MC68HC908GT16_07 Datasheet, PDF (32/292 Pages) Freescale Semiconductor, Inc – Microcontrollers

Memory
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
Register Name
Bit 7
6
5
4
3
2
1
Port A Data Register ^Read:
(PTA) Write:
See page 126. _Reset:
PTA7
PTA6
PTA5
PTA4
PTA3
Unaffected by reset
PTA2
PTA1
Port B Data Register ^Read:
(PTB) Write:
See page 128. _Reset:
PTB7
PTB6
PTB5
PTB4
PTB3
Unaffected by reset
PTB2
PTB1
Port C Data Register ^Read:
0
(PTC) Write:
See page 130. _Reset:
PTC6
PTC5
PTC4
PTC3
Unaffected by reset
PTC2
PTC1
Port D Data Register ( ^Read:
PTD) Write:
See page 132. _Reset:
PTD7
PTD6
PTD5
PTD4
PTD3
Unaffected by reset
PTD2
PTD1
Data Direction Register A ^Read:
(DDRA) Write:
See page 126. _Reset:
DDRA7
0
DDRA6
0
DDRA5
0
DDRA4
0
DDRA3
0
DDRA2
0
DDRA1
0
Data Direction Register B ^Read:
(DDRB) Write:
See page 128. _Reset:
DDRB7
0
DDRB6
0
DDRB5
0
DDRB4
0
DDRB3
0
DDRB2
0
DDRB1
0
Data Direction Register C ^Read:
0
(DDRC) Write:
See page 130. _Reset:
0
DDRC6
0
DDRC5
0
DDRC4
0
DDRC3
0
DDRC2
0
DDRC1
0
Data Direction Register D ^Read:
(DDRD) Write:
See page 133. _Reset:
DDRD7
0
DDRD6
0
DDRD5
0
DDRD4
0
DDRD3
0
DDRD2
0
DDRD1
0
Port E Data Register ^Read:
0
0
0
PTE4
PTE3
PTE2
PTE1
(PTE) Write:
See page 135. _Reset:
Unaffected by reset
ESCI Prescaler Register ^Read:
(SCPSC) Write:
See page 172. _Reset:
PDS2
0
PDS1
0
PDS0
0
PSSB4
0
PSSB3
0
PSSB2
0
PSSB1
0
ESCI Arbiter Control ^Read: _AM1
ALOST
AM0
Register (SCIACTL) Write:
See page 176. _Reset:
0
0
0
ACLK
0
AFIN
ARUN AOVFL
0
0
0
ESCI Arbiter Data ^Read:
Register (SCIADAT) Write:
See page 177. _Reset:
ARD7
0
ARD6
0
ARD5
0
ARD4
0
ARD3
0
ARD2
0
ARD1
0
Data Direction Register E ^Read:
0
0
0
DDRE4 DDRE3 DDRE2 DDRE1
(DDRE) Write:
See page 136. _Reset:
0
0
0
0
0
0
0
= Unimplemented
R = Reserved
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 7)
Bit 0
PTA0
PTB0
PTC0
PTD0
DDRA0
0
DDRB0
0
DDRC0
0
DDRD0
0
PTE0
PSSB0
0
ARD8
0
ARD0
0
DDRE0
0
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
32
Freescale Semiconductor