Digilent Cerebot MC7 Скачать руководство пользователя страница 15

Cerebot MC7™ Board Reference Manual 

 

 

Copyright Digilent, Inc. All rights reserved. 

Other product and company names mentioned may be trademarks of their respective owners.

 

Page 

15

 of 

22

 

 

N/A 

 

20 

AVSS 

 

N/A 

 

25 

VSS 

 

N/A 

 

26 

VDD 

 

N/A 

 

38 

VDD 

 

N/A 

 

41 

VSS 

 

N/A 

 

56 

Vcap/VDDCORE 

 

N/A 

 

57 

VDD 

 

N/C 

RB09 

22 

AN9/RB9 

 

 

MCU Pin to Pmod Connector Pin 

MCU Pin 

MCU 

Port Bit 

Connector 

Pin 

Signal 

Notes 

RE05 

N/A 

PWM3H,RE5 

PWM3H, half bridge 3 high side 

RE06 

N/A 

PWM4L/RE6 

PWM4L, half bridge 4 low side 

RE07 

N/A 

PWM4H/RE7 

PWM4H, half bridge 4 high side 

RG06 

JB-04 

SCK2/CN8/RG6 

SPI #2 

RG07 

JB-03 

SDI2/CN9/RG7 

SPI #2, Selectable via JP2 

RG08 

JB-02 

SDO2/CN10/RG8 

SPI #2, Selectable via JP3 

 

N/A 

MCLR 

on-board program/debug circuit 

RG09 

JB-01 

SS2/CN11/RG9 

SPI #2 

 

N/A 

VSS 

 

10 

 

N/A 

VDD 

 

11 

RB05 

N/A 

AN5/QEB/IC8/CN7/RB5 

motor 1, quadrature encoder input 

12 

RB04 

N/A 

AN4/QEA/IC7/CN6/RB4 

motor 1, quadrature encoder input 

13 

RB03 

N/A 

AN3/INDX/CN5/RB3 

half bridge 4 current sense 

14 

RB02 

N/A 

AN2/SS1/CN4/RB2 

half bridge 3 current sense 

15 

RB01 

N/A 

PGEC3/AN1/VREF-/CN3/RB1 

half bridge 2 current sense 

16 

RB00 

N/A 

PGED3/AN0/VREF+/CN2/RB0 

half bridge 1 current sense 

17 

RB06 

N/A 

PGEC1/AN6/OCFA/RB6 

on-board program/debug circuit 

18 

RB07 

N/A 

PGED1/AN7/RB7 

on-board program/debug circuit 

19 

 

N/A 

AVDD 

 

20 

 

N/A 

AVSS 

 

21 

RB08 

 

U2CTS/AN8/RB8 

BTN1 

22 

RB09 

N/C 

AN9/RB9 

 

23 

RB10 

N/A 

TMS/AN10/RB10 

half bridge 1, voltage sense 

24 

RB11 

N/A 

TDO/AN11/RB11 

half bridge 2, voltage sense 

25 

 

N/A 

VSS 

 

26 

 

N/A 

VDD 

 

27 

RB12 

N/A 

TCK/AN12/RB12 

half bridge 3, voltage sense 

28 

RB13 

N/A 

TDI/AN13/RB13 

half bridge 4, voltage sense 

29 

RB14 

JB-09 

U2RTS/AN14/RB14 

shared with BTN2 

30 

RB15 

JB-10 

AN15/OCFB/CN12/RB15 

 

31 

RF04 

N/A 

U2RX/SDA2/CN17/RF4 

I2C Bus #2, not shared with Pmod 

connector 

32 

RF05 

N/A 

U2TX/SCL2/CN18/RF5 

I2C Bus #2, not shared with Pmod 

Содержание Cerebot MC7

Страница 1: ...o the dsPIC A D converter to measure voltage and current for closed loop feedback control These half bridges can be used to control two brushed DC motors two bi polar stepper motors one brushless DC m...

Страница 2: ...nations to drive various external loads such as brushed DC motors brushless DC motors stepper motors and so on A switching 5V 4A regulator with input voltage up to 24V is provided on the board to simp...

Страница 3: ...ject use the Configure Select Device menu to specify the dsPIC device in use Ensure that the device is set to dsPIC33FJ128MC706A To use the on board programming debugging circuit it must be selected a...

Страница 4: ...power supply place a shorting block on JP14 labeled REG To select USB power from the USB debug connector place a shorting block on JP15 labeled USB Note that the dsPIC and other circuitry on the board...

Страница 5: ...nd a low side transistor drive input The NTMD4820N FETs are rated for a maximum VDS of 30V maximum VGS or 20V and maximum drain current ID of 8A at 25 C 6 4A at 70 C t 10s or 6 4A continuous drain cur...

