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Following is a pinout for the LX2162A SOM, alternatively you can download this as Excel version.

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

atlassian-#DEEBFF

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*No DC blocking capacitor on any of the SerDes lanes

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Versions Compared

Old Version 5

New Version Current

Key

J3 Header

J2 Header

J1 Header*