HD64F2149YV datasheet(323/1075 Pages) RENESAS

323 / 1075 page

Section 10 14-Bit PWM Timer

Rev. 3.00 Jan 18, 2006 page 295 of 1044

REJ09B0280-0300

10.1.3

Pin Configuration

Table 10.1 lists the pins used by the PWM (D/A) module.

Table 10.1

Input and Output Pins

Name

Abbreviation

I/O

Function

PWM output pin 0

PWX0

Output

PWM output, channel A

PWM output pin 1

PWX1

Output

PWM output, channel B

10.1.4

Table 10.2 lists the registers of the PWM (D/A) module.

Table 10.2

Name

Abbreviation

R/W

Initial value

Address*

PWM (D/A) control register

DACR

R/W

H'30

H'FFA0*

PWM (D/A) data register A high

DADRAH

R/W

H'FF

H'FFA0*

PWM (D/A) data register A low

DADRAL

R/W

H'FF

H'FFA1*

PWM (D/A) data register B high

DADRBH

R/W

H'FF

H'FFA6*

PWM (D/A) data register B low

DADRBL

R/W

H'FF

H'FFA7*

PWM (D/A) counter high

DACNTH

R/W

H'00

H'FFA6*

PWM (D/A) counter low

DACNTL

R/W

H'03

H'FFA7*

Module stop control register

MSTPCRH

R/W

H'3F

H'FF86

MSTPCRL

R/W

H'FF

H'FF87

Notes: 1. Lower 16 bits of the address.

2. Some of the PWM registers are located in the same addresses as other registers,

switching is made by setting IICE bit in serial/timer control register (STCR).

The same addresses are shared by DADRAH and DACR, and by DADRB and DACNT.

Switching is performed by the REGS bit in DACNT or DADRB.

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