38B5 datasheet(5/70 Pages) RENESAS

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MITSUBISHI MICROCOMPUTERS

38B5 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PRELIMINAR

Notice:

This

is not

a final

specification.

Some

parametric

limits

are

subject

to change.

Table 2 Pin Description (2)

Function except a port function

Name

Function

P50/SIN1,

I/O port P5

• 8-bit CMOS I/O port with the same function as port P0.

• Serial I/O1 function pins

P51/SOUT1,

• CMOS compatible input level.

P52/SCLK11,

• CMOS 3-state output structure.

P53/SCLK12

P54/RXD,

• Serial I/O2 function pins

P55/TXD,

P56/SCLK21,

________

P57/SRDY2/

SCLK22

P60/CNTR1 I/O port P6

• 1-bit I/O port with the same function as port P0.

• Timer input pin

• CMOS compatible input level.

• N-channel open-drain output structure.

P61/CNTR0/

• 5-bit CMOS I/O port with the same function as port P0.

• Timer I/O pin

CNTR2

• CMOS compatible input level.

________

P62/SRDY1/

• CMOS 3-state output structure.

• Serial I/O1 function pin

AN8

• A-D conversion input pin

P63/AN9

• A-D conversion input pin

P64/INT4/

• Serial I/O1 function pin

SBUSY1/AN10,

• A-D conversion input pin

P65/SSTB1/

• Interrupt input pin (P64)

AN11

P70/AN0–

I/O port P7

• 8-bit CMOS I/O port with the same function as port P0.

• A-D conversion input pin

P77/AN7

• CMOS compatible input level.

• CMOS 3-state output structure.

P80/FLD32– I/O port P8

• 4-bit I/O port with the same function as port P0.

• FLD automatic display pins

P83/FLD35

• Low-voltage input level.

• High-breakdown-voltage P-channel open-drain output structure.

P84/FLD36

• 4-bit CMOS I/O port with the same function as port P0.

P85/RTP0/

• Low-voltage input level.

• FLD automatic display pins

FLD37,

P86/RTP1/

FLD38

P87/PWM0/

• FLD automatic display pins

FLD39

• 14-bit PWM output

P90/XCIN,

I/O port P9

• 2-bit CMOS I/O port with the same function as port P0.

• I/O pins for sub-clock generating

P91/XCOUT

• CMOS compatible input level.

circuit (connect a ceramic resona-

• CMOS 3-state output structure.

tor or a quarts-crystal oscillator)

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