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ETC |
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mcu-memory
STC 89
1280
SRAM
8/16/32/64k
IAP
ISP
E2PROM
Data Flash
8051
STCIAP
8
+
P4.0 P4.3
MAX810
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UART
3
STC 89
STC 89C51 RC
STC 89C52 RC
STC 89C53 RC
STC 89C54 RD+
STC 89C55 RD+
STC 89C58 RD+
STC 89C516 RD+
STC 89LE51 RC
STC 89LE52 RC
STC 89LE53 RC
STC 89LE54 RD+
STC 89LE58 RD+
STC 89LE516RD+
STC 89LE516AD
A/D
I/O
A/D
EMI
4K 512
8K 512
15K 512
16K 1280
20K 1280
32K 1280
64K 1280
4K 512
8K 512
15K 512
16K 1280
32K 1280
64K 1280
64K 512
P I I E2P
4 S A ROM
PP
2K
2K
16K
16K
16K
2K
2K
16K
16K
P0
P1
P2
P3
P4
STC
0.1uF
0.1uF
STC3232,STC232,MAX232,SP232
1 C1+
10uF
Vcc 16
Vcc
2 V+
3 C1-
4 C2+
5 C2-
6 V-
7 T2OUT
8 R2IN
GND 15
T1OUT 14
R1IN 13
R1OUT 12
T1IN 11
T2IN 10
R2OUT 9
Gnd
PC_RxD (COM Pin2)
PC_TxD (COM Pin3)
MCU_RxD (P3.0)
MCU_TxD (P3.1)
P3.0 VCC
P3.1
XTAL2 89C52RC
89C58RD+
89LE52RC
XTAL1 89LE516RD+
GND RESET
Vcc
Vcc
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