enable Endpoint 5 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP6INT: Enable Endpoint 6 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- EP7INT: Enable Endpoint 7 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables corresponding Endpoint Interrupt.

- RXSUSP: Enable UDP Suspend Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables UDP Suspend Interrupt.

- RXRSM: Enable UDP Resume Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables UDP Resume Interrupt.

- EXTRSM

-

- SOFINT: Enable Start Of Frame Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables Start Of Frame Interrupt.

- WAKEUP: Enable UDP bus Wakeup Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Enables USB bus Interrupt.

#### UDP Interrupt Disable Register

Name: UDP_IDR

Access: write-only

Address: 0x40034014

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | WAKEUP | - | SOFINT | EXTRSM | RXRSM | RXSUSP
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
EP7INT | EP6INT | EP5INT | EP4INT | EP3INT | EP2INT | EP1INT | EP0INT

- EP0INT: Disable Endpoint 0 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP1INT: Disable Endpoint 1 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP2INT: Disable Endpoint 2 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP3INT: Disable Endpoint 3 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP4INT: Disable Endpoint 4 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP5INT: Disable Endpoint 5 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP6INT: Disable Endpoint 6 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- EP7INT: Disable Endpoint 7 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables corresponding Endpoint Interrupt.

- RXSUSP: Disable UDP Suspend Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables UDP Suspend Interrupt.

- RXRSM: Disable UDP Resume Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables UDP Resume Interrupt.

- EXTRSM

-

- SOFINT: Disable Start Of Frame Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables Start Of Frame Interrupt

- WAKEUP: Disable USB Bus Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Disables USB Bus Wakeup Interrupt.

#### UDP Interrupt Mask Register

Name: UDP_IMR

Access: read-only

Address: 0x40034018

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | WAKEUP | BIT12 | SOFINT | EXTRSM | RXRSM | RXSUSP
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
EP7INT | EP6INT | EP5INT | EP4INT | EP3INT | EP2INT | EP1INT | EP0INT

- EP0INT: Mask Endpoint 0 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP1INT: Mask Endpoint 1 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP2INT: Mask Endpoint 2 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP3INT: Mask Endpoint 3 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP4INT: Mask Endpoint 4 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP5INT: Mask Endpoint 5 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP6INT: Mask Endpoint 6 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- EP7INT: Mask Endpoint 7 Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Corresponding Endpoint Interrupt is disabled.
  1 | - | Corresponding Endpoint Interrupt is enabled.

- RXSUSP: Mask UDP Suspend Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | UDP Suspend Interrupt is disabled.
  1 | - | UDP Suspend Interrupt is enabled.

- RXRSM: Mask UDP Resume Interrupt.

  Value | Name | Description
  --- | --- | ---
  0 | - | UDP Resume Interrupt is disabled.
  1 | - | UDP Resume Interrupt is enabled.

- EXTRSM

-

- SOFINT: Mask Start Of Frame Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | Start of Frame Interrupt is disabled.
  1 | - | Start of Frame Interrupt is enabled.

- BIT12: UDP_IMR Bit 12

-

- WAKEUP: USB Bus WAKEUP Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | USB Bus Wakeup Interrupt is disabled.
  1 | - | USB Bus Wakeup Interrupt is enabled.

#### UDP Interrupt Status Register

Name: UDP_ISR

Access: read-only

Address: 0x4003401C

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | WAKEUP | ENDBUSRES | SOFINT | EXTRSM | RXRSM | RXSUSP
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
EP7INT | EP6INT | EP5INT | EP4INT | EP3INT | EP2INT | EP1INT | EP0INT

- EP0INT: Endpoint 0 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP1INT: Endpoint 1 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP2INT: Endpoint 2 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP3INT: Endpoint 3 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP4INT: Endpoint 4 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP5INT: Endpoint 5 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP6INT: Endpoint 6 Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- EP7INT: Endpoint 7Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Endpoint0 Interrupt pending.
  1 | - | Endpoint0 Interrupt has been raised.

- RXSUSP: UDP Suspend Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No UDP Suspend Interrupt pending.
  1 | - | UDP Suspend Interrupt has been raised.

- RXRSM: UDP Resume Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No UDP Resume Interrupt pending.
  1 | - | UDP Resume Interrupt has been raised.

- EXTRSM

-

- SOFINT: Start of Frame Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Start of Frame Interrupt pending.
  1 | - | Start of Frame Interrupt has been raised.

- ENDBUSRES: End of BUS Reset Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No End of Bus Reset Interrupt pending.
  1 | - | End of Bus Reset Interrupt has been raised.

- WAKEUP: UDP Resume Interrupt Status

  Value | Name | Description
  --- | --- | ---
  0 | - | No Wakeup Interrupt pending.
  1 | - | A Wakeup Interrupt (USB Host Sent a RESUME or RESET) occurred since the last clear.

#### UDP Interrupt Clear Register

Name: UDP_ICR

Access: write-only

Address: 0x40034020

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | WAKEUP | ENDBUSRES | SOFINT | EXTRSM | RXRSM | RXSUSP
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | - | - | - | - | -

- RXSUSP: Clear UDP Suspend Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Clears UDP Suspend Interrupt.

- RXRSM: Clear UDP Resume Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Clears UDP Resume Interrupt.

- EXTRSM

-

- SOFINT: Clear Start Of Frame Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Clears Start Of Frame Interrupt.

- ENDBUSRES: Clear End of Bus Reset Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Clears End of Bus Reset Interrupt.

- WAKEUP: Clear Wakeup Interrupt

  Value | Name | Description
  --- | --- | ---
  0 | - | No effect.
  1 | - | Clears Wakeup Interrupt.

#### UDP Reset Endpoint Register

Name: UDP_RST_EP

Access: read-write

Address: 0x40034028

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
EP7 | EP6 | EP5 | EP4 | EP3 | EP2 | EP1 | EP0

- EP0: Reset Endpoint 0

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP1: Reset Endpoint 1

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP2: Reset Endpoint 2

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP3: Reset Endpoint 3

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP4: Reset Endpoint 4

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP5: Reset Endpoint 5

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP6: Reset Endpoint 6

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

- EP7: Reset Endpoint 7

  Value | Name | Description
  --- | --- | ---
  0 | - | No reset.
  1 | - | Forces the corresponding endpoint FIF0 pointers to 0, therefore RXBYTECNT field is read at 0 in UDP_CSRx register.

#### UDP Endpoint Control and Status Register

Name: UDP_CSR[0:7]

Access: read-write

Address: 0x40034030

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | RXBYTECNT
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
RXBYTECNT
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
EPEDS | - | - | - | DTGLE | EPTYPE
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
DIR | RX_DATA_BK1 | FORCESTALL | TXPKTRDY | STALLSENT | RXSETUP | RX_DATA_BK0 | TXCOMP

- TXCOMP: Generates an IN Packet with Data Previously Written in the DPR

-

- RX_DATA_BK0: Receive Data Bank 0

-

- RXSETUP: Received Setup

-

- STALLSENT: Stall Sent (Control, Bulk Interrupt Endpoints)/ISOERROR (Isochronous Endpoints)

-

- ISOERROR: Stall Sent (Control, Bulk Interrupt Endpoints)/ISOERROR (Isochronous Endpoints)

-

- TXPKTRDY: Transmit Packet Ready

-

- FORCESTALL: Force Stall (used by Control, Bulk and Isochronous Endpoints)

-

- RX_DATA_BK1: Receive Data Bank 1 (only used by endpoints with ping-pong attributes)

-

- DIR: Transfer Direction (only available for control endpoints)

  Value | Name | Description
  --- | --- | ---
  0 | - | Allows Data OUT transactions in the control data stage.
  1 | - | Enables Data IN transactions in the control data stage.

- EPTYPE: Endpoint Type

  Value | Name | Description
  --- | --- | ---
  0x0 | CTRL | Control
  0x1 | ISO_OUT | Isochronous OUT
  0x2 | BULK_OUT | Bulk OUT
  0x3 | INT_OUT | Interrupt OUT
  0x5 | ISO_IN | Isochronous IN
  0x6 | BULK_IN | Bulk IN
  0x7 | INT_IN | Interrupt IN

- DTGLE: Data Toggle

  Value | Name | Description
  --- | --- | ---
  0 | - | Identifies DATA0 packet.
  1 | - | Identifies DATA1 packet.

- EPEDS: Endpoint Enable Disable

-

- RXBYTECNT: Number of Bytes Available in the FIFO

-

#### UDP Endpoint FIFO Data Register

Name: UDP_FDR[0:7]

Access: read-write

Address: 0x40034050

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | - | -
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
FIFO_DATA

- FIFO_DATA: FIFO Data Value

-

#### UDP Transceiver Control Register

Name: UDP_TXVC

Access: read-write

Address: 0x40034074

31 | 30 | 29 | 28 | 27 | 26 | 25 | 24
- | - | - | - | - | - | - | -
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16
- | - | - | - | - | - | - | -
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8
- | - | - | - | - | - | PUON | TXVDIS
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- | - | - | - | - | - | - | -

- TXVDIS: Transceiver Disable

-

- PUON: Pullup On

  Value | Name | Description
  --- | --- | ---
  0 | - | The 1.5KW integrated pullup on DDP is disconnected.
  1 | - | The 1.5 KW integrated pullup on DDP is connected.