LQFP44
RxD2/PWM0_2/ADC0/P1.0 1
TxD2/PWM1_2/ADC1/P1.1 2
ADC_ETR/ECI/T2/SS/PWM2_2/ADC2/P1.2 3
T2CLKO/MOSI/PWM3_2/ADC3/P1.3 4
CCP3/I2CSDA/MISO/PWM4_2/ADC4/P1.4 5
TxD_4/RD/P4.4 6
CCP2/I2CSCL/SCLK/PWM5_2/ADC5/P1.5 7
XTALO/CCP1/MCLKO_2/PWM6_2/RxD_3/ADC6/P1.6 8
XTALI/CCP0/PWM7_2/TxD_3/ADC7/P1.7 9
ADC_AGnd 10
AVref 11
CCP3_2/PWM6/A14/P2.6 34
PWM7/A15/P2.7 35
RxD3/ADC8/AD0/P0.0 36
TxD3/ADC9/AD1/P0.1 37
RxD4/ADC10/AD2/P0.2 38
RxD_4/WR/P4.3 39
TxD4/ADC11/AD3/P0.3 40
T3/ADC12/AD4/P0.4 41
T3CLKO/ADC13/AD5/P0.5 42
T4/ADC14/AD6/P0.6 43
T4CLKO/AD7/P0.7 44
33 P2.5/A13/PWM5/SCLK_2/CCP2_2/I2CSCL_2
32 P2.4/A12/PWM4/MISO_2/CCP1_2/I2CSDA_2
31 P2.3/A11/PWM3/MOSI_2/CCP0_2
30 P2.2/A10/PWM2/SS_2/ECI_2
29 P2.1/A9/PWM1
28 P4.2/RD_3/TxD2_2
27 P2.0/A8/PWM0/RSTSV
26 P4.1/ALE/CMPO_2
25 P3.7/INT3/RD_2/TxD_2/CMP+
24 P3.6/INT2/WR_2/RxD_2/CMP-
23 P3.5/T1/T0CLKO/ECI_4/SS_4/PWMFLT
22 P3.4/T0/T1CLKO/MOSI_4/CMPO
21 P3.3/INT1/CCP0_4/MISO_4/I2CSDA_4
20 P3.2/INT0/CCP1_4/SCLK_4/I2CSCL_4
19 P3.1/TxD/CCP2_4
18 P3.0/RxD/CCP3_4/INT4
17 P4.0/WR_3/RxD2_2
16 Gnd
15 P5.5
14 Vcc
13 P5.4/NRST/MCLKO
12 ADC_AVcc
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.
0.1u22u
MCU-VCC
1
st
pin
1
st
pin
1
st
pin
STC
STC
STC
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
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