
Data Sheet
ADuC7060/ADuC7061
Rev. D | Page 91 of 108
I2C Address 1, I2CADR1, Register
Name:
I2CADR1
Address:
0xFFFF091C
Default value: 0x00
Access:
Read and write
Function:
This 8-bit MMR is used in 10-bit addressing
mode only. This register contains the least
significant byte of the address.
Table 102. I2CADR1 MMR in 10-Bit Address Mode
Bit
Name
Description
7:0
I2CLADR
These bits contain ADDR[7:0] in 10-bit
addressing mode.
I2C Master Clock Control, I2CDIV, Register
Name:
I2CDIV
Address:
0xFFFF0924
Default value: 0x1F1F
Access:
Read and write
Function:
This MMR controls the frequency of the I2C
clock generated by the master on to the SCL
Table 103. I2CDIV MMR Bit Designations
Bit
Name
Description
15:8
DIVH
These bits control the duration of the high
period of SCL.
7:0
DIVL
These bits control the duration of the low period
of SCL.
I2C Slave Registers
I2C Slave Control, I2CSCON, Register
Name:
I2CSCON
Address:
0xFFFF0928
Default value: 0x0000
Access:
Read and write
Function:
This 16-bit MMR configures the I2C peripheral
in slave mode.