P87LPC760BDH NXP Semiconductors, P87LPC760BDH Datasheet - Page 25

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P87LPC760BDH

Manufacturer Part Number
P87LPC760BDH
Description
MCU 8-Bit 87LP 80C51 CISC 1KB EPROM 5V 14-Pin TSSOP Tube
Manufacturer
NXP Semiconductors
Datasheet

Specifications of P87LPC760BDH

Package
14TSSOP
Device Core
80C51
Family Name
87LP
Maximum Speed
20 MHz
Ram Size
128 Byte
Program Memory Size
1 KB
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Program Memory Type
EPROM
Number Of Programmable I/os
12
Interface Type
I2C/UART
Operating Temperature
0 to 70 °C
Number Of Timers
2
Philips Semiconductors
2002 Mar 07
Low power, low price, low pin count (14 pin)
microcontroller with 1 kbyte OTP
THE OSCILLATOR MUST BE CONFIGURED IN ONE OF
THE FOLLOWING MODES:
– LOW FREQUENCY CRYSTAL
– MEDIUM FREQUENCY CRYSTAL
– HIGH FREQUENCY CRYSTAL
CAPACITOR VALUES MAY BE OPTIMIZED FOR
DIFFERENT OSCILLATOR FREQUENCIES (SEE TEXT)
THE OSCILLATOR MUST BE CONFIGURED IN
THE EXTERNAL CLOCK INPUT MODE.
A CLOCK OUTPUT MAY BE OBTAINED ON
THE X2 PIN BY SETTING THE ENCLK BIT IN
THE P2M1 REGISTER.
A SERIES RESISTOR MAY BE REQUIRED IN ORDER TO
LIMIT CRYSTAL DRIVE LEVELS. THIS IS PARTICULARLY
IMPORTANT FOR LOW FREQUENCY CRYSTALS (SEE TEXT).
CMOS COMPATIBLE EXTERNAL
Figure 17. Using an External Clock Input
Figure 16. Using the Crystal Oscillator
OSCILLATOR SIGNAL
CERAMIC RESONATOR
QUARTZ CRYSTAL OR
22
X1
X2
87LPC760
*
SU01539
X1
X2
87LPC760
P87LPC760
SU01538
Preliminary data

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