mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 212

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Pulse Width Modulator (PWM)
13.3 Features
Data Sheet
212
Addr.
$0051
$0052
$0053
$0054
$0055
$0056
PWM Control Register
PWM Data Register 0
PWM Data Register 1
PWM Data Register 2
Register Name
PWM Phase Control
PWM Clock Control
NOTE:
(PWMCCR)
(PWMPCR)
(PWMDR0)
(PWMDR1)
(PWMDR2)
(PWMCR)
Register
Register
The CGM’s PLL must be running (enabled by setting PLLON bit in the
PLL control register) if the CGMVCLK is selected for the PWM module
input clock. (See
Features of the PWM include the following:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Figure 13-1. PWM I/O Register Summary
•
•
•
•
Three independent PWM channels with independent counters
PWM input clock select
PWM input clock prescaler
Automatic phase control
PWMEN2 PWMEN1 PWMEN0
PCLKSEL
0PWMD7 0PWMD6 0PWMD5 0PWMD4 0PWMD3 0PWMD2 0PWMD1 0PWMD0
1PWMD7 1PWMD6 1PWMD5 1PWMD4 1PWMD3 1PWMD2 1PWMD1 1PWMD0
2PWMD7 2PWMD6 2PWMD5 2PWMD4 2PWMD3 2PWMD2 2PWMD1 2PWMD0
PHEN
Bit 7
0
0
0
0
0
0
Pulse Width Modulator (PWM)
= Unimplemented
PHD6
Section 8. Clock Generator Module
6
0
0
0
0
0
0
0
PHD5
5
0
0
0
0
0
0
0
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
PHD4
4
0
0
0
0
0
0
0
0
PHD3
3
0
0
0
0
0
0
0
0
PCH2
PHD2
Freescale Semiconductor
2
0
0
0
0
0
0
0
(CGM).)
PCLK1
PCH1
PHD1
1
0
0
0
0
0
0
PCLK0
PCH0
PHD0
Bit 0
0
0
0
0
0
0