MC68HC908MR8 Datasheet, PDF (44/372 Pages) Motorola, Inc – Microcontrollers

Memory Map
Addr.
Register Name
Bit 7
6
5
$0022
Fault Control Register
(FCR)
Read:
Write:
FINT4
FMODE
4
See page 180. _{Reset: 0}
0
0
Fault Status Register
Read: FPIN4
FFLAG
4
0
$0023
(FSR)
See page 181.
Write:
Reset: U
0
U
Read: 0
0
0
Fault Acknowledge Reg-
$0024
ister (FTACK) Write:
See page 182.
FTACK
4
Reset: 0
0
0
$0025
PWM Output Control ^{Read: 0}
(PWMOUT) Write:
See page 159.
Reset: 0
OUT-
CTL
0
OUT6
0
Read:
PWM Counter Register
0
0
0
$0026
High (PCNTH) Write:
See page 172.
Reset: 0
0
0
$0027
PWM Counter Register ^Read:
Low (PCNTL) Write:
See page 172. _Reset:
Bit 7
0
Bit 6
0
Bit 5
0
PWM Counter Modulo ^{Read: 0}
0
0
$0028 Register High (PMODH) Write:
See page 173.
Reset: 0
0
0
$0029
PWM Counter Modulo ^Read:
Register Low (PMODL) Write:
See page 173. _Reset:
Bit 7
X
Bit 6
X
Bit 5
X
$002A
PWM 1 Value Register ^Read: _{Bit 15}
High (PVAL1H) Write:
See page 174. _{Reset: 0}
Bit 14
0
Bit 13
0
U = Unaffected X = Indetermi-
nate
R ^{= Reserved}
4
3
0
0
0
0
0
U
0
0
0
0
OUT5 OUT4
0
0
0
Bit 11
0
Bit 4
0
Bit 3
0
0
0
Bit 11
0
X
Bit 4
Bit 3
X
X
Bit 12 Bit 11
0
Bold
0
= Buff-
ered
2
1
Bit 0
FINT1
FMODE
1
0
0
0
0
FPIN1
FFLAG
1
0
U
0
0
0
0
FTACK
1
0
0
0
OUT3 OUT2 OUT1
0
Bit 10
0
Bit 9
0
Bit 8
0
Bit 2
0
Bit 1
0
Bit 0
0
0
0
Bit 10 Bit 9 Bit 8
X
X
X
Bit 2 Bit 1 Bit 0
X
X
X
Bit 10 Bit 9 Bit 8
0
0
0
= Unimplemented
Figure 2-2. Control, Status, and Data Registers (Sheet 4 of 10)
Technical Data
44
Memory Map
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor