MB90611A 查看數據表（PDF） - Fujitsu

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MB90611A

16-bit Proprietary Microcontroller

Fujitsu 

MB90610A Series

(Continued)

Pin no.

LQFP*1 QFP*2

71

73

Pin name

P51

RDY

72

74 P52

HAK

73

75 P53

HRQ

74

76 P54

WRH

75

77 RST

76

78 P55

WRL

77

79 RD

78

80 ALE

21, 82 23, 84 VCC

9, 40, 79 11, 42, VSS

81

*1: FPT-100P-M05

*2: FPT-100P-M06

Circuit

type

Function

L

General purpose I/O port

(TTL) This applies when the external ready function is disabled.

Ready input pin

This applies when the external ready function is enabled.

I

General purpose I/O port

(CMOS) This applies when the hold function is disabled.

Hold acknowledge output pin

This applies when the hold function is enabled.

L

General purpose I/O port

(TTL) This applies when the hold function is disabled.

Hold request input pin

This applies when the hold function is enabled.

I

General purpose I/O port

(CMOS) This applies in 8-bit external bus mode or when output is

disabled for the WR pin.

Write strobe output pin for the upper 8 bits of the data bus

This applies in 16-bit external bus mode and when output is

enabled for the WR pin.

G

External reset request input pin

(CMOS/H)

I

General purpose I/O port

(CMOS) This applies when output is disabled for the WR pin.

Write strobe output pin for the lower 8 bits of the data bus

This applies when output is enabled for the WR pin.

J

Read strobe output pin for the data bus

(CMOS)

J

ALE (address latch enabling) output pin

(CMOS)

Power Power supply for the digital circuits

supply

Power Ground level for the digital circuits

supply

10

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