R8CSLASH20 datasheet(164/501 Pages) RENESAS

164 / 501 page

R8C/20 Group, R8C/21 Group

14. Timers

Rev.2.00 Aug 27, 2008

Page 148 of 458

REJ09B0250-0200

Figure 14.21

TRBIOC Register in Programmable One-Shot Generation Mode

Timer RB I/O Control Register

Symbol

Address

After Reset

TRBIOC

010Ah

00h

Bit Symbol

Bit Name

Function

0 : INT0

_____

pin one-shot trigger disabled

1 : INT0

_____

pin one-shot trigger enabled

NOTE:

One-shot trigger control bit(1)

0 : Falling edge trigger

1 : Rising edge trigger

TOCNT

TOPL

Timer RB output level select

bit

0 : Outputs one-shot pulse “H”

Outputs “L” w hen the timer is stopped

1 : Outputs one-shot pulse “L”

Outputs “H” w hen the timer is stopped

Timer RB output sw itch bit

Set to 0 in programmable one-shot generation

mode

b7 b6 b5 b4 b3 b2

INOSEG

b1 b0

INOSTG

Nothing is assigned. If necessary, set to 0.

When read, the content is 0.

One-shot trigger polarity

select bit(1)

—

(b7-b4)

—

Refer to 14.2.3.1 One-shot Trigger Selection.

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