GPIO Overview by Selected Board

Selected Boards:

• 1 lyrat_v4_3 (ES8388)
• 2 lyrat_v4_2 (ES8388) - DRAFT Not Tested
• 3 lyrat_mini_v1_1 (ES8311) - DRAFT Not Tested
• 4 esp32_s2_kaluga_1_v1_2 (ES8311) - DRAFT Not Tested
• 5 ai_thinker (ES8388) 2957 3478
• 6 ai_thinker (AC101) 2762 2957
• 7 ai_thinker (ES8388) 2957
• 10 generic_es8388
• 11 generic_es8311

Interface	Pin	1	2	3	4	5	6	7	10	11
I2C	sda	18	18	18	8	33	33	18	33	18
I2C	scl	23	23	23	7	32	32	23	32	23
I2S	bck	5	5	5	18	27	27	5	27	5
I2S	ws	25	25	25	17	25	26	25	25	25
I2S	data_out	26	26	26	12	26	25	26	26	26
I2S	data_in	35	35	35	46	35	35	35	35	35
I2S	mclk	0	0	0	0	0	0	0	0	0
SPI	cs	13	13	13	13	13	13	13	13	13
SPI	miso	2	2	2	2	2	2	2	2	2
SPI	mosi	15	15	15	15	15	15	15	15	15
SPI	clk	14	14	14	14	14	14	14	14	14

When you use generic_es8388 with PlatformIO, you can override each pin individually in the platformio.ini file. For the available defines please check the board_def.h

Defines

The following defines are usually made available in the board_def.h:

• PIN_AUDIO_KIT_SD_CARD_CS
• PIN_AUDIO_KIT_SD_CARD_MISO
• PIN_AUDIO_KIT_SD_CARD_MOSI
• PIN_AUDIO_KIT_SD_CARD_CLK
• SDCARD_INTR_GPIO
• BUTTON_REC_ID
• BUTTON_MODE_ID
• BUTTON_SET_ID
• BUTTON_PLAY_ID
• BUTTON_VOLUP_ID
• BUTTON_VOLDOWN_ID
• PIN_KEY1
• PIN_KEY2
• PIN_KEY3
• PIN_KEY4
• PIN_KEY5
• PIN_KEY6
• AUXIN_DETECT_GPIO
• PA_ENABLE_GPIO
• GREEN_LED_GPIO
• RED_LED_GPIO