MC68HC908GR16 Datasheet, PDF (30/310 Pages) Motorola, Inc – Microcontrollers

Memory
Freescale Semiconductor, Inc.
Addr.
Register Name
$0000
Port A Data Register ^Read:
(PTA) Write:
See page 132. _Reset:
$0001
Port B Data Register ^Read:
(PTB) Write:
See page 134. _Reset:
$0002
Port C Data Register ^Read:
(PTC) Write:
See page 136. _Reset:
$0003
Port D Data Register ^Read:
(PTD) Write:
See page 138. _Reset:
$0004
Data Direction Register A ^Read:
(DDRA) Write:
See page 132. _Reset:
$0005
Data Direction Register B ^Read:
(DDRB) Write:
See page 135. _Reset:
$0006
Data Direction Register C ^Read:
(DDRC) Write:
See page 136. _Reset:
$0007
Data Direction Register D ^Read:
(DDRD) Write:
See page 139. _Reset:
$0008
Port E Data Register ^Read:
(PTE) Write:
See page 141. _Reset:
$0009
ESCI Prescaler Register ^Read:
(SCPSC) Write:
See page 187. _Reset:
ESCI Arbiter Control Register ^Read:
$000A
(SCIACTL) Write:
See page 191. _Reset:
$000B
ESCI Arbiter Data ^Read:
Register (SCIADAT) Write:
See page 192. _Reset:
Bit 7
PTA7
PTB7
0
PTD7
DDRA7
0
DDRB7
0
0
0
DDRD7
0
0
PS2
0
AM1
0
ARD7
0
6
PTA6
PTB6
PTC6
PTD6
DDRA6
0
DDRB6
0
DDRC6
0
DDRD6
0
0
PS1
0
ALOST
0
ARD6
0
5
PTA5
PTB5
PTC5
PTD5
DDRA5
0
DDRB5
0
DDRC5
0
DDRD5
0
PTE5
PS0
0
AM0
0
ARD5
0
4
3
PTA4
PTA3
Unaffected by reset
PTB4
PTB3
Unaffected by reset
PTC4
PTC3
Unaffected by reset
PTD4
PTD3
Unaffected by reset
DDRA4 DDRA3
0
0
DDRB4 DDRB3
0
0
DDRC4 DDRC3
0
0
DDRD4 DDRD3
0
0
PTE4
PTE3
Unaffected by reset
PSSB4 PSSB3
0
0
AFIN
ACLK
0
0
ARD4
ARD3
0
0
2
PTA2
PTB2
PTC2
PTD2
DDRA2
0
DDRB2
0
DDRC2
0
DDRD2
0
PTE2
PSSB2
0
ARUN
0
ARD2
0
1
PTA1
PTB1
PTC1
PTD1
DDRA1
0
DDRB1
0
DDRC1
0
DDRD1
0
PTE1
PSSB1
0
AOVFL
0
ARD1
0
Bit 0
PTA0
PTB0
PTC0
PTD0
DDRA0
0
DDRB0
0
DDRC0
0
DDRD0
0
PTE0
PSSB0
0
ARD8
0
ARD0
0
= Unimplemented
R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 7)
Data Sheet
30
Memory
For More Information On This Product,
Go to: www.freescale.com
MC68HC908GR16 — Rev. 1.0
MOTOROLA