参数资料
型号: 89C52
厂商: Integrated Silicon Solution, Inc.
英文描述: CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH
中文描述: CMOS单芯片的8位单片机,带有8的快闪记忆体
文件页数: 4/50页
文件大小: 425K
代理商: 89C52
IS89C52
4
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC013-1C
11/21/98
ISSI
Figure 4. IS89C52 Block Diagram
PCON
T2CON
TL1
RCAP2L
SCON
TH0
TH2
SBUF
TMOD
TL0
TL2
IE
TCON
TH1
RCAP2H
IP
INTERRUPT BLOCK
SERIAL PORT BLOCK
TIMER BLOCK
P3
DRIVERS
P3
LATCH
PSW
TIMING
AND
CONTROL
OSCILLATOR
XTAL2
XTAL1
I
R
P3.0-P3.7
P1
DRIVERS
P1
LATCH
DPTR
BUFFER
PC
INCREMENTER
PROGRAM
COUNTER
PROGRAM
ADDRESS
REGISTER
P1.0-P1.7
P2.0-P2.7
P0.0-P0.7
PSEN
ALE/PROG
RST
EA/VPP
TMP2
ALU
ACC
STACK
POINT
B
REGISTER
Vcc
GND
RAM ADDR
REGISTER
P2
LATCH
P0
LATCH
P2
DRIVERS
P0
DRIVERS
ADDRESS
DECODER
& 256
BYTES RAM
ADDRESS
DECODER
&
8K FLASH
3 LOCK BITS
&
32 BYTES
ENCRYPTION
TMP1
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