P87LPC767BN NXP Semiconductors, P87LPC767BN Datasheet - Page 16
P87LPC767BN
Manufacturer Part Number
P87LPC767BN
Description
MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 3.3V/5V 20-Pin PDIP Tube
Manufacturer
NXP Semiconductors
Datasheet
1.P87LPC767BD512.pdf
(61 pages)
Specifications of P87LPC767BN
Package
20PDIP
Device Core
80C51
Family Name
87LP
Maximum Speed
20 MHz
Ram Size
128 Byte
Program Memory Size
4 KB
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
EPROM
Number Of Programmable I/os
18
Interface Type
I2C/UART
On-chip Adc
4-chx8-bit
Operating Temperature
0 to 70 °C
Number Of Timers
2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P87LPC767BN
Manufacturer:
ST
Quantity:
34 000
Company:
Part Number:
P87LPC767BNЈ¬112
Manufacturer:
NXP
Quantity:
3 425
Philips Semiconductors
2002 Mar 25
Low power, low price, low pin count (20 pin)
microcontroller with 4-kbyte OTP and 8-bit A/D converter
(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 5. Comparator Input and Output Connections
CP1
CN1
CP2
CN2
COn
COn
COn
COn
Figure 6. Comparator Configurations
COMPARATOR 1
COMPARATOR 2
+
+
–
–
13
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
P87LPC767
INTERRUPT
SU01153
CMPn
CMPn
CMPn
CMPn
SU01154
Product data