mc68hc908rf2 Freescale Semiconductor, Inc, mc68hc908rf2 Datasheet - Page 23

• Manufacturer Part Number: mc68hc908rf2
• Description: M68hc08 Microcontrollers Microcontroller / Transmitter
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908RF2 — Rev. 4.0
MOTOROLA
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0019
Addr.
↓
↓
Data Direction Register A
Data Direction Register B
Register Name
Port A Data Register
Port B Data Register
Unimplemented
Unimplemented
See page 108.
See page 110.
See page 109.
See page 111.
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 5)
(DDRA)
(DDRB)
(PTA)
(PTB)
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Freescale Semiconductor, Inc.
For More Information On This Product,
MCLKEN
DDRA7
$FEEF
$FE0E
$FE0F
$FE10
$FEF0
$FEFF
$FFEF
$FFF0
$FFF1
$FFF2
$FFFF
$FF00
PTA7
Bit 7
↓
↓
↓
↓
0
0
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= Unimplemented
Figure 2-1. Memory Map (Continued)
DDRA6
PTA6
6
0
0
0
BREAK STATUS AND CONTROL REGISTER (BSCR)
Memory
FLASH BLOCK PROTECT REGISTER (FLBPR)
DDRA5
PTA5
5
0
0
LVI STATUS REGISTER (LVISR)
UNIMPLEMENTED
UNIMPLEMENTED
FLASH VECTORS
DDRA4
MONITOR ROM
Unaffected by reset
Unaffected by reset
PTA4
(222 BYTES)
(240 BYTES)
RESERVED
(16 BYTES)
(14 BYTES)
R
4
0
0
= Reserved U = Unaffected X = Indeterminate
DDRA3
DDRB3
PTA3
PTB3
3
0
0
DDRA2
DDRB2
PTA2
PTB2
2
0
0
Input/Output Section
DDRA1
DDRB1
PTA1
PTB1
1
0
0
Data Sheet
Memory
DDRA0
DDRB0
PTA0
PTB0
Bit 0
0
0
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