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PDF P87LPC764 Data sheet ( Hoja de datos )
| Número de pieza | P87LPC764 | |
| Descripción | microcontroller | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
P87LPC764
Low power, low price, low pin count
(20 pin) microcontroller with 4 kbyte OTP
Product data
Supersedes data of 2001 Oct 26
2003 Sep 03
Philips
Semiconductors
1 page  
Philips Semiconductors
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
BLOCK DIAGRAM
Product data
P87LPC764
ACCELERATED
80C51 CPU
CRYSTAL OR
RESONATOR
4K BYTE
CODE EPROM
INTERNAL BUS
128 BYTE
DATA RAM
PORT 2
CONFIGURABLE I/OS
PORT 1
CONFIGURABLE I/OS
PORT 0
CONFIGURABLE I/OS
KEYPAD
INTERRUPT
CONFIGURABLE
OSCILLATOR
ON-CHIP
RC
OSCILLATOR
UART
I2C
TIMER 0, 1
WATCHDOG TIMER
AND OSCILLATOR
ANALOG
COMPARATORS
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
SU01151
2003 Sep 03
4
5 Page 
Philips Semiconductors
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
Product data
P87LPC764
(P0.4) CIN1A
(P0.3) CIN1B
(P0.5) CMPREF
Vref
CP1
COMPARATOR 1
+
CO1
–
OE1
CMP1 (P0.6)
CN1
CHANGE DETECT
CMF1
INTERRUPT
(P0.2) CIN2A
(P0.1) CIN2B
CP2
COMPARATOR 2
+
CO2
–
OE2
CMP2 (P0.0)
CN2
CHANGE DETECT
CMF2
Figure 3. Comparator Input and Output Connections
INTERRUPT
SU01153
CPn, CNn, OEn = 0 0 0
CINnA
CMPREF
+
–
COn
CPn, CNn, OEn = 0 0 1
CINnA
CMPREF
+
COn
–
CMPn
CPn, CNn, OEn = 0 1 0
CINnA
Vref (1.23V)
+
–
COn
CPn, CNn, OEn = 0 1 1
CINnA
Vref (1.23V)
+
COn
–
CMPn
CPn, CNn, OEn = 1 0 0
CINnB
CMPREF
+
–
CPn, CNn, OEn = 1 1 0
CINnB
Vref (1.23V)
+
–
COn
COn
CPn, CNn, OEn = 1 0 1
CINnB
CMPREF
+
COn
–
CPn, CNn, OEn = 1 1 1
CINnB
Vref (1.23V)
+
COn
–
CMPn
CMPn
Figure 4. Comparator Configurations
SU01154
2003 Sep 03
10
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet P87LPC764.PDF ] | |
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