P87LPC762BD NXP Semiconductors, P87LPC762BD Datasheet - Page 9

• Manufacturer Part Number: P87LPC762BD
• Description: MCU 8-Bit 87LP 80C51 CISC 2KB EPROM 5V 20-Pin SO Tube
• Manufacturer: NXP Semiconductors

Specifications of P87LPC762BD

• Package: 20SO
• Device Core: 80C51
• Family Name: 87LP
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 18
• Interface Type: I2C/UART
• Number Of Timers: 2
• Ram Size: 128 Byte
• Program Memory Size: 2 KB
• Program Memory Type: EPROM
• Operating Temperature: 0 to 70 °C

Philips Semiconductors
SPECIAL FUNCTION REGISTERS
2001 Oct 26
ACC*
AUXR1#
B*
CMP1#
CMP2#
DIVM#
DPTR:
I2CFG#*
I2CON#*
I2DAT#
IEN0*
IEN1#*
IP0*
IP0H#
IP1*
DPH
DPL
Low power, low price, low pin count (20 pin)
microcontroller with 2 kbyte OTP
Name
Accumulator
Auxiliary Function
Register
B register
Comparator 1 control
register
Comparator 2 control
register
CPU clock divide-by-M
control
Data pointer (2 bytes)
Data pointer high byte
Data pointer low byte
I
I
I
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Interrupt priority 0 high
byte
Interrupt priority 1
2
2
2
C configuration register
C control register
C data register
Description
Address
C8h/WR
D8h/WR
D9h/WR
C8h/RD
D8h/RD
D9h/RD
SFR
ACh
ADh
E0h
A2h
F0h
A8h
E8h
B8h
B7h
F8h
95h
83h
82h
SLAVEN
SLAVEN
RDAT
RDAT
XDAT
KBF
CXA
ETI
PTI
CF
DF
AF
EA
EF
BF
E7
F7
FF
–
–
–
–
MSB
MASTRQ
MASTRQ
PWDH
EWD
PWD
BOD
IDLE
ATN
CE
DE
AE
EE
BE
E6
FE
F6
–
–
0
–
–
x
6
CLRTI
DRDY
PBOH
CDR
EBO
PBO
CE1
CE2
EC1
PC1
BOI
CD
DD
AD
ED
BD
FD
E5
F5
Bit Functions and Addresses
0
0
x
TIRUN
TIRUN
CARL
LPEP
PSH
CP1
CP2
ARL
CC
DC
AC
ES
EC
BC
PS
FC
E4
F4
0
–
–
x
SRST
CSTR
PT1H
CN1
CN2
STR
ET1
PT1
CB
DB
AB
EB
BB
E3
F3
FB
–
–
0
x
–
–
CSTP
PX1H
OE1
OE2
STP
EC2
PC2
EX1
PX1
CA
DA
AA
EA
BA
E2
F2
FA
0
–
–
0
x
MASTER
XSTR
PT0H
CO1
CO2
EKB
PKB
CT1
CT1
ET0
PT0
E1
C9
D9
A9
E9
B9
F1
F9
–
0
x
87LPC762
LSB
CMF1
CMF2
XSTP
PX0H
Preliminary data
DPS
CT0
CT0
EX0
PX0
EI2
PI2
E0
F0
C8
D8
A8
E8
B8
F8
–
0
x
Reset
Value
02h
00h
00h
00h
80h
00h
00h
00h
00h
00h
00h
00h
00h
00h
80h
00h
1
1
1
1
1
1
1
1
1