LTT-MX8M-SOM100管脚说明

Num

Pin Name

BGA621

E10-E19	DCDC_5V				5V	5V input
E20-E29	GND				0V
E30-E39	DCDC_5V				5V	5V input
E40-E49	GND				0V
1	NVCC_SNVS_3V3				3.3V	3.3V output
2	NVCC_SAI1_3V3				3.3V	3.3V output
3	HDMI_DDC_SDA	P3	HDMI_DDC_SDA	Default
4	SYS_nRST
5	HDMI_DDC_SCL	R3	HDMI_DDC_SCL	Default
6	ONOFF	W21	ON/OFF	Default
7	HDMI_CEC	W3	HDMI_CEC	Default
8	POR_B	W20	POR_B	Default	3.3V	4.7K pull up on SOM
9	HDMI_HPD	W2	HDMI_HPD	Default
10	BOOT_MODE0	W6	BOOT_MOD[0]	Default	3.3V
11	GND				0V
12	BOOT_MODE1	V6	BOOT_MOD[1]	Default	3.3V
13	HDMI_CLKN
14	GND
15	HDMI_CLKP
16	JTAG_TDO	U5	JTAG_TDO	Default	3.3V
17	GND
18	JTAG_nTRST	U6	JTAG_nTRST	Default	3.3V
19	HDMI_TXN2	N1	HDMI_TXN2	Default
20	JTAG_TMS	V5	JTAG_TMS	Default	3.3V
21	HDMI_TXP2	N2	HDMI_TXP2	Default
22	JTAG_TDI	25	JTAG_TDI	Default	3.3V
23	GND
24	JTAG_TCK	T5	JTAG_TCK	Default	3.3V	10K pull down on SOM
25	HDMI_TXN1	U1	HDMI_TXN1	Default
26	GND
27	HDMI_TXP1	U2	HDMI_TXP1	Default
28	SAI5_RXFS	N4	GPIO3_IO19	Default	3.3V
			SAI5_RX_SYNC	ALT0
			SAI1_TX_DATA0	ALT1
			GPIO3_IO19	ALT2
29	GND
30	SAI5_MCLK	A3	GPIO4_IO20	Default	3.3V
			SAI1_MCLK	ALT0
			SAI5_MCLK	ALT1
			GPIO4_IO20	ALT2
31	HDMI_TXN0	T2	HDMI_TXN0	Default
32	SAI5_RXC	L5	GPIO3_IO20	Default	3.3V
			SAI1_TX_DATA1	ALT0
			SAI5_RX_BCLK	ALT1
			GPIO3_IO20	ALT2
33	HDMI_TXP0	T1	HDMI_TXP0	Default
34	SAI5_RXD3	K5	GPIO3_IO24	Default	3.3V
			SAI1_TX_DATA5 ALT0
			SAI1_TX_SYNC ALT1
			SAI5_RX_DATA3 ALT2
			SAI5_TX_DATA0 ALT3
			GPIO3_IO24 ALT4
35	GND