LX2162A SOM pinout

J3 Header

	Notes	Driving IC	IC ball number	Schematics Pin Name	Pin Number	Pin Number	Schematics Pin Name	IC ball number	Driving IC	Notes
1				PWR_OK	2	1	EVT0_B	T4	1.8V, GPIO_3[12], 4.7K Pull-up	SMB_ALERT#
2				VBAT	4	3	EVT1_B	T6	1.8V, GPIO_3[13], 4.7K Pull-up	THRM#
3				5V	6	5	EVT2_B	U5	1.8V, GPIO_3[14], 4.7K Pull-up
4				5V	8	7	EVT4_B	AA3	1.8V, GPIO_3[16], 4.7K Pull-up
5	PROC_TMS	LX2162A	E21	DUT_TMS	10	9	EVT3_B	Y4	1.8V, GPIO_3[15], 4.7K Pull-up
6	PROC_TCK	LX2162A	E23	DUT_TCK	12	11	TA_BB_VDD
7				3.3V	14	13	TMP_DETECT_B	Y6	1.8V, 4.7K Pull-up
8	PROC_TDI	LX2162A	F20	DUT_TDI	16	15	OVDD
9				I2C_MASTER_SCL	18	17	V_2.5
10				I2C_MASTER_SDA	20	19	V_2.5
11	PROC_TDO	LX2162A	E19	DUT_TDO	22	21	I2C1_SCL_3p3		NTSX2102GD, 2.2K Pull-up
12				TA_PROG_SFP	24	23	I2C1_SDA_3p3		NTSX2102GD, 2.2K Pull-up
13	FTM1_CH4 / GPIO_3[0]	1.8V, 4.7K Pull-up	R5	PROC_IRQ0	26	25	SPI_D0_1v8
14				SPI_MUX_1v8_3v3	28	27	SPI_D1_1v8
15				SPI_CS_B_1v8	30	29	SPI_SCK_1v8

