M38043FDHKP datasheet(260/387 Pages) RENESAS

부품명	M38043FDHKP

상세설명	8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES

PDF	387 Pages

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제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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260 / 387 page

2-136

APPLICATION

2.8 D/A converter

Rev.1.00 Jan 14, 2005

REJ09B0212-0100Z

3804 Group (Spec.H)

Fig. 2.8.7 Relevant registers setting

Port P3 direction register (P3D) (address 000716)

P30/DA1: Input mode

DA1 conversion register (DA1) (address 003616)

Timer XY mode register (TM) (address 002316)

Set conversion value (n)

Timer 12, X count source serection register (T12XCSS) (address 000E16)

Timer X count source: f(XIN)/16

AD/DA control register (ADCON) (address 003416)

DA1 output enabled

Timer X count: Stop

Timer mode

Prescaler X (PREX) (address 002416)

2 – 1

Set “division ratio –1”

Timer X (TX) (address 002516)

D616 – 1

Set “division ratio –1”

Interrupt request register 1 (IREQ1) (address 003C16)

Timer X interrupt request

Interrupt control register 1 (ICON1) (address 003E16)

Timer X interrupt: Enabled

Timer XY mode register (TM) (address 002316 )

Timer X count: Start

Analog voltage V =

VREF

× n

256

(n=0 to 255)

M38043FDHKP 데이터시트(PDF) 260 Page - Renesas Technology Corp