M68HC08 datasheet(151/288 Pages) FREESCALE

151 / 288 page

Pulse Width Modulator (PWM)

MC68HC908BD48 — Rev. 2.1

Data Sheet

Freescale Semiconductor

Pulse Width Modulator (PWM)

151

11.4.2 PWM Control Registers 1 and 2 (PWMCR1:PWMCR2)

PWM15E–PWM0E — PWM Output Enable

Setting a bit to 1 will enable the corresponding PWM channel to use

as PWM output. A zero configures the corresponding PWM pin as a

standard I/O port pin. Reset clears these bits.

1 = Port pin configured as PWM output

0 = Port pin configured as standard I/O port pin.

$0028

PWM Control

(PWMCR1)

Read:

PWM7E

PWM6E

PWM5E

PWM4E

PWM3E

PWM2E

PWM1E

PWM0E

Write:

$0059

PWM Control

(PWMCR2)

Read:

PWM15E PWM14E PWM13E PWM12E PWM11E PWM10E PWM9E

PWM8E

Write:

Reset:

00000000

Figure 11-2. PWM Control Register 1 and 2 (PWMCR1:PWMCR2)

Table 11-2. PWM Channels and Port I/O pins

Port Pin

PWM

Channel

Control

Bit

Port Pin

PWM

Channel

Control

Bit

PTB0

PWM0

PWM0E

PTA0

PWM8

PWM8E

PTB1

PWM1

PWM1E

PTA1

PWM9

PWM9E

PTB2

PWM2

PWM2E

PTA2

PWM10

PWM10E

PTB3

PWM3

PWM3E

PTA3

PWM11

PWM11E

PTB4

PWM4

PWM4E

PTA4

PWM12

PWM12E

PTB5

PWM5

PWM5E

PTA5

PWM13

PWM13E

PTB6

PWM6

PWM6E

PTA6

PWM14

PWM14E

PTB7

PWM7

PWM7E

PTA7

PWM15

PWM15E

M68HC08 Datasheet(PDF) 151 Page - Freescale Semiconductor, Inc

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