Hardware description
Designator Net Description Size Layer
TP23 SWDIO nRF5340 Serial Wire Debug
(SWD) data
1.5 mm Top
TP24 SWDCLK nRF5340 SWD clock 1.5 mm Top
TP25 RESET nRF5340 Reset 1.5 mm Top
TP26 SD_CS SD card slot CS line 1.5 mm Top
TP27 SD_SCK SD card slot SCK line 1.5 mm Top
TP28 VDD_IN_1V 1.2 V regulator output 1.5 mm Top
TP29 SUPPLY_1V8 nPM1100 1.8 V output 1.5 mm Top
TP30 SUPPLY_3V3 3.3 V regulator output 1.5 mm Top
TP31 VDD_DBG_3V3 Debug regulator 3.3 V output 1.5 mm Top
TP32 VDD_DBG_1V8 Debug regulator 1.8 V output 1.5 mm Top
TP33 SW_EN Load switch enable signal 1.5 mm Top
TP34 GND Ground 1.5 mm Top
TP35 GND Ground 1.5 mm Top
TP36 NetQ9-1 Debug enable signal 1.5 mm Top
TP37 IMCU_SWDIO Interface MCU SWD data 1.5 mm Top
TP38 IMCU_RESET Interface MCU Reset 1.5 mm Top
TP39 IMCU_SWDCLK Interface MCU SWD clock 1.5 mm Top
TP40 SHIELD_DETECT Detect signal for Arduino
compatible shield
1.0 mm Top
TP41 HW_CODEC_IF.SPI.MISO SPI MISO pin of CS47L63 1.0 mm Top
TP42 HW_CODEC_IF.SPI.MOSI SPI MOSI pin of CS47L63 1.0 mm Top
TP43 HW_CODEC_IF.SPI.SCK SPI SCK pin of CS47L63 1.0 mm Top
TP44 HW_CODEC_IF.SPI.CS SPI SS pin of CS47L63 1.0 mm Top
TP45 HW_CODEC_IF.CTRL.GPIO GPIO pin of CS47L63 1.0 mm Top
TP46 HW_CODEC_IF.CTRL.IRQ IRQ pin of CS47L63 1.0 mm Top
TP47 HW_CODEC_IF.CTRL.RESET RESET pin of CS47L63 1.0 mm Top
TP48 HW_CODEC_IF.I2S.MCLK MCLK1 pin of CS47L63 1.0 mm Top
TP49 HW_CODEC_IF.I2S.DOUT I2S DOUT pin of CS47L63 1.0 mm Top
TP50 HW_CODEC_IF.I2S.DIN I2S DIN pin of CS47L63 1.0 mm Top
TP51 HW_CODEC_IF.I2S.BCLK I2S BCLK pin of CS47L63 1.0 mm Top
TP52 HW_CODEC_IF.I2S.FSYNC I2S FSYNC pin of CS47L63 1.0 mm Top
TP53 NetSB12-1 MICBIASB pin of CS47L63 1.0 mm Top
TP54 NetSB13-1 IN1_PDMDATA pin of
CS47L63
1.0 mm Top
4406_708
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