BL22P64 datasheet(11/15 Pages) BELLING

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L22P64

22P64

22P64 SPEC

SPEC

SPECIFICATION

IFICATION

上海贝岭

上海贝岭股份

股份

股份有限公司

有限公司

Shanghai Belling Co., Ltd.

0: P12 as normal I/O pin

1: P12 as external reset input pin

.2 LVREO

0: LVR disable

1: LVR enable

.0-.1 OSC/RC

00: Crystal/ceramic oscillator (400K-4MHz) as system clock

01: External RC oscillator as system clock

10: Internal RC oscillator(0.5MHz) as system clock

11: Internal RC oscillator(3.2MHz) as system clock

6．

．

．ELECTRICAL DATA

6.1 Absolute Maximum Ratings

(TA=25℃)

Parameter

Symbol

Condition

Rating

Unit

Supply voltage

VDD

-0.3 to +6.5

Input voltage

All ports

-0.3 to VDD+0.5

Output voltage

All ouput ports

-0.3 to VDD+0.5

Output current high

IOH

One I/O pin active

-25

All I/O pin active

-80

Output current low

IOL

One I/O pin active

+30

All I/O pin active

+150

Operating temperature

-40 to +85

℃

Storage temperature

TSTG

-65 to +150

℃

6.2 DC Electrical Characteristics

(TA=25℃ VDD=2.7-5.5V)

Parameter

Sym.

Condition

Min

Typ

Max

Unit

Input high

voltage

VIH

P0,P1,P2

VDD=2.7-5.5V

0.8VDD

VDD

Input low

voltage

VIL

P0,P1,P2

VDD=2.7-5.5V

0.2VDD

Output high

voltage

VOH

IOH=-10mA

P0,P1,P2

VDD=4.5-5.5V

VDD-1.5

VDD-0.4

Output low

voltage

VOL

IOL=25mA

P0,P1,P2

VDD=4.5-5.5V

0.5

2.0

Input high

leakage

current

IIH

All input

VIN=VDD

Input low

leakage

current

IIL

All input

VIN=0

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