MB90387 datasheet(8/82 Pages) CYPRESS

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Document Number: 002-07765 Rev. *A

Page 7 of 81

MB90387/387S/F387/F387S

MB90V495G

5. Pin Description

Pin No.

Pin Name

Circuit

Type

Function

1AVcc



Vcc power input pin for A/D converter.

2AVR



Power (Vref+) input pin for A/D converter. Use as input for Vcc or lower.

3 to 10

P50 to P57

General-purpose input/output ports.

AN0 to AN7

Functions as analog input pins for A/D converter. Valid when analog input setting is

“enabled.”

P37

General-purpose input/output port.

ADTG

Function as an external trigger input pin for A/D converter. Use the pin by setting as

input port.

P20

General-purpose input/output port.

TIN0

Function as an event input pin for reload timer 0. Use the pin by setting as input port.

P21

General-purpose input/output port.

TOT0

Function as an event output pin for reload timer 0. Valid only when output setting is

“enabled.”

P22

General-purpose input/output port.

TIN1

Function as an event input pin for reload timer 1. Use the pin by setting as input port.

P23

General-purpose input/output port.

TOT1

Function as an event output pin for reload timer 1. Valid only when output setting is

“enabled.”

16 to 19

P24 to P27

General-purpose input/output ports.

INT4 to INT7

Functions as external interrupt input pins. Use the pins by setting as input port.

MD2

Input pin for specifying operation mode. Connect directly to Vss.

MD1

Input pin for specifying operation mode. Connect directly to Vcc.

MD0

Input pin for specifying operation mode. Connect directly to Vcc.

RST

External reset input pin.

Vcc



Power source (5 V) input pin.

Vss



Power source (0 V) input pin.



Capacitor pin for stabilizing power source. Connect a ceramic capacitor of approx-

imately 0.1

F.

Pin for high-rate oscillation.

29 to 32

P10 to P13

General-purpose input/output ports.

IN0 to IN3

Functions as trigger input pins of input capture ch.0 to ch.3. Use the pins by setting

as input ports.

33 to 36

P14 to P17

General-purpose input/output ports. High-current output ports.

PPG0 to PPG3

Functions as output pins of PPG timers 01 and 23. Valid when output setting is

“enabled.”

P40

General-purpose input/output port.

SIN1

Serial data input pin for UART. Use the pin by setting as input port.

P41

General-purpose input/output port.

SCK1

Serial clock input pin for UART. Valid only when serial clock input/output setting on

UART is “enabled.”

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