R8C datasheet(87/199 Pages) RENESAS

87 / 199 page

R8C/10 Group

Rev.1.20 Jan 27, 2006

page 77 of 180

REJ09B0019-0120

Figure 12.22 TYZMR Register and PUM Register in Timer Mode

Bit name

Function

Bit symbol

Timer Y, Z waveform output control register

Symbol

Address

After reset

PUM

008416

0016

b6 b5

b1 b0

TYOPL

TZOPL

INOSEG

INOSTG

Timer Z output level

latch

Must set to “0” in timer mode

INT0 pin one-shot

trigger control bit

INT0 pin one-shot trigger

polarity select bit

(b3-b0)

Reserved bit

Must set to “0”

Timer Y-related bit

Must set to “0” in timer mode

12.3 Timer (Timer Z)

Timer Y, Z mode register

SymbolAddressAfter reset

TYZMR008016

0016

Bit name

Function

Bit symbol

b7 b6 b5 b4 b3 b2 b1 b0

0 0 : Timer mode

TZMOD1

TYS

TYWC

TYMOD0

TZMOD0

Timer Y-related bit

TZWC

TZS

0 : Stops counting

1 : Starts counting

Timer Z count

start flag

Timer Z operation

mode bit

b5 b4

Timer Z write

control bit(1)

0 : Write to reload register and counter

1 : Write to reload register only

R1EDG

NOTES:

1. When TZS bit=1 (starts counting), the value set in the TZWC bit is valid. If TZWC bit=0, the timer Z count value is

written to both reload register and counter. If TZWC bit=1, the timer Z count value is written to the reload register

only.

When TZS bit=0 (stops counting), the timer Z count value is written to both reload register and counter regardless of

how the TZWC bit is set.

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