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EVALU8R Datasheet(PDF) 10 Page - List of Unclassifed Manufacturers |
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EVALU8R Datasheet(HTML) 10 Page - List of Unclassifed Manufacturers |
10 / 26 page ![]() Evalu8r User Manual V2.00 6 RESET Configuration Atmel 40-pin 8051 microcontrollers Device Microcontroller Number EA Family Socket Of Pins Polarity Link 3 Link 4 ISP HIGH AT89C51 U2 40 HIGH 1-2 1-2 NO CON 10 1-2 AT89C52 U2 40 HIGH 1-2 1-2 NO CON 10 1-2 AT89C55 U2 40 HIGH 1-2 1-2 NO CON 10 1-2 AT89S8252 U2 40 HIGH 1-2 1-2 YES CON 10 1-2 AT89S53 U2 40 HIGH 1-2 1-2 YES CON 10 1-2 Figure 8 Device Support Continued RESET XTAL1 XTAL2 GND EA C1 C2 XT1 P0 P3 Vcc P1 P2 CON 10 1-2 C6 Vcc 40 31 1 18 19 20 AT89CXX AT89SXXXX 40-Pin Microcontroller External RESET Signal 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 27 26 28 29 30 31 32 33 34 35 36 37 38 39 40 (T2) P1.0 (T2 EX) P1.1 (RXD) P3.0 RST (SCK) P1.7 (MISO) P1.6 (MOSI) P1.5 (SS) P1.4 P1.3 P1.2 (WR) P3.6 (T1) P3.5 (T0) P3.4 (INT1) P3.3 (INT0) P3.2 (TXD) P3.1 GND XTAL1 XTAL2 (RD) P3.7 VCC PSEN ALE/PROG EA/VPP P0.7 (AD7) P0.6 (AD6) P0.5 (AD5) P0.4 (AD4) P0.3(AD3) P0.2 (AD2) P0.1 (AD1) P0.0 (AD0) P2.4 (A12) P2.5 (A13) P2.6 (A14) P2.7 (A15) P2.0 (A8) P2.1 (A9) P2.2 (A10) P2.3 (A11) Pinout for the AT89S8252 Port I/O Function P0.X 8 I/O Box Header (Con 11) P1.X 8 LED x 8 + ISP (3) P2.X 8 I/O Box Header (Con 9) P3.X 8 Push Button + Serial Communications Active HIGH RESET Circuit (Refer to page 12) Figure 11 Figure 9 Figure 10 |
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