FUJITSU MB91460 SERIES FR60 - Manual (Page 683)

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Chapter 33 I2C Controller
2.I2C Interface Registers
2. I
2
C Interface Registers
This section describes the function of the I
2
C interface registers in detail.
■
Bus Control Register (IBCR0)
■
Bus Status Register (IBSR0)
■
Ten Bit slave Address register (ITBA0)
■
Ten bit slave address MasK register (ITMK0)
BER BEIE SCC MSS ACK GCAA INTE INT
⇐ Bit no.
Read/write ⇒ (R/W) (R/W) (W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value ⇒ (0) (0) (0) (0) (0) (0) (0) (0)
Bus control register
Address : 0000D0 H
15 14 13 12 11 10 9 8
IBCR0
BB RSC AL LRB TRX AAS GCA ADT
⇐ Bit no.
Read/write
⇒ (R) (R) (R) (R) (R) (R) (R) (R)
Default value
⇒ (0) (0) (0) (0) (0) (0) (0) (0)
Address : 0000D1 H
7 6 5 4 3 2 1 0
IBSR0
Bus status register
--- --- --- --- --- --- TA9 TA8
⇐
Bit no.
Read/write ⇒ (-) (-) (-) (-) (-) (-) (R/W) (R/W)
Default value ⇒ (0) (0) (0) (0) (0) (0) (0) (0)
Ten Bit Address high byte
Address : 0000D2 H
15 14 13 12 11 10 9 8
ITBAH0
TA7 TA6 TA5 TA4 TA3 TA2 TA1 TA0
⇐ Bit no.
Read/write
⇒ (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value
⇒ (0) (0) (0) (0) (0) (0) (0) (0)
Address : 0000D3 H
7 6 5 4 3 2 1 0
ITBAL0
Ten Bit Address low byte
ENTB RAL --- --- --- --- TM9 TM8
⇐
Bit no.
Read/write ⇒ (R/W) (R) (-) (-) (-) (-) (R/W) (R/W)
Default value ⇒ (0) (0) (1) (1) (1) (1) (1) (1)
Ten Bit Address Mask high byte
Address : 0000D4 H
15 14 13 12 11 10 9 8
ITMKH0
TM7 TM6 TM5 TM4 TM3 TM2 TM1 TM0
⇐ Bit no.
Read/write
⇒ (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W) (R/W)
Default value
⇒ (1) (1) (1) (1) (1) (1) (1) (1)
Address : 0000D5 H
7 6 5 4 3 2 1 0
ITMKL0
Ten Bit Address Mask low byte