J2 Header

	Notes	Driving IC	IC ball number	Schematics Pin Name	Pin Number	Pin Number	Schematics Pin Name	IC ball number	Driving IC	Notes
1	Diff 100 Ohm	AR8035		MDI_P0	2	1	12V
2	Diff 100 Ohm	AR8035		MDI_N0	4	3	12V
3				GND	6	5	12V
4	Diff 100 Ohm	AR8035		MDI_P1	8	7	12V
5	Diff 100 Ohm	AR8035		MDI_N1	10	9	12V
6				GND	12	11	12V
7	Diff 100 Ohm	AR8035		MDI_P2	14	13	12V
8	Diff 100 Ohm	AR8035		MDI_N2	16	15	12V
9				GND	18	17	GND
10	Diff 100 Ohm	AR8035		MDI_P3	20	19	SYS_RESET_IN_1v8#		PT7M3808G01
11	Diff 100 Ohm	AR8035		MDI_N3	22	21	SYSRST_OUT_3v3#		MC74VHC1GT08
12				GND	24	23	PROC_EC2_RXD0	AW3	LX2162A	TSEC_1588_TRIG_IN2 / GPIO_4[21]
13		AR8035		GBE0_LINK1000#	26	25	PROC_EC2_RXD1	AV2	LX2162A	TSEC_1588_PULSE_OUT1 / GPIO_4[20]
14		AR8035		GBE0_ACT#	28	27	PROC_EC2_RXD2	AU1	LX2162A	GPIO_4[19]
15		AR8035		GBE0_LINK#	30	29	PROC_EC2_RXD3	AR1	LX2162A	GPIO_4[18]
16		1.8V, CFG_RCW_SRC3, 10K Pull-up	AH6	CFG_RCW_SRC3	32	31	PROC_EC2_RX_CLK	AR3	LX2162A	TSEC_1588_CLK_IN / GPIO_4[22]
17	CFG_RCW_SRC0	LX2162A	AH4	UART2_TXD_1v8	34	33	GND
18		LX2162A	AE3	UART2_RXD_1v8	36	35	I1588_TRIG_IN1	AW1	LX2162A	TSEC_1588_TRIG_IN1 / GPIO_4[23]
19	PWRBTN#	1.8V, GPIO3[6], 4.7K Pull-up		PROC_IRQ6	38	37	I1588_ALARM_OUT2	AR5	LX2162A	TSEC_1588_ALARM_OUT2 / GPIO_4[12]
20	ASLEEP / EVT9_B / GPIO_2[6]	1.8V, 10K Pull-up	AC1	CFG_RCW_SRC2	40	39	I1588_CLK_OUT	AU3	LX2162A	TSEC_1588_CLK_OUT / GPIO_4[14] / EC2_TXD1_S
21	LX2162A_RCLK0		AV6	IEEE_RCLK0	42	41	I1588_PULSE_OUT2	AU5	LX2162A	TSEC_1588_PULSE_OUT2 / GPIO_4[15] / EC2_TXD0_S
22	LX2162A_RCLK1		AT6	IEEE_RCLK1	44	43	I1588_ALARM_OUT1	AT4	LX2162A	TSEC_1588_ALARM_OUT1 / GPIO_4[13] / EC2_TXD2_S
23	GPIO_3[10]	1.8V, 4.7K Pull-up	U3	PROC_IRQ10	46	45	UART1_TXD_1v8	AD4	LX2162A	CFG_RCW_SRC1
24	SUS_S5#	1.8V, 4.7K Pull-up	R1	PROC_IRQ7	48	47	UART1_RXD_1v8	AC3	LX2162A
25		1.8V, 2.2K Pull-up	AG1	EMI2_MDC	50	49	PROC_IRQ11	U1	LX2162A
26		1.8V, 2.2K Pull-up	AG3	EMI2_MDIO	52	51	EMI1_3V3_MDC		NTSX2102GD
27		LX2162A	W5	TA_BB_TMP_DETECT_B	54	53	EMI1_3V3_MDIO		NTSX2102GD
28	GPIO_4[17] / EC2_GTX_CLK_S	LX2162A	AP6	PROC_EC2_GTX_CLK	56	55	FAN_TACHIN
29				GND	58	57	PROC_EC2_TX_EN	AV4	LX2162A	GPIO_4[16] / EC2_TX_CTL_S
30		NVT4857UK		SD_CMD	60	59	PROC_IRQ9	AA1	1.8V, 4.7K Pull-up
31		NVT4857UK		SD_D0	62	61	PROC_IRQ5	W1	1.8V, 4.7K Pull-up
32		NVT4857UK		SD_D1	64	63	PROC_IRQ1	P2	1.8V, 4.7K Pull-up
33		NVT4857UK		SD_D2	66	65	I2C3_SCL	P6	LX2162A
34		NVT4857UK		SD_D3	68	67	I2C3_SDA	N6	LX2162A
35		NVT4857UK		SD_CD	70	69	I2C5_SDA	K2	LX2162A
36		NVT4857UK		SD_CLK	72	71	I2C5_SCL	J1	LX2162A
37	Diff 90 Ohm	LX2162A	A5	USB_SSRX0+	74	73	USB0+	A9	LX2162A	Diff 90 Ohm
38	Diff 90 Ohm	LX2162A	B6	USB_SSRX0-	76	75	USB0-	B10	LX2162A	Diff 90 Ohm
39	Diff 90 Ohm	LX2162A	A7	USB_SSTX0+	78	77	GND
40	Diff 90 Ohm	LX2162A	B8	USB_SSTX0-	80	79	FAN_PWM

