38K2 datasheet(186/358 Pages) RENESAS

Part #	38K2

Description	RENESAS 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

PDF	358 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

186 / 358 page

2.3 Timer

Rev.2.00

Oct 15, 2006

page 37 of 112

38K2 Group

REJ09B0338-0200

APPLICATION

Fig. 2.3.21 Related registers setting

PREX

255

ICON1

IREQ1

Timer X interrupt: Enabled

Timer X mode register (address 2316)

Timer X operating mode: Pulse width measurement mode

Timer X count: Stop

Clear to “0” when starting count.

Prescaler X (address 2416)

Timer X (address 2516)

Set “division ratio – 1”.

Interrupt control register 1 (address 3E16)

CNTR0 active edge selection: “H” level width measurement

CNTR0 interrupt: Enabled

Interrupt request register 1 (address 3C16)

Timer X interrupt request

(Set to “1” automatically when Timer X underflows)

ICON2

Interrupt control register 2 (address 3F16)

IREQ2

Interrupt request register 2 (address 3D16)

CNTR0 interrupt request

(Set to “1” automatically when “H” level input came to the end)

38K2 Datasheet(PDF) 186 Page - Renesas Technology Corp