83C750 Datasheet, PDF (3/16 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 1K/64 OTP ROM, low pin count

Philips Semiconductors
80C51 8-bit microcontroller family
1K/64 OTP/ROM, low pin count
BLOCK DIAGRAM
V_CC
V_SS
RAM ADDR
REGISTER
RAM
P0.0–P0.2
PORT 0
DRIVERS
PORT 0
LATCH
Product specification
83C750/87C750
EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
ALU
PSW
PCON
TCON
IE
TH0 TL0
RTH RTL
INTERRUPT AND
TIMER BLOCKS
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
X1
X2
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
SU00312
1998 May 01
3