Freescale Semiconductor K20D72M User Manual Download | Manualshive

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Freescale Semiconductor Inc.

TWR-K20D72M

User Manual

Rev. 1.1

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Summary of Contents for K20D72M

Page 1: ...Freescale Semiconductor Inc TWR K20D72M User Manual Rev 1 1...

Page 2: ...rd Power Select 7 2 3 2 RTC VBAT 7 2 4 Debug Interface 8 2 4 1 OSJTAG 8 2 4 2 Cortex Debug Connector 8 2 5 USB Interface 9 2 6 Infrared Port 9 2 7 External Bus Interface FlexBus 9 2 8 Accelerometer 9...

Page 3: ...Figure 4 Infrared Port Implementation 9 List of Tables Table 1 Cortex Debug Connector Pinout 8 Table 2 TWRPI Socket Pin Description 10 Table 3 Touch TWRPI Pin Description 11 Table 4 TWR K20D72M Jumpe...

Page 4: ...begin constructing your Tower System today by visiting www freescale com tower for additional Tower System microcontroller modules and compatible peripherals 1 1 Features The following list summarize...

Page 5: ...p www freescale com TWR K20D72M or http www freescale com kinetis TWR K20D72M Quick Start Guide TWR K20D72M Schematics K20 Family Product Brief K20 Family Reference Manual Kinetis Quick Reference User...

Page 6: ...tery holder Buzzer FTM Figure 3 TWR K20D72M Block Diagram 2 1 K20D72M Microcontroller The TWR K20D72M module features the MK20DX256VLL7 The Kinetis K20 microcontroller family is part of the Kinetis po...

Page 7: ...B connector J14 or the debugger header J11 when a shunt is placed on jumper J10 On board low dropout regulator provides either 3 3V or 1 8V supply from the 5 0V input voltage based on jumper settings...

Page 8: ...rface are provided in the P E Micro Kinetis Tower Toolkit available on the included DVD 2 4 2 Cortex Debug Connector The Cortex Debug connector is a 20 pin 0 05 connector providing access to the SWD S...

Page 9: ...iode The receiver uses an infrared phototransistor connected to an on chip analog comparator through a low pass filter Figure 4 Infrared Port Implementation 2 7 External Bus Interface FlexBus The K20...

Page 10: ...V VCC 3 GND 4 3 3V VDDA 5 VSS Analog GND 6 VSS Analog GND 7 VSS Analog GND 8 ADC Analog 0 9 ADC Analog 1 10 VSS Analog GND 11 VSS Analog GND 12 ADC Analog 2 13 VSS Analog GND 14 VSS Analog GND 15 GND...

Page 11: ...trode 0 4 3 3V VDDA 5 Electrode 1 6 VSS Analog GND 7 Electrode 2 8 Electrode 3 9 Electrode 4 10 Electrode 5 11 Electrode 6 12 Electrode 7 13 Electrode 8 14 Electrode 9 15 Electrode 10 16 Electrode 11...

Page 12: ...5V supply to JTAG port supports powering board from external JTAG probe OFF Disconnect on board 5V supply from JTAG port J13 VBAT Power Selection 1 2 Connect VBAT to on board 3 3V supply 2 3 Connect V...

Page 13: ...itches and other I O interfaces Note Some port pins are used in multiple interfaces on board and many are potentially connected to off board resources via the Primary and Secondary Connectors Take car...

Page 14: ...SCK TWRPI GPIO0 J8 Pin 15 PTC5 PTC5 TWRPI GPIO1 J8 Pin 16 PTC6 PTC6 TWRPI GPIO2 J8 Pin 17 PTD6 UART0_RX TWRPI GPIO3 J8 Pin 18 PTD7 UART0_TX TWRPI GPIO4 J8 Pin 19 PTD5 UART0_CTS TWRPI GPIO5 J8 Pin 20 P...

Page 15: ...SDHC_D3 SPI1_CS0_b PTE4 A9 GPIO9 CTS1 PTC9 B10 SDHC_CMD SPI1_MOSI PTE1 A10 GPIO8 SDHC_D2 PTB22 B11 SDHC_D0 SPI1_MISO PTE3 A11 GPIO7 SD_WP_DET PTB21 B12 ETH_COL A12 ETH_CRS B13 ETH_RXER A13 ETH_MDC B14...

Page 16: ...TA17 A59 TMR6 B60 IRQ_C PTA16 A60 TMR5 B61 IRQ_B PTC6 A61 TMR4 B62 IRQ_A PTC5 A62 RSTIN_b RESET_b B63 EBI_ALE EBI_CS1_b PTD0 A63 RSTOUT_b PTE1 B64 EBI_CS0_b PTD1 A64 CLKOUT0 PTC3 B65 GND Ground A65 GN...

Page 17: ...Page 17 of 17 Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners Freescale Semiconductor Inc...

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