CXP5076 查看數據表（PDF） - Sony Semiconductor

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CXP5076

CMOS 4-bit Single Chip Microcomputer

Sony Semiconductor 

CXP5076/5078

Symbol

Name

I/O

Equivalent Circuit

Description

WP

Wake-up

input

I

Schmitt inverter input

It is the input pin to release the

standby mode, and release by "1".

TEX

TX

VREF

32kHz T/C

clock input

I

TEX

32kHz T/C

clock output

Reference

voltage input

O

TX

I

Mask option

P

N

NP

Input pin for 32kHz timer clock

generation circuit. Connect the

32.768kHz crystal oscillator between

TEX and TX. When using as the

event clock input, connect the clock

oscillation source to the TEX pin,

open the TX pin.

Output of clock generation circuit

Reference voltage input for power

supply voltage resetting circuit.

Connect the zener diode normally.

For all output ports, the output states of ports during standby possible to be programmed to the state holding

before standby or the change to the high impedance.

When the pull-up resistor output is selected, it becomes a pulled-up state even it is input port.

During standby, it is impossible to change to the high impedance of PY0 and PY1 in the inverter output state. To

change to the high impedance, select the pull-up resistor output, and then set to the high level output ("1" state).

–7–

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