J1 Header*

	Notes	Driving IC	IC ball number	Schematics Pin Name	Pin Number	Pin Number	Schematics Pin Name	IC ball number	Driving IC	Notes
1				GND	2	1	GND
2	Diff 100 Ohm	LX2162A	BG7	SD1_RX3_P	4	3	SD1_TX3_P	BE9	LX2162A	Diff 100 Ohm *DC block capacitor required
3	Diff 100 Ohm	LX2162A	BH8	SD1_RX3_N	6	5	SD1_TX3_N	BD10	LX2162A	Diff 100 Ohm *DC block capacitor required
4				GND	8	7	GND
5	Diff 100 Ohm	LX2162A	BG5	SD1_RX2_P	10	9	SD1_TX2_P	BE7	LX2162A	Diff 100 Ohm *DC block capacitor required
6	Diff 100 Ohm	LX2162A	BH6	SD1_RX2_N	12	11	SD1_TX2_N	BD8	LX2162A	Diff 100 Ohm *DC block capacitor required
7				GND	14	13	GND
8	Diff 100 Ohm	LX2162A	BC1	SD1_RX1_P	16	15	SD1_TX1_P	BC5	LX2162A	Diff 100 Ohm *DC block capacitor required
9	Diff 100 Ohm	LX2162A	BD2	SD1_RX1_N	18	17	SD1_TX1_N	BD4	LX2162A	Diff 100 Ohm *DC block capacitor required
10				GND	20	19	GND
11	Diff 100 Ohm	LX2162A	BA1	SD1_RX0_P	22	21	SD1_TX0_P	BA5	LX2162A	Diff 100 Ohm *DC block capacitor required
12	Diff 100 Ohm	LX2162A	BB2	SD1_RX0_N	24	23	SD1_TX0_N	BB4	LX2162A	Diff 100 Ohm *DC block capacitor required
13				GND	26	25	GND
14	Diff 100 Ohm	LX2162A	BG9	SD2_RX0_P	28	27	SD2_TX0_P	BE11	LX2162A	Diff 100 Ohm *DC block capacitor required
15	Diff 100 Ohm	LX2162A	BH10	SD2_RX0_N	30	29	SD2_TX0_N	BD12	LX2162A	Diff 100 Ohm *DC block capacitor required
16				GND	32	31	GND
17	Diff 100 Ohm	LX2162A	BG11	SD2_RX1_P	34	33	SD2_TX1_P	BE13	LX2162A	Diff 100 Ohm *DC block capacitor required
18	Diff 100 Ohm	LX2162A	BH12	SD2_RX1_N	36	35	SD2_TX1_N	BD14	LX2162A	Diff 100 Ohm *DC block capacitor required
19				GND	38	37	GND
20	Diff 100 Ohm	LX2162A	BG13	SD2_RX2_P	40	39	SD2_TX2_P	BE15	LX2162A	Diff 100 Ohm *DC block capacitor required
21	Diff 100 Ohm	LX2162A	BH14	SD2_RX2_N	42	41	SD2_TX2_N	BD16	LX2162A	Diff 100 Ohm *DC block capacitor required
22				GND	44	43	GND
23	Diff 100 Ohm	LX2162A	BG15	SD2_RX3_P	46	45	SD2_TX3_P	BE17	LX2162A	Diff 100 Ohm *DC block capacitor required
24	Diff 100 Ohm	LX2162A	BH16	SD2_RX3_N	48	47	SD2_TX3_N	BD18	LX2162A	Diff 100 Ohm *DC block capacitor required
25				GND	50	49	GND
26	Diff 100 Ohm / SD2_PLLF_REF_CLK_P	*100M HCSL required	BG19	CLK_SLOT1_P	52	51	CLK_161_BYP_P			Not Connected
27	Diff 100 Ohm/ SD2_PLLF_REF_CLK_N	*100M HCSL required	BH20	CLK_SLOT1_N	54	53	CLK_161_BYP_N			Not Connected
28				GND	56	55	GND
29	Diff 100 Ohm	LX2162A	BG23	SD2_RX4_P	58	57	SD2_TX4_P	BE23	LX2162A	Diff 100 Ohm *DC block capacitor required
30	Diff 100 Ohm	LX2162A	BH24	SD2_RX4_N	60	59	SD2_TX4_N	BD24	LX2162A	Diff 100 Ohm *DC block capacitor required
31				GND	62	61	GND
32	Diff 100 Ohm	LX2162A	BG25	SD2_RX5_P	64	63	SD2_TX5_P	BE25	LX2162A	Diff 100 Ohm *DC block capacitor required
33	Diff 100 Ohm	LX2162A	BH26	SD2_RX5_N	66	65	SD2_TX5_N	BD26	LX2162A	Diff 100 Ohm *DC block capacitor required
34				GND	68	67	GND
35	Diff 100 Ohm	LX2162A	BG27	SD2_RX6_P	70	69	SD2_TX6_P	BE27	LX2162A	Diff 100 Ohm *DC block capacitor required
36	Diff 100 Ohm	LX2162A	BH28	SD2_RX6_N	72	71	SD2_TX6_N	BD28	LX2162A	Diff 100 Ohm *DC block capacitor required
37				GND	74	73	GND
38	Diff 100 Ohm	LX2162A	BG29	SD2_RX7_P	76	75	SD2_TX7_P	BE29	LX2162A	Diff 100 Ohm *DC block capacitor required
39	Diff 100 Ohm	LX2162A	BH30	SD2_RX7_N	78	77	SD2_TX7_N	BD30	LX2162A	Diff 100 Ohm *DC block capacitor required
40				GND	80	79	GND

*No DC blocking capacitor on any of the SerDes lanes

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