P89V51RB2FA View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

P89V51RB2FA

8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM

NXP Semiconductors. 

NXP Semiconductors

P89V51RB2/RC2/RD2

8-bit microcontrollers with 80C51 core

P1.0/T2 1

P1.1/T2EX 2

P1.2/ECI 3

P1.3/CEX0 4

P1.4/SS/CEX1 5

P1.5/MOSI/CEX2 6

P1.6/MISO/CEX3 7

P1.7/SPICLK/CEX4 8

RST 9

P3.0/RXD 10

P3.1/TXD 11

P3.2/INT0 12

P3.3/INT1 13

P3.4/T0 14

P3.5/T1 15

P3.6/WR 16

P3.7/RD 17

XTAL2 18

XTAL1 19

VSS 20

P89V51RB2FN

P89V51RC2FN

P89V51RD2BN

P89V51RD2FN

40 VDD

39 P0.0/AD0

38 P0.1/AD1

37 P0.2/AD2

36 P0.3/AD3

35 P0.4/AD4

34 P0.5/AD5

33 P0.6/AD6

32 P0.7/AD7

31 EA

30 ALE/PROG

29 PSEN

28 P2.7/A15

27 P2.6/A14

26 P2.5/A13

25 P2.4/A12

24 P2.3/A11

23 P2.2/A10

22 P2.1/A9

21 P2.0/A8

002aaa811

Fig 3. DIP40 pin configuration

P1.5/MOSI/CEX2 1

P1.6/MISO/CEX3 2

P1.7/SPICLK/CEX4 3

RST 4

P3.0/RXD 5

n.c. 6

P3.1/TXD 7

P3.2/INT0 8

P3.3/INT1 9

P3.4/T0 10

P3.5/T1 11

P89V51RB2BBC

P89V51RC2FBC

P89V51RD2FBC

33 P0.4/AD4

32 P0.5/AD5

31 P0.6/AD6

30 P0.7/AD7

29 EA

28 n.c.

27 ALE/PROG

26 PSEN

25 P2.7/A15

24 P2.6/A14

23 P2.5/A13

002aaa812

Fig 4. TQFP44 pin configuration

P89V51RB2_RC2_RD2_5

Product data sheet

Rev. 05 — 12 November 2009

© NXP B.V. 2009. All rights reserved.

5 of 80

Share Link: