Pin Definition

The X8385CV1 core board uses a 168-pin stamp-hole package. The following tables are split into four groups according to the hardware manual and cover pins 1 to 168.

Core Board Pin Definition 1

Pin No.	Signal	Type	Description
1	RDN0_B	Differential pin	External CSI2 Camera input
2	RDP0_B	Differential pin	External CSI2 Camera input
3	D_GND	Reference ground
4	PWM_A	GPIO90	Multifunction GPIO pin
5	PAD_PERIPHERAL_EN14	GPIO177
6	PAD_PERIPHERAL_EN13	GPIO176
7	AUXIN3	ADC pin
8	PAD_PERIPHERAL_EN9	GPIO166
9	PAD_PERIPHERAL_EN12	GPIO175
10	IDDIG	GPIO41	Used for OTG switching: high level = Device mode, low level = HOST mode
11	PAD_SIM2_SCLK	GPIO37
12	PAD_SIM2_SIO	GPIO35
13	PAD_SIM2_SRST	GPIO36
14	DISP_PWM	GPIO43
15	DSI_TE	GPIO44
16	LCM_RST	GPIO45
17	DRVBUS	USB HOST bus control
18	PAD_PERIPHERAL_EN5	GPIO169
19	SPI1_MI	GPIO161
20	SPI1_CLK	GPIO164
21	SPI1_MO	GPIO163
22	SPI1_CSB	GPIO162
23	MSDC1_CLK	GPIO29
24	MSDC1_CMD	GPIO31
25	MSDC1_DAT0	GPIO32
26	MSDC1_DAT1	GPIO34
27	MSDC1_DAT2	GPIO33
28	MSDC1_DAT3	GPIO30
29	SD_CARD_DET_N	SD detect pin	Not a general-purpose GPIO
30	PWRKEY_SW	Power key pin	Not a general-purpose GPIO
31	ACCDET	Headphone detect	Not a general-purpose GPIO
32	AU_HPR	Right headphone output	Not a general-purpose GPIO
33	AU_REFN	Headphone pin	Not a general-purpose GPIO
34	AU_HPL	Left headphone output	Not a general-purpose GPIO
35	SPK+	Speaker output	Not a general-purpose GPIO
36	SPK-	Speaker output	Not a general-purpose GPIO
37	PAD_CONN_TOP_CLK	GPIO113
38	AU_VIN2_N	Audio differential input	Not a general-purpose GPIO
39	AU_VIN2_P	Audio differential input	Not a general-purpose GPIO
40	AU_VIN1_N	Audio differential input	Not a general-purpose GPIO
41	AU_VIN1_P	Audio differential input	Not a general-purpose GPIO
42	AU_MICBIAS0	Microphone bias pin	Not a general-purpose GPIO
43	AU_MICBIAS1	Microphone bias pin	Not a general-purpose GPIO
44	AU_VIN0_P	Audio differential input	Not a general-purpose GPIO
45	AU_VIN0_N	Audio differential input	Not a general-purpose GPIO
46	VCC_RTC	RTC power pin	2.7V DC input
47	VCAMIO_PMU	LDO output	Software-controlled LDO output

Core Board Pin Definition 2

Pin No.	Signal	Type	Description
48	VCN18_PMU_IT66121	LDO output	Software-controlled LDO output
49	VMCH_SD	LDO output	Software-controlled LDO output
50	VCN33_PMU_IT66121	LDO output	Software-controlled LDO output
51	VIO18_PMU	LDO output	Software-controlled LDO output
52	VSYS	Core board power input	3.1V to 5.25V power input
53	VSYS	Core board power input	3.1V to 5.25V power input
54	D_GND	Reference ground
55	D_GND	Reference ground
56	VIO28_PMU	LDO output	Software-controlled LDO output
57	VLDO28_PMU	LDO output	Software-controlled LDO output
58	VRF12_PMU_IT66121	LDO output	Software-controlled LDO output
59	VCAMD_PMU	LDO output	Software-controlled LDO output
60	BATADC	Battery power detection pin	Not a general-purpose GPIO
61	VBUS	OTG power supply pin
62	DPI_CK	GPIO28	DPI display interface
63	DPI_VSYNC	GPIO26
64	DPI_HSYNC	GPIO25
65	DPI_DE	GPIO27
66	DPI_D0	GPIO13
67	DPI_D1	GPIO14
68	DPI_D2	GPIO15
69	DPI_D3	GPIO16
70	DPI_D4	GPIO17
71	DPI_D5	GPIO18
72	DPI_D6	GPIO19
73	DPI_D7	GPIO20
74	DPI_D8	GPIO21
75	DPI_D9	GPIO22
76	DPI_D10	GPIO23
77	DPI_D11	GPIO24
78	PAD_PERIPHERAL_EN4	GPIO165
79	PAD_PERIPHERAL_EN0	GPIO150
80	PAD_PERIPHERAL_EN1	GPIO151
81	PAD_PERIPHERAL_EN2	GPIO152
82	PAD_SRCLKENA1	GPIO149
83	PAD_PERIPHERAL_EN3	GPIO153
84	PAD_PERIPHERAL_EN7	GPIO159

Core Board Pin Definition 3

Pin No.	Signal	Type	Description
85	PAD_PERIPHERAL_EN6	GPIO158
86	SYSRSTB	Hardware reset pin	Not a general-purpose GPIO
87	SDA6	GPIO12
88	SCL6	GPIO11
89	DSI0_CKN	MIPI display differential line	Not a general-purpose GPIO
90	DSI0_CKP	MIPI display differential line	Not a general-purpose GPIO
91	DSI0_D3N	MIPI display differential line	Not a general-purpose GPIO
92	DSI0_D3P	MIPI display differential line	Not a general-purpose GPIO
93	DSI0_D2N	MIPI display differential line	Not a general-purpose GPIO
94	DSI0_D2P	MIPI display differential line	Not a general-purpose GPIO
95	DSI0_D1N	MIPI display differential line	Not a general-purpose GPIO
96	DSI0_D1P	MIPI display differential line	Not a general-purpose GPIO
97	DSI0_D0N	MIPI display differential line	Not a general-purpose GPIO
98	DSI0_D0P	MIPI display differential line	Not a general-purpose GPIO
99	D_GND	Reference ground
100	SSUSB_TXP	USB3.0 differential pair	Not a general-purpose GPIO
101	SSUSB_TXN	USB3.0 differential pair	Not a general-purpose GPIO
102	SSUSB_RXP	USB3.0 differential pair	Not a general-purpose GPIO
103	SSUSB_RXN	USB3.0 differential pair	Not a general-purpose GPIO
104	USB_DP	USB 2.0 differential pair	Not a general-purpose GPIO
105	USB_DM	USB 2.0 differential pair	Not a general-purpose GPIO
106	D_GND	Reference ground
107	PAD_PERIPHERAL_EN8	GPIO160
108	EINT4	GPIO4
109	EINT1	GPIO1
110	EINT0	GPIO0
111	EINT2	GPIO2
112	PAD_KPCOL1	GPIO94
113	EINT7	GPIO7
114	PAD_INT_SIM2	GPIO46
115	PAD_INT_SIM1	GPIO47
116	I2S1_BCK	GPIO170
117	I2S1_DO	GPIO172
118	I2S1_MCK	GPIO173
119	I2S1_LRCK	GPIO171
120	PAD_CAM_RST3	GPIO112	UTXD1/SDA7
121	PAD_CAM_PDN3	GPIO110	URXD1/SCL7
122	CAM_CLK3	GPIO111
123	CAM_CLK0	GPIO99
124	EINT10	GPIO10
125	KPROW0	GPIO92
126	KPROW1	GPIO91
127	KPCOL0	GPIO93
128	PAD_ANT_SEL1	GPIO156
129	SDA3	GPIO51
130	SCL3	GPIO50
131	SCL5	GPIO48

Core Board Pin Definition 4

Pin No.	Signal	Type	Description
132	SDA5	GPIO49
133	SDA4	GPIO106
134	SCL4	GPIO105
135	SDA2	GPIO104
136	SCL2	GPIO103
137	URXD0	GPIO95
138	UTXD0	GPIO96
139	PAD_PERIPHERAL_EN11	GPIO179
140	SDA0	GPIO82
141	SCL0	GPIO83
142	SDA1	GPIO81
143	SCL1	GPIO84
144	CAM_CLK1	GPIO100
145	PAD_CAM_RST1	GPIO102
146	PAD_CAM_PDN1	GPIO98
147	RCN_A	Differential pin	External CSI1 camera input
148	RCP_A	Differential pin	External CSI1 camera input
149	RDN0_A	Differential pin	External CSI1 camera input
150	RDP0_A	Differential pin	External CSI1 camera input
151	RDP1_A	Differential pin	External CSI1 camera input
152	RDN1_A	Differential pin	External CSI1 camera input
153	RDN2_A	Differential pin	External CSI1 camera input
154	RDP2_A	Differential pin	External CSI1 camera input
155	RDP3_A	Differential pin	External CSI1 camera input
156	RDN3_A	Differential pin	External CSI1 camera input
157	D_GND	Reference ground
158	CAM_CLK2	GPIO108
159	CAM_PDN2	GPIO107
160	CAM_RST2	GPIO109
161	RCN_B	Differential pin	External CSI2 Camera input
162	RCP_B	Differential pin	External CSI2 Camera input
163	RDN3_B	Differential pin	External CSI2 Camera input
164	RDP3_B	Differential pin	External CSI2 Camera input
165	RDN2_B	Differential pin	External CSI2 Camera input
166	RDP2_B	Differential pin	External CSI2 Camera input
167	RDN1_B	Differential pin	External CSI2 Camera input
168	RDP1_B	Differential pin	External CSI2 Camera input