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P89V51RB2BBC Datasheet(PDF) 3 Page - NXP Semiconductors |
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P89V51RB2BBC Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 80 page  P89V51RB2_RC2_RD2_5 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 05 — 12 November 2009 3 of 80 NXP Semiconductors P89V51RB2/RC2/RD2 8-bit microcontrollers with 80C51 core 4. Block diagram Fig 1. Block diagram HIGH PERFORMANCE 80C51 CPU 16/32/64 kB CODE FLASH 1 kB DATA RAM OSCILLATOR internal bus CRYSTAL OR RESONATOR 002aac772 UART PORT 2 SPI TIMER 2 TIMER 0 TIMER 1 PCA PROGRAMMABLE COUNTER ARRAY WATCHDOG TIMER XTAL1 XTAL2 PORT 3 P3[7:0] P2[7:0] PORT 1 P1[7:0] PORT 0 P0[7:0] CEX[4:0] TXD RXD T0 T1 T2 T2EX SPICLK MOSI MISO SS P89V51RB2/RC2/RD2 |
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