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Digilent Cerebot MX7cK REV B, Справочное руководство

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Cerebot MX7cK Reference Manual 

 

 

                                          

 

 

www.digilentinc.com 

 

page 27 of 34

 

 

Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.

 

49 

JF-03 

43 

RF04 

SDA3A/SDI3A/U3ARX/PMA9/CN17/RF4 

 

50 

JF-02 

42 

RF05 

SCL3A/SDO3A/U3ATX/PMA8/CN18/RF5 

 

51 

N/A 

N/A 

RF03 

USBID/RF3 

USBID (USB-4) 

52 

JE-03 

35 

RF02 

SDA1A/SDI1A/U1ARX/RF2 

 

53 

JE-02 

34 

RF08 

SCL1A/SDO1A/U1ATX/RF8 

 

56 

N/A 

N/A 

RG03 

D-/RG3 

D- (USB-2) 

57 

N/A 

N/A 

RG02 

D+/RG2 

D+ (USB-3) 

58 

J7-1,J7-2 

55 

RA02 

SCL2/RA2 

I2C2 

59 

J7-3,J7-4 

56 

RA03 

SDA2/RA3 

I2C2 

60 

JF-09 

47 

RA04 

TDI/RA4 

 

61 

JF-10 

48 

RA05 

TDO/RA5 

 

63 

N/A 

N/A 

RC12 

OSC1/CLKI/RC12 

Primary Oscillator  

64 

N/A 

N/A 

RC15 

OSC2/CLKO/RC15 

Primary Oscillator  

66 

J8-1,J8-2 

57 

RA14 

AETXCLK/SCL1/INT3/RA14 

I2C1 

67 

J8-3.J8-4 

58 

RA15 

AETXEN/SDA1/INT4/RA15 

I2C1 

68 

N/A 

N/A 

RD08 

RTCC/EMDIO/AEMDIO/IC1/RD8 

Ethernet PHY 

69 

JD-01 

25 

RD09 

SS1/IC2/RD9 

 

70 

JD-04 

28 

RD10 

SCK1/IC3/PMCS2/PMA15/RD10 

 

71 

N/A 

N/A 

RD11 

EMDC/AEMDC/IC4/PMCS1/PMA14/RD11 

Ethernet PHY 

72 

JD-02 

26 

RD00 

SDO1/OC1/INT0/RD0 

 

73 

N/A 

N/A 

RC13 

SOSCI/CN1/RC13 

Secondary Oscillator  

74 

N/A 

N/A 

RC14 

SOSCO/T1CK/CN0/RC14 

Secondary Oscillator  

76 

JD-07 

29 

RD01 

OC2/RD1 

 

77 

JD-08 

30 

RD02 

OC3/RD2 

 

78 

JD-09 

31 

RD03 

OC4/RD3 

 

79 

JD-10 

32 

RD12 

ETXD2/IC5/PMD12/RD12 

 

80 

N/A 

60 

RD13 

ETXD3/PMD13/CN19/RD13 

USB Overcurrent 

81 

JC-09 

23 

RD04 

OC5/PMWR/CN13/RD4 

 

82 

JC-08 

22 

RD05 

PMRD/CN14/RD5 

 

83 

N/A 

N/A 

RD06 

ETXEN/PMD14/CN15/RD6 

Ethernet PHY 

84 

JC-04 

20 

RD07 

ETXCLK/PMD15/CN16/RD7 

 

87 

N/A 

N/A 

RF00 

C1RX/ETXD1/PMD11/RF0 

Ethernet PHY 

88 

N/A 

N/A 

RF01 

C1TX/ETXD0/PMD10/RF1 

Ethernet PHY 

89 

JC-03 

19 

RG01 

C2TX/ETXERR/PMD9/RG1 

 

90 

JC-02 

18 

RG00 

C2RX/PMD8/RG0 

 

91 

N/A 

N/A 

RA06 

TRCLK/RA6 

Ethernet PHY Reset 

92 

JE-08 

38 

RA07 

TRD3/RA7 

 

93 

JB-01 

9 

RE00 

PMD0/RE0 

 

94 

JB-02 

10 

RE01 

PMD1/RE1 

 

95 

LD3 

53 

RG14 

TRD2/RG14 

LED3 

96 

LD1 

51 

RG12 

TRD1/RG12 

LED1 

97 

LD2 

52 

RG13 

TRD0/RG13 

LED2 

98 

JB-03 

11 

RE02 

PMD2/RE2 

 

Содержание Cerebot MX7cK REV B

Страница 1: ...rence materials and other resources The Cerebot MX7cK is designed to be easy to use and suitable for use by anyone from beginners to advanced users for experimenting with embedded control and network...

Страница 2: ...two analog comparators The Cerebot MX7cK has a number of input output connection options and is designed to work with the Digilent line of Pmod peripheral modules that provide various input and output...

Страница 3: ...nt The following statement must be used to configure the microcontroller for use with the on board licensed debugger circuit pragma config ICESEL ICS_PGx1 The MPLAB IDE may report an error indicating...

Страница 4: ...ommunications with the boot loader and downloads the user s program programming it into the flash memory in the microcontroller When the MPIDE opens the serial communications connection on the PC the...

Страница 5: ...formed the host that they want to consume more current To meet this specification the debugger circuit turns on main board power by driving the PWR_ON signal high after successfully enumerating on the...

Страница 6: ...supplies may occur When the Cerebot MX7cK is operating as a USB host an external power supply connected to either J17 or J18 must be used to power the board In addition to powering the logic on the Ce...

Страница 7: ...between either the unregulated power supply VCC5V0 or the 3 3V main board supply VCC3V3 Place the shorting block in the 3V3 position for regulated 3 3V and in the 5V0 position to use the unregulated s...

Страница 8: ...O Port Writing to the LAT register sets any pins configured as outputs Reading from the LAT register returns the last value written The PORT register is used to read from the I O Port Reading from the...

Страница 9: ...ected to the signal TMS RA0 on the PIC32 microcontroller This microcontroller pin is shared between general purpose I O functions and use by the JTAG controller The JTAG controller is enabled on reset...

Страница 10: ...od connector pins These resistors are primarily intended to provide short circuit protection on the outputs but will also provide limited protection if a 5V signal is inadvertently applied to a non 5V...

Страница 11: ...r and pre fetch cache The operating frequency is selected using the PIC32MX795 configuration variables These are set using the pragma config statement Use pragma config FPLLIDIV to set the input divid...

Страница 12: ...le with the PIC32MX795 MAC and the LAN8720 PHY Microchip also provides numerous example programs illustrating the use of their network protocol stack for various applications When not using the Microc...

Страница 13: ...the USB controller pragma config UPLLEN ON pragma config UPLLIDIV DIV_2 When using the chipKIT MPIDE development environment these will have been set by the boot loader so no action is needed When ope...

Страница 14: ...or configuration these reference designs are suitable to use for developing USB firmware for the Cerebot MX7cK board Digilent has USB libraries available that can be used to develop both USB device a...

Страница 15: ...Digilent 6 pin or 2x6 to dual 6 pin cables can be used to daisy chain Digilent boards together in a CAN network A Digilent 6 Pin cable in combination with a Digilent PmodCON1 Screw Terminal Connector...

Страница 16: ...s only significant for slave devices A master device can use any general purpose I O pin to generate SS to enable the slave An SPI transaction begins with the master device bringing SS low When the sl...

Страница 17: ...each provide two positions for connecting to the I2 C signals power and ground By using two wire or four wire MTE cables available separately from Digilent a daisy chain of multiple Cerebot MX7cK boa...

Страница 18: ...or using the DTWI library via the DTWI1 object class Refer to the Microchip data sheet for detailed information on the operation of this device Analog Inputs The PIC32MX795 microcontroller provides a...

Страница 19: ...Vref 0V Vref 3 3V INTERNAL same as default EXTERNAL Vref 0V Vref voltage at A2 EXTMINUS Vref voltage at A3 Vref 3 3V EXTPLUSMINUS Vref voltage at A3 Vref voltage at A2 Timers The PIC32MX795 microcont...

Страница 20: ...ion chipKIT pin number and microcontroller I O port and bit number for the output compare unit s output pins OC1 JD 02 digital pin 25 RD00 OC2 JD 07 digital pin 28 RD01 OC3 JD 08 digital pin 29 RD02 O...

