M37274EFSP datasheet(28/148 Pages) RENESAS

Part #	M37274EFSP

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

PDF	148 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER

and ON-SCREEN DISPLAY CONTROLLER

M37274EFSP

PRELIMINARY

Notice:

This

is not

a final

specification.

Some

paramentic

limits

are

subject

to change.

MITSUBISHI MICROCOMPUTERS

Fig. 21. Serial I/O Mode Register

b7 b6 b5 b4 b3 b2 b1 b0

Serial I/O mode register (SM) [Address 021316]

Name

Functions

After reset RW

Serial I/O Mode Register

0, 1 Internal synchronous

clock selection bits

(SM0, SM1)

b1 b0

0 0: f(XIN)/4 or f(XCIN)/4

0 1: f(XIN)/16 or f(XCIN)/16

1 0: f(XIN)/32 or f(XCIN)/32

1 1: f(XIN)/64 or f(XCIN)/64

Synchronous clock

selection bit (SM2)

Port function

selection bit (SM3)

6, 7

Transfer direction

selection bit (SM5)

0: P11, P13

1: SCL1, SDA1

0: External clock

1: Internal clock

0: LSB first

1: MSB first

Fix these bits to “0.”

Port function

selection bit (SM4)

0: P12, P14

1: SCL2, SDA2

M37274EFSP Datasheet(PDF) 28 Page - Renesas Technology Corp

M37274EFSP Datasheet(HTML) 28 Page - Renesas Technology Corp

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