3886 datasheet(242/380 Pages) RENESAS

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3886 Datasheet(PDF) 242 Page - Renesas Technology Corp

Part #	3886

Description	8-BIT SINGLE-CHIP MICROCOMPUTER

PDF	380 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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242 / 380 page

3886 Group User’s Manual

APPLICATION

2-125

2.8 D-A Converter

Fig. 2.8.7 Relevant registers setting

Port P5 direction register (P5D) (address 0B16)

P56/DA1: Input mode

D-A1 conversion register (DA1) (address 3616)

Timer XY mode register (TM) (address 2316)

Set conversion value (n)

AD/DA control register (ADCON) (address 3416)

DA1 output enabled

Timer X count: Stop

Timer mode

Prescaler X (PREX) (address 2416)

0116

Set division ratio —1

Timer X (TX) (address 2516)

D616

Set division ratio —1

Interrupt request register 1 (IREQ1) (address 3C16)

Timer X interrupt request

Interrupt control register 1 (ICON1) (address 3E16)

Timer X interrupt: Enabled

Timer XY mode register (TM) (address 2316 )

Timer X count: Start

Analog voltage V =

VREF

× n

256

(n=0 to 255)

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