P89V51RB2FN NXP Semiconductors, P89V51RB2FN Datasheet - Page 3

• Manufacturer Part Number: P89V51RB2FN
• Description: IC, MCU 8BIT 80C51 16K FLASH, DIP40
• Manufacturer: NXP Semiconductors

Specifications of P89V51RB2FN

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 32
• Program Memory Size: 16KB
• Ram Memory Size: 1KB
• Cpu Speed: 33MHz
• Oscillator Type: External Only
• No. Of Timers: 4
• No. Of Pwm: RoHS Compliant

NXP Semiconductors
4. Block diagram
P89V51RB2_RC2_RD2_5
Product data sheet
Fig 1. Block diagram
RESONATOR
CRYSTAL
OR
P3[7:0]
P2[7:0]
P1[7:0]
P0[7:0]
XTAL1
XTAL2
P89V51RB2/RC2/RD2
CODE FLASH
OSCILLATOR
16/32/64 kB
DATA RAM
PORT 3
PORT 2
PORT 1
PORT 0
1 kB
Rev. 05 — 12 November 2009
internal
HIGH PERFORMANCE
bus
80C51 CPU
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
WATCHDOG TIMER
PROGRAMMABLE
COUNTER ARRAY
TIMER 0
TIMER 1
TIMER 2
UART
PCA
SPI
002aac772
© NXP B.V. 2009. All rights reserved.
TXD
RXD
T0
T1
T2
T2EX
SPICLK
MOSI
MISO
SS
CEX[4:0]
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