mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 55

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Addr.
$004C
$004D
$004A
$004B
$004E
$0045
$0046
$0047
$0048
$0049
MMIIC CRC Data Register
MMIIC Control Register 1
MMIIC Control Register 2
MMIIC Address Register
MMIIC Status Register
Register Name
MMIIC Data Transmit
MMIIC Data Receive
Timebase Control
Unimplemented
Unimplemented
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 8 of 12)
(MMCRDR)
(MMADR)
(MMDTR)
(MDDRR)
(MMCR1)
(MMCR2)
Register
(MMSR)
Register
Register
(TBCR)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read: MMALIF MMNAKIF
Write:
Read: MMRXIF
Write:
Read:
Write:
Read: MMRD7
Write:
Read:
Write:
X = Indeterminate
MMCRCD7 MMCRCD6 MMCRCD5 MMCRCD4 MMCRCD3 MMCRCD2 MMCRCD1 MMCRCD0
MMAD7
MMTD7
MMEN
Bit 7
TBIF
0
1
0
0
0
0
0
0
0
0
MMTXIF MMATCH MMSRW MMRXAK
MMAD6
MMRD6
MMTD6
MMIEN
TBR2
6
0
0
0
0
0
0
0
0
0
0
Memory Map
MMCLRBB
MMAD5
MMRD5
MMTD5
MMBB
TBR1
5
0
1
0
0
0
0
0
0
0
= Unimplemented
MMRD4
MMAD4
MMAST
MMTD4
TBR0
4
0
0
0
0
0
0
0
0
0
MMTXAK REPSEN
MMAD3
MMTD3
MMRD3
MMRW
TACK
3
0
0
0
0
0
1
0
0
0
MMCRCBF
MMAD2
MMRD2
MMTD2
TBIE
Input/Output (I/O) Section
R
2
0
0
0
0
0
0
0
0
0
MMCRCBYTE
MMTXBE MMRXBF
= Reserved
MMRD1
MMAD1
MMTD1
TBON
1
0
0
0
0
0
1
0
0
0
Memory Map
Data Sheet
MMCRCEF
MMEXTAD
SDASCL1
Unaffected
MMRD0
MMTD0
Bit 0
R
0
0
0
0
0
0
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