B&B Electronics Parallel Printer Card PIOC Bedienungsanleitung PDF herunterladen (Seite 11)

GHI Electronics,LLC USBwiz User Manual

Pin-Out and Description

Pin Name Description

22 I2C_SCL The SCL line for I2C bus

23 VCC 3.3V power pin

24 RTCK/DBG# Leave unconnected

25 VSS Ground power pin

26 I2C_SDA The SDA line for I2C

27 MMC/SD_SCK Clock signal for MMC and SD memory cards

28 MODE0 Together with MODE1, selects the interface mode for

USBwiz

29 MMC/SD_MISO Data signal from MMC or SD memory cards. Pull-up

resistor is required on this pin.

30 MMC/SD_MOSI Data signal to MMC or SD memory cards

31 SD_WP SD write-protect detect

32 MODE1 Together with MODE0, selects the interface mode for

USBwiz

33 D0 Data line 0. Used for USB host chip.

34 D1 Data line 1. Used for USB host chip.

35 D2 Data line 2. Used for USB host chip.

36 D15 Data line 15. Used for USB host chip.

37 D3 Data line 3. Used for USB host chip.

38 D4 Data line 4. Used for USB host chip.

39 D5 Data line 5. Used for USB host chip.

40 D14 Data line 14. Used for USB host chip.

41 D6/BL# Data line 6. This line MUST be high at USBwiz power up

and reset. Make sure it has pull-up resistor.

42 VSS Ground

43 V3 VCC power

44 D13 Data line 13. Used for USB host chip.

45 D7 Data line 7. Used for USB host chip.

46 UH_IRQ IRQ. Used for USB host chip.

47 SPI_SCK Clock for SPI bus

48 D12 Data line 12. Used for USB host chip

49 VBAT Optional 3V battery to run the RTC

50 VSS Ground

51 V3 3.3V power pin

52 TMS Leave unconnected

53 SPI_MISO In SPI mode, this pin is data output from USBwiz on SPI

bus.

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B&B Electronics Parallel Printer Card PIOC Bedienungsanleitung Seite 11