GF-RK3399-Kit Embedded Development Hardware Manual
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217
GPIO4_D4_d
219
GPIO4_D5_d
221
UART2DBG_TXD
UART 2
GPIO4_C4
223
UART2DBG_RXD
GPIO4_C3
225
GPIO4_D3_d
227
GPIO4_D0_u
229
GPIO4_D1_d
231
GPIO4_D2_d
233
GPIO4_C6_d
235
GPIO4_C2_d
237
VCCA_CODEC_3V0
3.0V output
239
VCCA_CODEC_3V0
241
VCCA_CODEC_1V8
1.8V output
243
VCCA_CODEC_1V8
245
GND
247
I2S0_SCLK
I2S signal
GPIO3_D0
249
I2S0_LRCK_RX
GPIO3_D1
251
I2S0_LRCK_TX
GPIO3_D2
253
I2S0_SDI0
GPIO3_D3
255
GPIO3_D4_d
GPIO3_D4
257
GPIO3_D5_d
GPIO3_D5
259
GPIO3_D6_d
GPIO3_D6
261
I2S0_SDO0
I2S signal
GPIO3_D7
263
I2S_CLK
GPIO4_A0
265
GPIO4_A3_d
267
GPIO4_A4_d