MB90351ASPMC1 datasheet(17/83 Pages) CYPRESS

17 / 83 page

Document Number: 002-07872 Rev. *A

Page 17 of 83

MB90350 Series

* : FPT-64P-M23, FPT-64P-M24

Pin No.

Pin name

Circuit

type

Function

LQFP64*

P34

General purpose I/O port. The register can be set to select whether to use a pull-up

resistor. This function is enabled either in single-chip mode or with the hold function

disabled.

HRQ

Hold request input pin. This function is enabled when both the external bus and the hold

function are enabled.

OUT4

Waveform output pin for output compare OCU4

P35

General purpose I/O port. The register can be set to select whether to use a pull-up

resistor. This function is enabled either in single-chip mode or with the hold function

disabled.

HAK

Hold acknowledge output pin. This function is enabled when both the

external bus and the hold function are enabled.

OUT5

Waveform output pin for output compare OCU5

P36

General purpose I/O port. The register can be set to select whether to use a pull-up

resistor. This function is enabled either in single-chip mode or with the external ready

function disabled.

RDY

Ready input pin. This function is enabled when both the external bus and the external

ready function are enabled.

OUT6

Waveform output pin for output compare OCU6

P37

General purpose I/O port. The register can be set to select whether to use a pull-up

resistor. This function is enabled either in single-chip mode or with the CLK output

disabled.

CLK

CLK output pin. This function is enabled when both the external bus and CLK output are

enabled.

OUT7

Waveform output pin for output compare OCU7

62, 63

P60, P61

General purpose I/O ports

AN0, AN1

Analog input pins for A/D converter

AVCC

KVCC power input pin for analog circuits

2AVRH

Reference voltage input for the A/D converter. This power supply must be turned on or

off while a voltage higher than or equal to AVRH is applied to AVCC.

1AVSS

KVSS power input pin for analog circuits

22, 23

MD1, MD0

Input pins for specifying the operating mode

MD2

Input pin for specifying the operating mode

VCC

—

Power (3.5 V to 5.5 V) input pin

18, 48

VSS

—

Power (0 V) input pins

This is the power supply stabilization capacitor pin. It should be connected to a higher

than or equal to 0.1 μF ceramic capacitor.

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