ST7263BEx datasheet(123/186 Pages) STMICROELECTRONICS

Part #	ST7263BEx

Description	Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C

PDF	186 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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123 / 186 page

ST7263Bxx

On-chip peripherals

Doc ID 7516 Rev 8

123/186

I²C Data register (DR)

These bits contain the byte to be received or transmitted on the bus.

●

Transmitter mode: byte transmission start automatically when the software writes in the

DR register.

●

Receiver mode: the first data byte is received automatically in the DR register using the

least significant bit of the address. The following data bytes are then received one by

one after reading the DR register.

Reset value: 0000 0000 (00h)

I²C Own Address register (OAR)

Reset value: 0000 0000 (00h)

Read/write

ADD7

ADD6

ADD5

ADD4

ADD3

ADD2

ADD1

ADD0

Read/write

[7:1] ADD[7:1] Interface address.

These bits define the I²C bus address of the interface. They are not cleared when

the interface is disabled (PE=0).

0 ADD0 Address direction bit.

This bit is don’t care, the interface acknowledges either 0 or 1. It is not cleared

when the interface is disabled (PE=0).

Note: Address 01h is always ignored.

ST7263BEx Datasheet(PDF) 123 Page - STMicroelectronics