NXP Semiconductors FRDM-KW36 User Manual Download Page 16 | Manualshive

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I/O

FRDM-

KW36 Minimum BoM Development Board User’s Guide, User’s Guide, Rev. 0, 09/20187

16

NXP Semiconductos.

4 I/O

4.1 I/O pin accessibility

Figure 20 shows the I/O pinout (TPx). Each I/O pin has its own ground to facilitate the 2 wires
connection on the PCB.

Figure 20. KW36 Minimum BoM Board I/O pinout

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Summary of Contents for FRDM-KW36

Page 1: ...ting a range of GFSK an Arm Cortex M0 CPU up to 512 KB Flash and up to 64 KB SRAM Bluetooth LE Link Layer hardware and peripherals optimized to meet the requirements of the target applications KW36 device is also available on the FRDM KW36 Freedom Development Board For more information about the FRDM KW36 Freedom Development Board see the NXP Semiconductor Document Number MiniBoMKW36UG User s Guid...

Page 2: ...nd an Arm Cortex M0 MCU into a single package NXP supports the KW36 with tools and software that include hardware evaluation and development boards software development IDE applications drivers and a custom PHY with a Bluetooth LE Link Layer The KW36 minimum BoM development board 31417 consists of the KW36Z device with a 32 MHz reference oscillator crystal RF circuitry including antenna supplied w...

Page 3: ...ra low power KW36Z Wireless MCU supporting Bluetooth LE and Generic FSK Reference design area with small footprint low cost RF node o Single ended input output port o Very low count of external components minimum BoM Ceramic antenna Selectable power sources coin cell or external output power DC DC converter with Buck and Bypass operation modes 32 MHz reference oscillator for RF operation 32 768 kH...

Page 4: ...Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 4 NXP Semiconductos Figure 3 shows the main board features and Input Output headers for the KW36 Minimum BoM board Figure 3 KW36 Minimum BoM board component placement ...

Page 5: ...ayer board provides the KW36 with its required RF circuitry 32 MHz reference oscillator crystal and power supply with a DC DC converter including Bypass and Buck default modes The layout for this base level functionality can be used as a reference layout for your target board 3 1 Block diagram Figure 4 Block diagram Buck mode Figure 5 Block diagram Bypass mode ...

Page 6: ...onal description FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 6 NXP Semiconductos 3 2 Generic application schematic 3 2 1 Buck mode auto start Figure 6 Buck mode auto start ...

Page 7: ...Functional description FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 NXP Semiconductors 7 3 2 2 Buck mode manual start Figure 7 Buck mode manual start ...

Page 8: ...Functional description FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 8 NXP Semiconductos 3 2 3 Bypass mode Figure 8 Bypass mode ...

Page 9: ...nna pin is provided through C17 and L8 Those two components match to the ceramic antenna through a 50 ohms controlled line An additional and optional matching component R112 footprint is provided to better filter harmonics Figure 9 KW36 Minimum BoM board RF circuit 3 4 Clocks The KW36 Minimum BoM board provides two clocks One 32 MHz for clocking MCU and Radio and a 32 768 kHz to provide an accurat...

Page 10: ...is adjustable which allows the center frequency of the crystal to be tuned o To measure the 32 MHz oscillator frequency program the CLKOUT PTB0 signal to provide buffered output clock signal TP29 Figure 11 KW36 Minimum BoM Board 32 786 kHz oscillator circuit 32 768 kHz Crystal Oscillator for accurate low power time base o A secondary 32 768 kHz crystal QZ1 is provided see Figure 6 o Internal load ...

Page 11: ...upply 1 71 to 3 6 VDC BT1 1 and another wire to the ground BT1 2 in bypass mode By default KW36 DC DC is configured in buck mode then the voltage should be in the range of 2 1 V to 3 6 V Orange LED marked as D4 is available as a power indicator The KW36 Minimum BoM Board can be configured to use either of the DCDC converter operating modes default These modes are Bypass or Buck default Moving the ...

Page 12: ...Board User s Guide User s Guide Rev 0 09 20187 12 NXP Semiconductos NOTE x populated component not populated component Figure 13 Component configuration for Buck or Bypass mode DCDC_CFG pin Figure 14 Component configuration for Buck or Bypass mode PSWITCH pin ...

Page 13: ...BoM Development Board User s Guide User s Guide Rev 0 09 20187 NXP Semiconductors 13 Figure 15 Component configuration for Buck or Bypass mode supply pins DCDC mode jumper configurations are described in Figure 16 Figure 16 DCDC configurations ...

Page 14: ...ductos VREFH VREF_OUT Circuit for VREF_OUT VREF_OUT provides a 1 2V reference voltage that can be used as VREFH for ADC Figure 17 Circuit for VREF_OUT Circuit for VREFH VREFH is the high reference voltage for the ADC in this circuit it will have the same values as VDDA Analog supply voltage Figure 18 Circuit for VREFH ...

Page 15: ... Minimum BoM Board provides an orange LED for user applications Figure 19 shows the circuitry for the application controlled LEDs LED_COM1 SCL LED_COM2 SDA LED_COM3 RF active Figure 19 KW36 Minimum BoM Board Orange LED circuit NOTE When operating in default Buck configuration the MCU would be operating at 1 8 V which means that GPIO would be operating at 1 8 V ...

