P87C51RB2BBD NXP Semiconductors, P87C51RB2BBD Datasheet - Page 4

• Manufacturer Part Number: P87C51RB2BBD
• Description: MCU 8-Bit 87C 80C51 CISC 16KB EPROM 3.3V/5V 44-Pin LQFP Tray
• Manufacturer: NXP Semiconductors

Specifications of P87C51RB2BBD

• Package: 44LQFP
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 33 MHz
• Ram Size: 512 Byte
• Program Memory Size: 16 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 32
• Interface Type: UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3

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
Product data