Rainbow-electronics AT77SM0101BCB02VKE Manual do Utilizador descarregar pdf (Página 5)

AT77SM0101BCB02VKE

5391A–BIOM–09/04

The pins are used to connect the following interfaces:

• USB device: pins 10 and 12 of J2 connector

• USB host: pins 14 and 16 of J2 connector

• TWI: pins 40 and 42 of J1 connector

• JTAG: pins 32, 34, 36, 38, 40, 42 and 44 of J2 connector

• SPI: pins 21, 23, 25, 27, 29 and 31 of J1 connector

• Two serial links: RS-232, RS-485, IrDA and/or Smart Card

• Ethernet or MMC/SD card

Table 2. J2 Pin Description

Pin Description Pin Description

1GND23V3

3 PB22 4 PC9

5 PB19 6 PC8

7 PB18 8 PC7

9 PB17 10 DDP

11 PB16 12 DDM

13 PB15 14 HDPA

15 PB14 16 HDMA

17 PB13 18 PB29/IRQ0

19 PB12 20 PB28/FIQ

21 PB11 22 PB27

23 PB10 24 PB26

25 PB9 26 PB25

27 PB8 28 PB24

29 PB7 30 PB23

31 PB6 32 NRST

33 PB5 34 NTRST

35 PB4 36 TMS

37 PB3 38 TCK

39 PB2 40 TDO

41 PB1 42 TDI

43 PB0 44 JTAGSEL

45 PA31 46 PB21

47 PA30 48 PB20

49 3V3 50 GND

1 2 3 4 5 6 7 8 9 10 ... 14 15

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