Страница 21: ...ned to refer to the digital pin numbers used for the external interrupt inputs The following gives connector position chipKIT pin number and microcontroller I O port and bit number Note that INT0 INT1...

Страница 22: ...andshaking signals not used on the Cerebot MX4cK board J2 USB Serial converter UART connector This USB micro AB connector is used to connect the FT232R serial converter to a USB port on the user PC J3...

Страница 23: ...ct USB devices to the board when using the PIC32MX795 microcontroller to implement an embedded USB host JP1 JP2 CAN or Pmod Select These jumpers select microcontroller signals RF12 and RF13 for use wi...

Страница 24: ...elect This jumper is used to select which host connector is powered when host power is enabled Place the shorting block in the MICRO position to supply power to the USB micro AB OTG Connector J19 Plac...

Страница 25: ...g FPLLODIV DIV_1 PLL output divider pragma config FPBDIV DIV_8 Peripheral bus clock divider pragma config FSOSCEN OFF Secondary oscillator enable Clock control settings pragma config IESO OFF Internal...

Страница 26: ...ERXD0 INT1 RE8 19 JF 07 45 RE09 AERXD1 INT2 RE9 20 N A 59 RB05 AN5 C1IN VBUSON CN7 RB5 USB VBUSON 21 JA 03 3 RB04 AN4 C1IN CN6 RB4 22 JA 02 2 RB03 AN3 C2IN CN5 RB3 23 JA 01 1 RB02 AN2 C2IN CN4 RB2 24...

Страница 27: ...RD8 Ethernet PHY 69 JD 01 25 RD09 SS1 IC2 RD9 70 JD 04 28 RD10 SCK1 IC3 PMCS2 PMA15 RD10 71 N A N A RD11 EMDC AEMDC IC4 PMCS1 PMA14 RD11 Ethernet PHY 72 JD 02 26 RD00 SDO1 OC1 INT0 RD0 73 N A N A RC1...

Страница 28: ...Manual www digilentinc com page 28 of 34 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners 99 JB 04 12 RE03 PMD3 RE3 100...

Страница 29: ...RE4 3 JB 08 14 RE05 PMD5 RE5 4 JB 09 15 RE06 PMD6 RE6 5 JB 10 16 RE07 PMD7 RE7 6 JC 01 17 RC01 T2CK RC1 90 JC 02 18 RG00 C2RX PMD8 RG0 89 JC 03 19 RG01 C2TX ETXERR PMD9 RG1 84 JC 04 20 RD07 ETXCLK PM...

Страница 30: ...AETXEN SDA1 INT4 RA15 I2C1 20 N A 59 RB05 AN5 C1IN VBUSON CN7 RB5 USB VBUSON 80 N A 60 RD13 ETXD3 PMD13 CN19 RD13 USB Overcurrent detect 7 N A N A RC02 T3CK AC2TX RC2 CAN2 8 N A N A RC03 T4CK AC2RX R...

Страница 31: ...nce Manual www digilentinc com page 31 of 34 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners 91 N A N A RA06 TRCLK RA6...

Страница 32: ...CN3 RB1 debug PGD 23 JA 01 1 RB02 AN2 C2IN CN4 RB2 22 JA 02 2 RB03 AN3 C2IN CN5 RB3 21 JA 03 3 RB04 AN4 C1IN CN6 RB4 20 N A 59 RB05 AN5 C1IN VBUSON CN7 RB5 USB VBUSON 26 JA 04 4 RB06 PGEC2 AN6 OCFA R...

Страница 33: ...PMD3 RE3 100 JB 07 13 RE04 PMD4 RE4 3 JB 08 14 RE05 PMD5 RE5 4 JB 09 15 RE06 PMD6 RE6 5 JB 10 16 RE07 PMD7 RE7 18 JE 07 37 RE08 AERXD0 INT1 RE8 19 JF 07 45 RE09 AERXD1 INT2 RE9 87 N A N A RF00 C1RX ET...

Страница 34: ...Reference Manual www digilentinc com page 34 of 34 Copyright Digilent Inc All rights reserved Other product and company names mentioned may be trademarks of their respective owners 1 LD4 54 RG15 AERX...

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