ADuC7122BBCZ datasheet(67/96 Pages) AD

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Data Sheet

ADuC7122

I2C Slave Receive Registers

Name:

I2C0SRX, I2C1SRX

Address:

0xFFFF08B0, 0xFFFF0930

Default Value: 0x00

Access:

Read

Function:

This 8-bit MMR is the I2C slave receive

I2C Slave Transmit Registers

Name:

I2C0STX, I2C1STX

Address:

0xFFFF08B4, 0xFFFF0934

Default Value: 0x00

Access:

Read/write

Function:

This 8-bit MMR is the I2C slave transmit

I2C Hardware General Call Recognition Registers

Name:

I2C0ALT, I2C1ALT

Address:

0xFFFF08B8, 0xFFFF0938

Default Value: 0x00

Access:

Read/write

Function:

This 8-bit MMR is used with hardware general

calls when I2CxSCTL Bit 3 is set to 1. This

unable to generate an address for a slave, and

instead, the slave must generate the address for

the master.

I2C Slave Device ID Registers

Name:

I2C0IDx, I2C1IDx

Addresses:

0xFFFF093C = I2C1ID0

0xFFFF08BC = I2C0ID0

0xFFFF0940 = I2C1ID1

0xFFFF08C0 = I2C0ID1

0xFFFF0944 = I2C1ID2

0xFFFF08C4 = I2C0ID2

0xFFFF0948 = I2C1ID3

0xFFFF08C8 = I2C0ID3

Default Value: 0x00

Access:

Read/write

Function:

These 8-bit MMRs are programmed with I2C

bus IDs of the slave. See the I2C Bus Addresses

section for further details.

Rev. A | Page 67 of 96

ADuC7122BBCZ Datasheet(PDF) 67 Page - Analog Devices

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