P87LPC764BD NXP Semiconductors, P87LPC764BD Datasheet - Page 5

• Manufacturer Part Number: P87LPC764BD
• Description: MCU 8-Bit 87LP 80C51 CISC 4KB EPROM 5V 20-Pin SO Tube
• Manufacturer: NXP Semiconductors

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

Philips Semiconductors
BLOCK DIAGRAM
2003 Sep 03
Low power, low price, low pin count (20 pin)
microcontroller with 4 kbyte OTP
CRYSTAL OR
RESONATOR
CONFIGURABLE I/OS
CONFIGURABLE I/OS
CONFIGURABLE I/OS
CONFIGURABLE
CODE EPROM
OSCILLATOR
INTERRUPT
DATA RAM
128 BYTE
4K BYTE
KEYPAD
PORT 2
PORT 1
PORT 0
INTERNAL BUS
OSCILLATOR
ON-CHIP
RC
ACCELERATED
80C51 CPU
4
BROWNOUT RESET)
(POWER-ON RESET,
WATCHDOG TIMER
POWER MONITOR
AND OSCILLATOR
COMPARATORS
TIMER 0, 1
ANALOG
UART
I
2
C
SU01151
P87LPC764
Product data