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7641

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Mitsumi 

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Example Circuit Application for Standard

Serial I/O Mode

Figure 117 shows a circuit application for the standard serial I/O

mode. Control pins will vary according to a programmer, therefore

see a programmer manual for more information.

MITSUBISHI MICROCOMPUTERS

7641 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Clock input

BUSY output

Data input

Data output

VPP power

source input

SCLK

SRDY (BUSY)

SRXD

STXD M37641F8

CNVss

Notes 1: Control pins and external circuitry will vary according to a programmer. For more

information, see the programmer manual.

2: In this example, the Vpp power supply is supplied from an external source (programmer).

To use the user’s power source, connect to 4.5 V to 5.25 V.

Fig. 117 Example circuit application for standard serial I/O mode

136

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