上海贝岭股½有限公司
上海贝岭股½有限公司
股½
Shanghai Belling Co., Ltd.
SPECIFICATION
BL22P64 SPECIFICATION
4． PIN DESCRIPTIONS
．
Pin name
GND
P10
P11
P12
P20
P21
P22
P23
P24
P25
P26
P00
P01
P02
P03
P04
P05
P06
P07
VDD
In/Out
-
I/O
I/O
IN
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
Voltage input
Bit-programmable I/O port for Schmitt trigger input or
push-pull output. Pull-up resistors are assignable by
software.
Bit-programmable I/O port for Schmitt trigger input or
push-pull, open-drain output. Pull-up resistors are
assignable by software.
ground
Bit-programmable I/O port for Schmitt trigger input or
push-pull, open-drain output. Pull-up resistors or
pull-down resistors are assignable by software.
Schmitt trigger input port
Pin Description
Share
Description
-
XIN
XOUT
RESET/VPP
T0
-
-
-
-
-
ADC8/CLO
ADC0/INT0
ADC1/INT1
ADC2
ADC3
ADC4
ADC5
ADC6/PWM
ADC7
-
5． FUNCTION DESCRIPTIONS
．
5.1 BLOCK DIAGRAM
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