7480 datasheet(120/337 Pages) RENESAS

Part #	7480

Description	8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES

PDF	337 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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120 / 337 page

7480 Group and 7481 Group User's Manual

1-103

HARDWARE

1.13 Timer 1 and Timer 2

Figure 1.13.9 Operations in Programmable Waveform Generation Mode

FF16

Output level latch

H(s) =

0016

TL'

Count source

Timer 1 stop

control bit

Timer 1 interrupt

request bit

‘0’ is

written

‘0’ is

written

‘1’ is

written

Writing TL to timer 1

Count start

Count stop

Count start

: Setting value to timer 1

: The value which is the timer latch decremented by 1 is reloaded

: Underflow

: Pulse width

: Clearing by writing ‘0’ to interrupt request bit or accepting interrupt request

Count source frequency ×

(Setting value to timer 1 +1)

Writing TL

to timer 1

Time

T0 pin output

Undefined

TL – 1

TL' – 1

‘0’ is

written

‘1’ is

written

‘1’ is

written

‘0’ is

written

‘1’ is

written

Writing TL to timer 1

7480 Datasheet(PDF) 120 Page - Renesas Technology Corp

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