Page 16: ...r s Guide User s Guide Rev 0 09 20187 16 NXP Semiconductos 4 I O 4 1 I O pin accessibility Figure 20 shows the I O pinout TPx Each I O pin has its own ground to facilitate the 2 wires connection on the PCB Figure 20 KW36 Minimum BoM Board I O pinout ...

Page 17: ...0_CH1 CLKOUT CAN0_TX 16 TP30 PTB1 ADC0_SE1 CMP0_IN5 RF_PRIORITY DTM_RX I2C0_SDA LPTMR0_ALT1 TPM0_CH2 CMT_IRO CAN0_RX 17 TP31 PTC4 DIAG4 RF_ACTIVE LLWU_P12 ANT_A EXTRG_IN UART0_CTS_b TPM1_CH0 BSM_DATA SPI1_PCS0 CAN0_RX 40 TP32 PTC5 LLWU_P13 RF_RF_OFF LPTMR0_ALT2 UART0_RTS_b TPM1_CH1 BSM_CLK 41 TP34 PTA17 LLWU_P5 RF_DFT_RESET SPI1_SIN UART1_RX CAN0_TX TPM_CLKIN1 5 TP35 PTA18 LLWU_P6 SPI1_SCK UART1_T...

Page 18: ...Schematic FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 18 NXP Semiconductos 5 Schematic ...

Page 19: ...Layout FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 NXP Semiconductors 19 6 Layout Figure 21 Layout ...

Page 20: ...Mounted PCB FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 20 NXP Semiconductos 7 PCB Figure 22 PCB 8 Mounted PCB Figure 23 Mounted PCB ...

Page 21: ...Component positioning FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 NXP Semiconductors 21 9 Component positioning Figure 24 Component positioning 1 ...

Page 22: ...Component positioning FRDM KW36 Minimum BoM Development Board User s Guide User s Guide Rev 0 09 20187 22 NXP Semiconductos Figure 25 Component positioning 2 ...

Page 23: ...0CZ01D Decoupling Caps C24 3pF Murata GRM1555C1H3R0CZ01D Decoupling Caps C1 12pF Murata GRM1555C1H120JZ01D Decoupling Caps C3 12pF Murata GRM1555C1H120JZ01D Decoupling Caps C17 0 8pF Murata GRM1555C1HR80WA01D RF Matching C18 0 8pF Murata GRM1555C1HR80WA01D RF Matching C7 10µF TAIYO YUDEN EMK107BBJ106MA T C4 0 1µF KEMET C0402C104K8PAC Decoupling Caps C10 10µF TAIYO YUDEN EMK107BBJ106MA T Decoupling...

Page 24: ...214 R215 R216 R218 R219 R220 R221 R222 R226 R232 R233 0 ohm 1 Through Hole J4 connector 1 Capacitor C2 12pF 2 Capacitor C6 C55 0 1uF 1 Capacitor C19 10uF 1 Capacitor C70 1 5pF 1 Capacitor C11 1uF 1 Inductor L4 1nH 1 Resistor R1 buck 0 ohm 3 Resistor R4 R6 buck R9 0 ohm 4 Resistor R132 R133 R230 R231 4 7K 1 Connector JP3 FTDI connector 1 Header J14 SWD connector 1 ceramic antenna E1 ceramic antenna...

Page 25: ...D Decoupling Caps C17 0 8pF MURATA GRM1555C1HR80WA01D RF Matching C18 0 8pF MURATA GRM1555C1HR80WA01D DNP RF Matching C12 10µF TAIYO YUDEN EMK107BBJ106MA T C4 0 1µF KEMET C0402C104K8PAC Decoupling Caps C5 0 1µF KEMET C0402C104K8PAC Decoupling Caps C8 0 1µF KEMET C0402C104K8PAC Decoupling Caps C10 0 1µF KEMET C0402C104K8PAC Decoupling Caps C9 0 1µF KEMET C0402C104K8PAC DC filtering C19 10µF TAIYO Y...

Page 26: ... R2 bypass 0 ohm 1 Resistor R3 bypass 0 ohm 1 Resistor R7 bypass 0 ohm 4 Resistor R132 R133 R230 R231 4 7K 1 Connector JP3 FTDI connector 1 Header J14 SWD connector 1 ceramic antenna E1 ceramic antenna 1 Bracket Strap Clamp BT1 CR2450 Coin cell support 1 Connector J4 battery connector 1 Capacitor C2 12pF 1 Capacitor C6 C7 C55 0 1uF 1 Capacitor C70 1 5pF 1 Capacitor C11 1uF 1 Inductor L4 1nH DNP In...

Page 27: ... User s Guide User s Guide Rev 0 09 20187 NXP Semiconductors 27 11 References The following references are available on KW36 Minimum BoM Board KW36 Minimum BoM Board Design Package 12 Revision history Rev Date Substantive change s 0 09 2018 Initial revision ...

Page 28: ...duce the effect of these vulnerabilities on customer s applications and products and NXP accepts no liability for any vulnerability that is discovered Customers should implement appropriate design and operating safeguards to minimize the risks associated with their applications and products NXP the NXP logo NXP SECURE CONNECTIONS FOR A SMARTER WORLD COOLFLUX EMBRACE GREENCHIP HITAG I2C BUS ICODE J...

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