P87LPC764BD NXP Semiconductors, P87LPC764BD Datasheet - Page 11
P87LPC764BD
Manufacturer Part Number
P87LPC764BD
Description
MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 5V 20-Pin SO Tube
Manufacturer
NXP Semiconductors
Datasheet
1.P87LPC764BD512.pdf
(60 pages)
Specifications of P87LPC764BD
Package
20SO
Device Core
80C51
Family Name
87LP
Maximum Speed
20 MHz
Ram Size
128 Byte
Program Memory Size
4 KB
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Program Memory Type
EPROM
Number Of Programmable I/os
18
Interface Type
I2C/UART
Operating Temperature
0 to 70 °C
Number Of Timers
2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
P87LPC764BD
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
P87LPC764BDH
Manufacturer:
NXP
Quantity:
2 500
Company:
Part Number:
P87LPC764BDH
Manufacturer:
MIC
Quantity:
2 500
Part Number:
P87LPC764BDH
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
P87LPC764BDH,512
Manufacturer:
NXP
Quantity:
747
Philips Semiconductors
2003 Sep 03
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
(P0.5) CMPREF
(P0.4) CIN1A
(P0.3) CIN1B
(P0.2) CIN2A
(P0.1) CIN2B
CMPREF
CMPREF
Vref (1.23V)
V
ref
CINnA
CINnA
CINnB
CINnB
(1.23V)
CPn, CNn, OEn = 0 0 0
CPn, CNn, OEn = 0 1 0
CPn, CNn, OEn = 1 0 0
CPn, CNn, OEn = 1 1 0
V
ref
+
+
+
+
–
–
–
–
Figure 3. Comparator Input and Output Connections
CP1
CN1
CP2
CN2
COn
COn
COn
COn
Figure 4. Comparator Configurations
COMPARATOR 1
COMPARATOR 2
+
+
–
–
10
CO1
CO2
CHANGE DETECT
CHANGE DETECT
CMPREF
CMPREF
V
V
ref
ref
CINnA
CINnA
CINnB
CINnB
OE1
OE2
(1.23V)
(1.23V)
CPn, CNn, OEn = 0 0 1
CPn, CNn, OEn = 0 1 1
CPn, CNn, OEn = 1 0 1
CPn, CNn, OEn = 1 1 1
CMF2
CMF1
+
+
+
+
–
–
–
–
COn
COn
COn
COn
CMP1 (P0.6)
CMP2 (P0.0)
INTERRUPT
P87LPC764
INTERRUPT
SU01153
CMPn
CMPn
CMPn
CMPn
SU01154
Product data