STC micro STC8A8K64D4 Series - Page 29

STC8A8K64D4 Series Manual
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Pin number
name
type
description
LQFP64
LQFP48
LQFP44
PDIP40
44
32
29
31
P2.1
I/O
Standard IO port
A9
I
Address bus
PWM1
O
Enhanced PWM channel 1 output pin
45
33
30
32
P2.2
I/O
Standard IO port
A10
I
Address bus
PWM2
O
Enhanced PWM channel 2 output pin
SS_2
I
Slave selection of SPI (it is output with regard to
master)
ECI_2
I
External pulse input of PCA
46
34
31
33
P2.3
I/O
Standard IO port
A11
I
Address bus
PWM3
O
Enhanced PWM channel 3 output pin
MOSI_2
I/O
Master Output/Slave Input of SPI
CCP0_2
I/O
Capture input and pulse output of PCA0
47
35
32
34
P2.4
I/O
Standard IO port
A12
I
Address bus
PWM4
O
Enhanced PWM channel 4 output pin
MISO_2
I/O
Master Iutput/Slave Onput of SPI
SDA_2
I/O
Serial data line of I2C
CCP1_2
I/O
Capture input and pulse output of PCA1
48
36
33
35
P2.5
I/O
Standard IO port
A13
I
Address bus
PWM5
O
Enhanced PWM channel 5 output pin
SCLK_2
I/O
Serial Clock of SPI
SCL_2
I/O
Serial Clock line of I2C
CCP2_2
I/O
Capture input and pulse output of PCA2
49
37
34
36
P2.6
I/O
Standard IO port
A14
I
Address bus
PWM6
O
Enhanced PWM channel 6 output pin
CCP3_2
I/O
Capture input and pulse output of PCA3
50
38
35
37
P2.7
I/O
Standard IO port
A15
I
Address bus
PWM7
O
Enhanced PWM channel 7 output pin
51
39
36
38
P0.0
I/O
Standard IO port
AD0
I
Address bus
ADC8
I
ADC analog input 8
RxD3
I
Input of USART3