mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 299

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

10.3.2
This section consists of register descriptions in address order. Each description includes a standard register
diagram with an associated figure number. Details of register bit and field function follow the register
diagrams, in bit order.
10.3.2.1
Read and write anytime
This register contains the address the IIC bus will respond to when addressed as a slave; note that it is not
the address sent on the bus during the address transfer.
Freescale Semiconductor
Reserved
ADR[7:1]
Reset
Field
Register
7:1
0
Name
IBCR
IBDR
IBAD
IBFD
IBSR
W
R
Register Descriptions
ADR7
Slave Address — Bit 1 to bit 7 contain the specific slave address to be used by the IIC bus module.The default
mode of IIC bus is slave mode for an address match on the bus.
Reserved — Bit 0 of the IBAD is reserved for future compatibility. This bit will always read 0.
IIC Address Register (IBAD)
0
7
W
W
W
W
W
R
R
R
R
R
= Unimplemented or Reserved
ADR7
ADR6
IBEN
Bit 7
IBC7
TCF
D7
0
6
Figure 10-3. IIC Bus Address Register (IBAD)
= Unimplemented or Reserved
ADR6
Figure 10-2. IIC Register Summary
IBC6
IAAS
IBIE
Table 10-1. IBAD Field Descriptions
D6
6
ADR5
MC9S12E256 Data Sheet, Rev. 1.08
0
5
MS/SL
ADR5
IBC5
IBB
D5
5
ADR4
0
4
Description
ADR4
Tx/Rx
IBC4
IBAL
D4
4
ADR3
3
0
ADR3
TXAK
IBC3
D3
3
0
Chapter 10 Inter-Integrated Circuit (IICV2)
ADR2
0
2
ADR2
IBC2
RSTA
SRW
D2
2
0
ADR1
ADR1
IBC1
IBIF
D1
0
1
1
0
IBSWAI
RXAK
Bit 0
IBC0
D0
0
0
0
0
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