R8CSLASH15 datasheet(118/277 Pages) RENESAS

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R8C/14 Group, R8C/15 Group

13. Timers

Rev.2.10

Jan 19, 2006

Page 106 of 253

REJ09B0164-0210

Figure 13.17

TZMR and PUM Registers in Programmable Waveform Generation Mode

Timer Z Waveform Output Control Register

Symbol

Address

After Reset

PUM

0084h

00h

Bit Symbol

Bit Name

Function

INT0

_____

Pin One-shot Trigger

Control Bit

INT0

_____

Pin One-shot Trigger

Polarity Select Bit

b3 b2

INOSTG

b1 b0

—

(b4-b0)

b7 b6 b5 b4

TZOPL

Reserved Bit

Set to “0”

Timer Z Output Level Latch

0 : Outputs “H” for primary period

Outputs “L” for secondary period

Outputs “L” w hen the timer is stopped

1 : Outputs “L” for primary period

Outputs “H” for secondary period

Outputs “H” w hen the timer is stopped

INOSEG

Set to “0” in programmable w aveform generation

mode

Set to “0” in programmable w aveform generation

mode

Timer Z Mode Register

Symbol

Address

After Reset

TZMR

0080h

00h

Bit Symbol

Bit Name

Function

NOTES :

When the TZS bit is set to “1” (count start), The count value is w ritten to the reload register only. When the TZS bit is

set to “0” (count stop), The count value is w ritten to both reload register and counter.

TZS

Timer Z Count Start Flag(2)

0 : Stops counting

1 : Starts counting

TZWC

Timer Z Write Control Bit

Set to “1” in programmable w aveform generation

mode(1)

Reserved Bit

Set to “0”

TZMOD0

Timer Z Operating Mode Bit

b5 b4

0 1 : Programmable Waveform Generation Mode

TZMOD1

000

—

(b3-b0)

101 0

Refer to 20.4.3 Tim er Z for precautions on the TZS bit.

b7 b6 b5 b4 b3 b2 b1 b0

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