Datasheet

Memory
MC68HC908AP Family Data Sheet, Rev. 4
36 Freescale Semiconductor
$0040
IRSCI Control Register 1
(IRSCC1)
Read:
LOOPS ENSCI
0
M WAKE ILTY PEN PTY
Write:
Reset: 00000000
$0041
IRSCI Control Register 2
(IRSCC2)
Read:
SCTIE TCIE SCRIE ILIE TE RE RWU SBK
Write:
Reset: 00000000
$0042
IRSCI Control Register 3
(IRSCC3)
Read: R8
T8 DMARE DMATE ORIE NEIE FEIE PEIE
Write:
Reset: U U 000000
$0043
IRSCI Status Register 1
(IRSCS1)
Read: SCTE TC SCRF IDLE OR NF FE PE
Write:
Reset: 11000000
$0044
IRSCI Status Register 2
(IRSCS2)
Read:
BKF RPF
Write:
Reset: 00000000
$0045
IRSCI Data Register
(IRSCDR)
Read: R7 R6 R5 R4 R3 R2 R1 R0
Write: T7 T6 T5 T4 T3 T2 T1 T0
Reset: Unaffected by reset
$0046
IRSCI Baud Rate Register
(IRSCBR)
Read:
CKS
0
SCP1 SCP0 R SCR2 SCR1 SCR0
Write:
Reset: 00000000
$0047
IRSCI Infrared Control
Register
(IRSCIRCR)
Read:
R
0 0 0
R TNP1 TNP0 IREN
Write:
Reset: 00000000
$0048
MMIIC Address Register
(MMADR)
Read:
MMAD7 MMAD6 MMAD5 MMAD4 MMAD3 MMAD2 MMAD1 MMEXTAD
Write:
Reset: 10100000
$0049
MMIIC Control Register 1
(MMCR1)
Read:
MMEN MMIEN
0 0
MMTXAK REPSEN
MMCRCBY
TE
0
Write: MMCLRBB
Reset: 00000000
$004A
MMIIC Control Register 2
(MMCR2)
Read: MMALIF MMNAKIF MMBB
MMAST MMRW
0 0
MMCRCEF
Write: 0 0
Reset: 0 0 0 0 0 0 0 Unaffected
$004B
MMIIC Status Register
(MMSR)
Read: MMRXIF MMTXIF MMATCH MMSRW MMRXAK MMCRCBF MMTXBE MMRXBF
Write: 0 0
Reset: 0 0 0 0 1010
$004C
MMIIC Data Transmit
Register
(MMDTR)
Read:
MMTD7 MMTD6 MMTD5 MMTD4 MMTD3 MMTD2 MMTD1 MMTD0
Write:
Reset: 00000000
Addr. Register Name Bit 7 654321Bit 0
U = Unaffected X = Indeterminate
= Unimplemented R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 6 of 9)