Pinouts - STC micro STC8A8K64D4 Series Reference Manual

STC8A8K64D4 Series Manual

2.1.2 Pinouts

CCP3_2/PWM6/A14/P2.6
RxD3/ADC8/AD0/P0.0
TxD3/ADC9/AD1/P0.1
RxD4/ADC10/AD2/P0.2
I2CSDA_3/MISO_3/P7.6
I2CSCL_3/SCLK_3/P7.7
TxD4/ADC11/AD3/P0.3
T3/ADC12/AD4/P0.4
T3CLKO/ADC13/AD5/P0.5
T4/ADC14/AD6/P0.6
RxD2/PWM0_2/ADC0/P1.0
Looking at the chip silk screen, the small dot at the
bottom left is the first Pin.
Looking at the chip silkscreen, the last letter
of the bottom line is the chip version number
49
PWM7/A15/P2.7 50
51
52
53
ECI_3/SS_3/P7.4
54
MOSI_3/P7.5
55
56
57
RxD_4/WR/P4.3
58
59
60
61
62
T4CLKO/AD7/P0.7 63
64
Note:
If USB download is not required,
P3.0/P3.1/P3.2 cannot be low at the
same time when the chip is reset,
otherwise, the chip will always be
in USB download mode without
running user code.
32
31
30
29
28
27
26
LQFP64
25
24
QFN64
23
22
21
20
19
18
17
-
P3.5/T1/T0CLKO/ECI_4/SS_4/PWMFLT
P3.4/T0/T1CLKO/MOSI_4/CMPO
P3.3/INT1/CCP0_4/MISO_4/I2CSDA_4
P3.2/INT0/CCP1_4/SCLK_4/I2CSCL_4
P3.1/TxD/CCP2_4
P3.0/RxD/CCP3_4/INT4
P6.7/PWM7_3
P6.6/PWM6_3
P6.5/PWM5_3
P6.4/PWM4_3
P4.0/WR_3/RxD2_2
Gnd
MCU-VCC
P5.5
Vcc
P5.4/NRST/MCLKO
22u 0.1u
ADC_AVcc
STC
1 st pin
STC
st
1 pin
STC
1 st pin
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