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STC12LE5616AD Datasheet(PDF) 17 Page - STCmicro Technology Co,.Ltd

Part # STC12LE5616AD
Description  Enhanced 8051 Central Processing Unit ,1T per machine cycle, faster 8~12 times than the rate of a standard 8051.
PDF  377 Pages
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Manufacturer  STC [STCmicro Technology Co,.Ltd]
Direct Link  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC12LE5616AD Datasheet(HTML) 17 Page - STCmicro Technology Co,.Ltd

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1.6.3 STC12C5620AD series MCU (32 pin) Typical Application Circuit for ISP
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Vcc
Gnd
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
Reset
U1-P1.0
U1-P1.1
MCU-VCC
U1-P3.0
U1-P3.1
GND
32
31
30
29
28
27
26
25
24
23
P3.2/INT0
P3.3/INT1
P3.4/T0/ECI
P3.5/T1/PCA1/PWM1
Gnd
VCC
ADC7/SCLK/P1.7
ADC6/MISO/P1.6
ADC5/MOSI/P1.5
ADC4/SS/P1.4
ADC3/P1.3
ADC2/P1.2
CLKOUT1/ADC1/P1.1
CLKOUT0/ADC0/P1.0
PWM0/PCA0/P3.7
Vcc
USB+5V T1OUT R1IN GND
USB1
USB +5V
SW1
Power On
0.1μF
10μF
10μF
Vcc
0.1μF
0.1μF
0.1μF
Vcc
+
Vcc
Gnd
PC_RxD(COM Pin2)
PC_TxD(COM Pin3)
2
3
5
22
21
20
19
18
17
P2.2
P2.3
P0.1
RST
P3.0/RxD
P3.1/TxD
XTAL2
XTAL1
P0.0
P2.4/PCA3/PWM3
P2.5
P2.1
PCA2/PWM2/P2.0
P0.3
P0.2
P2.7
P2.6
10μF
10K
C1
R1
+
SCL
SDA
A0
A1
A2
24C02
Vcc
10K
3.3K
4.7K
4.7K
10K
10K
10K
104
104
D/A
10K
10K
10K 10K 10K 10K
VCC
Vcc
3.3K
3.3K
3.3K
3.3K
0V
1/2 Vcc
2/3 Vcc
3/4 Vcc
1K
1K
STC3232,STC232,MAX232,SP232
PC/COM
<33pF
<33pF
1K
1K
1K
1K
1K
24C02(
I2C bus OC doors
open-drain circuits need
to add pull-up
resistors)
PWM as D/A output
I/O dirve NPN Transistor circuit
I/O dirve PNP Transistor circuit
93C46 (SPI bus OC doors open-drain circuits need to add pull-up resistors)
CS
SK
DA
DO
DC
ORG
more than 47pF
Using A/D to key scan
+
System
Gnd
The determinant key scanning circuit.
Adding current limiting resistor n both
sides of dererminant is suggested
System Power
Download user proced-
ure to STC MCU by
the software STC-ISP
programmer
Users are suggested hold this
interface on the system , which
can be convenient to download
the users program online.
17



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