Datasheet

Memory Map
Technical Data MC68HC908GR8 — Rev 4.0
40 Memory Map MOTOROLA
$000A Unimplemented
Read:
Write:
Reset:00000000
$000B Unimplemented
Read:
Write:
Reset:00000000
$000C
Data Direction Register E
(DDRE)
Read: 000000
DDRE1 DDRE0
Write:
Reset:00000000
$000D
Port A Input Pullup Enable
Register (PTAPUE)
Read: 0000
PTAPUE3 PTAPUE2 PTAPUE1 PTAPUE0
Write:
Reset:00000000
$000E
Port C Input Pullup Enable
Register (PTCPUE)
Read: 000000
PTCPUE1 PTCPUE0
Write:
Reset:00000000
$000F
Port D Input Pullup Enable
Register (PTDPUE)
Read: 0
PTDPUE6 PTDPUE5 PTDPUE4 PTDPUE3 PTDPUE2 PTDPUE1 PTDPUE0
Write:
Reset:00000000
$0010
SPI Control Register
(SPCR)
Read:
SPRIE
DMAS
SPMSTR CPOL CPHA SPWOM SPE SPTIE
Write:
Reset:00101000
$0011
SPI Status and Control
Register (SPSCR)
Read: SPRF
ERRIE
OVRF MODF SPTE
MODFEN SPR1 SPR0
Write:
Reset:00001000
$0012
SPI Data Register
(SPDR)
Read: R7 R6 R5 R4 R3 R2 R1 R0
Write: T7 T6 T5 T4 T3 T2 T1 T0
Reset: Unaffected by reset
$0013
SCI Control Register 1
(SCC1)
Read:
LOOPS ENSCI TXINV M WAKE ILTY PEN PTY
Write:
Reset:00000000
Addr.Register Name Bit 7654321Bit 0
= Unimplemented R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 2 of 8)
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
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