87C52EFAA 查看數據表（PDF） - Philips Electronics
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87C52EFAA Datasheet PDF : 62 Pages
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Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
80C32/87C52
BLOCK DIAGRAM
VCC
VSS
RAM ADDR
REGISTER
RAM
P0.0–P0.7
PORT 0
DRIVERS
PORT 0
LATCH
P2.0–P2.7
PORT 2
DRIVERS
PORT 2
LATCH
ROM/
EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
ALU
PSW
PCON SCON TMOD TCON
T2CON TH0 TL0 TH1
TL1 TH2 TL2 RCAP2H
RCAP2L SBUF IE
IP
INTERRUPT, SERIAL
PORT AND TIMER BLOCKS
PSEN
ALE
EA
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0–P1.7
PORT 3
LATCH
PORT 3
DRIVERS
P3.0–P3.7
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCRE-
MENTER
PROGRAM
COUNTER
DPTR
SU00064
1996 Aug 16
5
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