MC68HC908MR8 Datasheet, PDF (143/372 Pages) Motorola, Inc – Microcontrollers

Pulse-Width Modulator for Motor Control (PWMMC)
Features
Addr.
Register Name
Bit 7 6
5
$0027
Read:
PWM Counter Register
Low (PCNTL)
Write:
See page 172. _Reset
:
Bit 7
0
Bit 6
0
Bit 5
0
Read: 0
0
0
$0028
PWM Counter Modulo
Register High (PMODH)
Write:
See page 173. _Reset
:
0
0
0
$0029
Read:
PWM Counter Modulo
Register Low (PMODL)
Write:
See page 173. _Reset
:
Bit 7
X
Bit 6
X
Bit 5
X
$002A
Read:
PWM 1 Value Register
High (PVAL1H)
Write:
Bit 15
See page 174. _Reset
:
0
Bit 14
0
Bit 13
0
$002B
Read:
PWM 1 Value Register
Low (PVAL1L)
Write:
See page 174. _Reset
:
Bit 7
0
Bit 6
0
Bit 5
0
$002C
Read:
PWM 2 Value Register
High (PVAL2H)
Write:
Bit 15
See page 174. _Reset
:
0
Bit 14
0
Bit 13
0
$002D
Read:
PWM 2 Value Register
Low (PVAL2L)
Write:
See page 174. _Reset
:
Bit 7
0
Bit 6
0
Bit 5
0
U = Unaffected X = Indeter-
minate
R ^{= Reserved}
4
Bit 4
3
Bit 3
0
0
0
Bit 11
0
X
Bit 4
Bit 3
X
X
Bit 12 Bit 11
0
0
Bit 4
Bit 3
0
0
Bit 12 Bit 11
0
0
Bit 4
Bit 3
0
0
Bold
= Buff-
ered
2
Bit 2
0
Bit 10
X
Bit 2
X
Bit 10
0
Bit 2
0
Bit 10
0
Bit 2
0
1
Bit 1
0
Bit 9
X
Bit 1
X
Bit 9
0
Bit 1
0
Bit 9
0
Bit 1
0
Bit 0
Bit 0
0
Bit 8
X
Bit 0
X
Bit 8
0
Bit 0
0
Bit 8
0
Bit 0
0
Figure 9-2. Register Summary (Sheet 2 of 4)
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor Pulse-Width Modulator for Motor Control (PWMMC)
Technical Data
143