STULPI01ATBR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STULPI01ATBR

High speed USB On-The-Go ULPI transceiver

STMicroelectronics 

STULPI01A - STULPI01B

ULPI registers

Table 15. Vendor and product ID

Register

Bits Access

VENDOR_ID_LOW

7:0

rd

VENDOR_ID_HIGH 7:0

rd

PRODUCT_ID_LOW 7:0

rd

PRODUCT_ID_HIGH 7:0

rd

Address

00h

01h

02h

03h

Value

83 h

04 h

4b h

4f h

Description

Lower byte of vendor ID.

Upper byte of vendor ID.

Lower byte of product ID number.

Upper byte of product ID number.

Table 16.

Power control register

(3Dh-3Fh Read, 3Dh Write, 3Eh Set, 3Fh Clear)

(Controls various power aspects of the USB trans)

Field name

Bits Access Reset

Description

Reserved

0

rd/wr/s/c

0b Reserved. The link must never write a 1b to this bit.

Over-current_PD

1

rd/wr/s/c

Power control of the internal over-current circuit.

1b 0b: Enables the over-current circuit.

1b: Disables the over-current circuit.

UART_DIR

UART_2V7

2

rd/wr/s/c

3

rd/wr/s/c

0b

0b: Txd on DM and Rxd on DP

1b: Txd on DP and Rxd on DM

1b

0b: UART signaling at 3V3

1b: UART signaling at 2V7

Reserved

7:4 rd/wr/s/c

0b Reserved. The link must never write a 1b to these bits.

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