CD-AT98 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

CD-AT98

State-of-the Art Evaluation Module for 8, 20 & 40-pin Microcontrollers

Unspecified 

Evalu8r User Manual V2.00

Device Support Continued

Atmel 40-pin 8051 microcontrollers

Device

Family

Microcontroller Number

RESET Configuration

Socket

Of Pins Polarity Link 3 Link 4

ISP

EA

HIGH

AT89C51

U2

AT89C52

U2

AT89C55

U2

AT89S8252

U2

AT89S53

U2

40

HIGH

1-2

1-2

NO CON 10

1-2

40

HIGH

1-2

1-2

NO CON 10

1-2

40

HIGH

1-2

1-2

NO CON 10

1-2

40

HIGH

1-2

1-2

YES CON 10

1-2

40

HIGH

1-2

1-2

YES CON 10

1-2

Figure 8

Active

HIGH RESET

Circuit

(Refer to page 12)

External

RESET

Signal

XT1

C1

C2

Vcc

C6

1

RESET

40

Vcc

AT89CXX

AT89SXXXX

40-Pin

Microcontroller

31

EA

P0

P1

18

XTAL1

P2

19

XTAL2

P3

GND

20

Figure 10

CON 10

1-2

(T2) P1.0 1

(T2 EX) P1.1 2

P1.2 3

P1.3 4

(SS) P1.4 5

(MOSI) P1.5 6

(MISO) P1.6 7

(SCK) P1.7 8

RST 9

(RXD) P3.0 10

(TXD) P3.1 11

(INT0) P3.2 12

(INT1) P3.3 13

(T0) P3.4 14

(T1) P3.5 15

(WR) P3.6 16

(RD) P3.7 17

XTAL2 18

XTAL1 19

GND 20

40 VCC

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/VPP

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)

Pinout for the AT89S8252

Figure 9

Port I/O

P0.X 8

P1.X 8

P2.X 8

P3.X 8

6

Function

I/O Box Header (Con 11)

LED x 8 + ISP (3)

I/O Box Header (Con 9)

Push Button + Serial Communications

Figure 11

Share Link: