P87LPC761BN NXP Semiconductors, P87LPC761BN Datasheet - Page 9

• Manufacturer Part Number: P87LPC761BN
• Description: IC, MCU 8BIT 80C51 2K OTP, DIP16
• Manufacturer: NXP Semiconductors

Specifications of P87LPC761BN

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 14
• Program Memory Size: 2KB
• Ram Memory Size: 128Byte
• Cpu Speed: 20MHz
• Oscillator Type: External, Internal
• No. Of Timers: 2
• Digital: RoHS Compliant
• Package: 16PDIP
• Device Core: 80C51
• Family Name: 87LP
• Maximum Speed: 20 MHz
• Ram Size: 128 Byte
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 14
• Interface Type: I2C/UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 2

Philips Semiconductors
SPECIAL FUNCTION REGISTERS
2002 Mar 07
ACC*
AUXR1#
B*
CMP1#
CMP2#
DIVM#
DPTR:
I2CFG#*
I2CON#*
I2DAT#
IEN0*
IEN1#*
IP0*
IP0H#
IP1*
IP1H#
DPH
DPL
Low power, low price, low pin count (16 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
Interrupt priority 1 high
byte
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
F7h
95h
83h
82h
SLAVEN
SLAVEN
RDAT
RDAT
XDAT
PTIH
KBF
CXA
ETI
PTI
EA
CF
DF
AF
EF
BF
E7
F7
FF
–
–
–
–
MSB
MASTRQ
MASTRQ
PWDH
EWD
PWD
BOD
IDLE
ATN
CE
DE
E6
F6
AE
EE
BE
FE
–
–
0
–
–
–
x
6
CLRTI
DRDY
PBOH
PC1H
CDR
EBO
PBO
CE1
CE2
EC1
PC1
BOI
CD
DD
E5
AD
ED
BD
FD
Bit Functions and Addresses
F5
0
0
x
TIRUN
TIRUN
CARL
LPEP
PSH
CP1
CP2
ARL
ES
PS
CC
DC
AC
EC
BC
FC
E4
F4
0
–
–
–
x
SRST
CSTR
PT1H
CN1
CN2
STR
ET1
PT1
CB
DB
AB
EB
BB
E3
F3
FB
–
–
0
x
–
–
–
CSTP
PC2H
OE1
OE2
STP
EC2
PC2
CA
DA
AA
EA
BA
E2
F2
FA
0
–
–
0
x
–
–
–
MASTER
XSTR
PKBH
PT0H
CO1
CO2
EKB
PKB
CT1
CT1
ET0
PT0
E1
F1
C9
D9
A9
E9
B9
F9
–
0
x
P87LPC761
LSB
CMF1
CMF2
XSTP
PX0H
Preliminary data
PI2H
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
00h
80h
00h
1
1
1
1
1
1
1
1
1
1