Страница 6: ...e voltage across the current sense resistors before being applied to the inputs to the A D converter The following formula relates the voltage applied to the A D converter input to the sensed bridge c...

Страница 7: ...he network nodes at each end of a network provide 120 ohm termination The Cerebot MC7 provides the termination resistor and jumpers to enable disable this resistor depending on the location of the boa...

Страница 8: ...an external power supply For the first case Install shorting blocks on JP5 and JP8 to connect the VS servo power bus to the REG5V0 power bus This connection allows for operation from a single high vol...

Страница 9: ...modules that provide various kind of I O interfaces The Pmod line includes such things as button switch and LED modules connector modules LCD displays high current output drivers and many others There...

Страница 10: ...ach time a byte is sent from the master to the slave a byte is sent from the slave to the master The master generates the serial clock on the SCK line and the slave uses that as the clock to shift the...

Страница 11: ...g clock The Cerebot MC7 board provides an external 8Mhz crystal for use with the XT oscillator option This crystal is on the bottom of the board Oscillator options are selected via configuration macro...

Страница 12: ...A TDI AN13 RB13 half bridge 4 voltage sense RB14 29 JB 09 U2RTS AN14 RB14 shared with BTN2 RB15 30 JB 10 AN15 OCFB CN12 RB15 RC12 39 N A OSC1 CLKIN RC12 crystal connection RC13 47 N A PGED2 SOSCI T4CK...

Страница 13: ...3 SDI2 CN9 RG7 SPI 2 Selectable via JP2 RG08 6 JB 02 SDO2 CN10 RG8 SPI 2 Selectable via JP3 RG09 8 JB 01 SS2 CN11 RG9 SPI 2 7 N A MCLR on board program debug circuit 9 N A VSS 10 N A VDD 19 N A AVDD 2...

Страница 14: ...11 half bridge 2 voltage sense N A RB12 27 TCK AN12 RB12 half bridge 3 voltage sense N A RB13 28 TDI AN13 RB13 half bridge 4 voltage sense N A RC12 39 OSC1 CLKIN RC12 crystal connection N A RC13 47 PG...

Страница 15: ...otor 1 quadrature encoder input 12 RB04 N A AN4 QEA IC7 CN6 RB4 motor 1 quadrature encoder input 13 RB03 N A AN3 INDX CN5 RB3 half bridge 4 current sense 14 RB02 N A AN2 SS1 CN4 RB2 half bridge 3 curr...

Страница 16: ...1 44 RD10 JB 07 IC3 INT3 RD10 45 RD11 JB 08 IC4 INT4 RD11 46 RD00 JC 01 OC1 RD0 Servo S1 47 RC13 N A PGED2 SOSCI T4CK CN1 RC13 motor 2 quadrature encoder input 48 RC14 N A PEGC2 SOSCO T1CK CN0 RC14 m...

Страница 17: ...otor Encoder 1 Connector J16 is a six pin JST connector that provides connection to VMOT1 and VMOT2 for use as an h bridge to drive a motor These are the same signals as on J14 Connector J16 also prov...

Страница 18: ...the shorting block to enable the termination resistor remove it to disable the termination resistor JP7 Do Not Use JP9 JP10 JP11 JP12 Voltage Monitoring Disconnect These jumpers are used to enable di...

Страница 19: ...ay be trademarks of their respective owners Page 19 of 22 Appendix C Measured Current Monitoring Data Half Bridge 1 IMON1 Current amps Voltage volts 0 0 997 0 5 1 11 1 1 213 1 5 1 318 2 1 424 2 5 1 53...

Страница 20: ...tage volts 0 1 028 0 5 1 139 1 1 242 1 5 1 348 2 1 45 2 5 1 556 3 1 662 3 5 1 77 4 1 88 4 5 1 99 5 2 106 5 5 2 223 6 2 344 Over Current Trip 5 87 Half Bridge 3 IMON3 Current amps Voltage volts 0 1 003...

Страница 21: ...y names mentioned may be trademarks of their respective owners Page 21 of 22 Half Bridge 4 IMON4 Current amps Voltage volts 0 0 967 0 5 1 077 1 1 181 1 5 1 282 2 1 389 2 5 1 493 3 1 6 3 5 1 707 4 1 81...

Страница 22: ...nley Court Pullman WA 99163 U S A Application of Council Directives EMC 2004 108 EC Standards EMC EN55022 2010 EN55024 2010 Product Name Cerebot MC7 Product Model Number Digilent P N 210 185 Digilent...

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