MB90F523B(2008) 查看數據表（PDF） - Fujitsu

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MB90F523B
(Rev.:2008)

16-bit Microcontroller

Fujitsu 

MB90520B Series

(Continued)

Pin No.

LQFP-120*1

QFP-120*2

Pin Name

Circuit

Type

Function

Capacitor connection pin for stabilizing power supply

34

C

G Connect an external ceramic capacitor of approximately 0.1 µF. If operat-

ing at 3.3 V or lower, connect to VCC.

82 to 85

V0 to V3

N Power supply input pins for the LCD controller/driver

8, 54, 94

VCC

Power

supply

Power supply input pins for the digital circuit

33, 63, 91, 119 VSS

Power

supply

GND level power supply input pins for the digital circuit

Power supply input for the analog circuit

42

AVCC

H Ensure that a voltage greater than AVCC is applied to VCC before turning

the analog power supply on or off.

“H” reference voltage for the A/D converter

43

AVRH

J Ensure that a voltage greater than AVRH is applied to AVCC before turning

the power supply to this pin on or off.

44

AVRL

H “L” reference voltage for the A/D converter

45

AVSS

H GND level power supply input pin for the analog circuit

38

DVCC

H

“H” reference voltage for the D/A converter

Ensure that this voltage does not exceed VCC.

39

DVSS

H

“L” reference voltage for the D/A converter

Apply the same voltage level as VSS.

*1 : FPT-120P-M24

*2 : FPT-120P-M13

DS07-13707-5E

13

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