MC68HC908GR16 Datasheet, PDF (30/276 Pages) Motorola, Inc – Microcontrollers

Memory
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Data Direction Register C ^Read:
0
$0006
(DDRC) Write:
See page 128. _Reset:
0
DDRC6
0
DDRC5
0
DDRC4
0
DDRC3
0
DDRC2
0
DDRC1
0
DDRC0
0
$0007
Data Direction Register D ^Read:
(DDRD) Write:
See page 131. _Reset:
DDRD7
0
DDRD6
0
DDRD5
0
DDRD4
0
DDRD3
0
DDRD2
0
DDRD1
0
DDRD0
0
$0008
Port E Data Register ^Read:
0
(PTE) Write:
See page 133. _Reset:
0
PTE5
PTE4
PTE3
PTE2
PTE1
PTE0
Unaffected by reset
ESCI Prescaler Register ^Read: _PS2
PS1
PS0
PSSB4 PSSB3 PSSB2 PSSB1 PSSB0
$0009
(SCPSC) Write:
See page 170. _Reset:
0
0
0
0
0
0
0
0
ESCI Arbiter Control Register ^Read: _AM1
ALOST
AM0
$000A
(SCIACTL) Write:
See page 174. _Reset:
0
0
0
ACLK
0
AFIN
ARUN AOVFL ARD8
0
0
0
0
$000B
ESCI Arbiter Data ^Read:
Register (SCIADAT) Write:
See page 175. _Reset:
ARD7
0
ARD6
0
ARD5
0
ARD4
0
ARD3
0
ARD2
0
ARD1
0
ARD0
0
Data Direction Register E ^Read:
0
$000C
(DDRE) Write:
See page 134. _Reset:
0
0
DDRE5 DDRE4 DDRE3 DDRE2 DDRE1 DDRE0
0
0
0
0
0
0
0
$000D
Port A Input Pullup Enable ^Read: _PTAPUE7
Register (PTAPUE) Write:
See page 125. _Reset:
0
PTAPUE6
0
PTAPUE5
0
PTAPUE4
0
PTAPUE3
0
PTAPUE2
0
PTAPUE1
0
PTAPUE0
0
Port C Input Pullup Enable ^Read:
0
$000E
Register (PTCPUE) Write:
See page 129. _Reset:
0
PTCPUE6 PTCPUE5 PTCPUE4 PTCPUE3 PTCPUE2 PTCPUE1 PTCPUE0
0
0
0
0
0
0
0
$000F
Port D Input Pullup Enable ^Read: _PTDPUE7
Register (PTDPUE) Write:
See page 132. _Reset:
0
PTDPUE6
0
PTDPUE5
0
PTDPUE4
0
PTDPUE3
0
PTDPUE2
0
PTDPUE1
0
PTDPUE0
0
$0010
SPI Control Register ^Read:
(SPCR) Write:
See page 212. _Reset:
SPRIE
0
R
SPMSTR CPOL CPHA SPWOM SPE
SPTIE
0
1
0
1
0
0
0
$0011
SPI Status and Control ^Read:
Register (SPSCR) Write:
See page 213. _Reset:
SPRF
0
ERRIE
0
OVRF
0
MODF
0
SPTE
1
MODFEN
0
SPR1
0
SPR0
0
= Unimplemented
R = Reserved U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 2 of 8)
MC68HC908GR16 Data Sheet, Rev. 5.0
30
Freescale Semiconductor