Datasheet

Memory Map
Input/Output (I/O) Section
MC68HC908LJ24/LK24 — Rev. 2.1 Data Sheet
Freescale Semiconductor Memory Map 53
$000A
Port F Data Register
(PTF)
Read:
PTF7 PTF6 PTF5 PTF4 PTF3 PTF2 PTF1 PTF0
Write:
Reset:UUUUUUUU
$000B
Data Direction Register F
(DDRF)
Read:
DDRF7 DDRF6 DDRF5 DDRF4 DDRF3 DDRF2 DDRF1 DDRF0
Write:
Reset:00000000
$000C
Port-B LED Control
Register
(LEDB)
Read: 0 0
LEDB5 LEDB4 LEDB3 LEDB2 LEDB1 LEDB0
Write:
Reset:00000000
$000D
Port-C LED Control
Register
(LEDC)
Read:
LEDC7 LEDC6 LEDC5 LEDC4 LEDC3 LEDC2 LEDC1 LEDC0
Write:
Reset:00000000
$000E
Port-E LED Control
Register
(LEDE)
Read:
LEDE7 LEDE6 LEDE5 LEDE4 LEDE3 LEDE2 LEDE1 LEDE0
Write:
Reset:00000000
$000F
Port-F LED Control
Register
(LEDF)
Read:
LEDF7 LEDF6 LEDF5 LEDF4 LEDF3 LEDF2 LEDF1 LEDF0
Write:
Reset:00000000
$0010
SPI Control Register
(SPCR)
Read:
SPRIE R 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:UUUUUUUU
$0013
SCI Control Register 1
(SCC1)
Read:
LOOPS ENSCI
0
M WAKE ILTY PEN PTY
Write:
Reset:00000000
Addr.Register Name Bit 7654321Bit 0
U = Unaffected X = Indeterminate
= Unimplemented R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 2 of 13)