P87C51RB2 PHILIPS [NXP Semiconductors], P87C51RB2 Datasheet - Page 4
P87C51RB2
Manufacturer Part Number
P87C51RB2
Description
80C51 8-bit microcontroller family
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.P87C51RB2.pdf
(67 pages)
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Philips Semiconductors
BLOCK DIAGRAM 1
2003 Jan 24
80C51 8-bit microcontroller family
with 512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high
speed (30/33 MHz)
CRYSTAL OR
RESONATOR
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
CONFIGURABLE I/Os
512 / 1024 BYTE
8K / 16K / 32K /
OSCILLATOR
CODE OTP
DATA RAM
64 KBYTE
PORT 3
PORT 2
PORT 1
PORT 0
8KB/16KB/32KB/64KB OTP
(12-CLK MODE, 6-CLK MODE)
ACCELERATED 80C51 CPU
4
WATCHDOG TIMER
ENHANCED UART
PROGRAMMABLE
COUNTER ARRAY
P87C51RA2/RB2/RC2/RD2
FULL-DUPLEX
TIMER 0
TIMER 1
TIMER 2
(PCA)
su01657
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