ST72104G, ST72215G, ST72216G, ST72254G
I²C BUS INTERFACE (Cont’d)
2
Table 17. I C Register Map and Reset Values
Address
(Hex.)
Register
Label
7
6
5
4
3
2
1
0
I2CCR
Reset Value
PE
0
ENGC
0
START
0
ACK
0
STOP
0
ITE
0
0028h
0029h
002Ah
02Bh
0
0
I2CSR1
Reset Value
EVF
0
ADD10
0
TRA
0
BUSY
0
BTF
0
ADSL
0
M/SL
0
SB
0
I2CSR2
Reset Value
AF
0
STOPF
0
ARLO
0
BERR
0
GCAL
0
0
0
0
I2CCCR
Reset Value
FM/SM
0
CC6
0
CC5
0
CC4
0
CC3
0
CC2
0
CC1
0
CC0
0
I2COAR1
Reset Value
ADD7
0
ADD6
0
ADD5
0
ADD4
0
ADD3
0
ADD2
0
ADD1
0
ADD0
0
02Ch
I2COAR2
Reset Value
FR1
0
FR0
1
ADD9
0
ADD8
0
002Dh
002Eh
0
0
0
0
0
0
0
I2CDR
Reset Value
MSB
0
LSB
0
0
0
0
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