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STC12LE5616AD Datasheet(PDF) 12 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) 12 Page - STCmicro Technology Co,.Ltd

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1.5 STC12C5620AD series Minimum Application System
When the frequency of crystal oscillator is lower than 20MHz,
it is suggested not to use C1 and R1 replaced by 1K
resistor connect to ground.
But R/C reset circuit is also suggest to reserve.
About crystals circuit:
If using internal R/C oscillator clock (4MHz ~ 8MHz, manufacturing error), XTAL1 and XTAL2 pin should
be floated.
If External clock frequency is higher than 33MHz, it is recommended to directly use external active crystals
which clock are input from XTAL1 pin and XTAL2 pin must be floated.
System power/5V/3V
Vin
SW1
Power On
10μF
0.1μF
C6
C5
C2<33pF
C3<33pF
X1
10μF
10K
C1
R1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
28
27
26
25
24
23
22
21
20
19
P3.2/INT0
P3.3/INT1
P3.4/T0/ECI
P3.5/T1/PCA1/PWM1
Gnd
VCC
ADC7/SCLK/P1.7
ADC6/MIOS/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
18
17
16
15
P2.2
P2.3
RST
P3.0/RxD
P3.1/TxD
XTAL2
XTAL1
P2.4/PCA3/PWM3
P2.5
P2.1
PWM2/PCA2/P2.0
P2.7
P2.6
+
+
12



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