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Rock2/square bb/extension header

< Rock2‎ | square bb
Revision as of 08:06, 3 June 2015 by Hipboi (Talk | contribs)

Rock2 Sqaure has two extension header on board, one is 50pin 2mm extension header for display. It support LVDS and single channel MIPI display with i2c for touch screen. The other is 40 pin 2.54mm extension header for GPIO/SPI/UART /I2C etc.

Rock2-square header.png

J7 (near wifi antenna, 50 pin 2mm)

J7 is mainly used for MIPI and LVDS. There are several pins can be used as GPIO, but not recommended.

J7 (50 Pins)
1 I2C4_SDA_TP GPIO7_C1_d 2 TOUCH_INT GPIO7_A6_u
3 I2C4_SCL_TP GPIO7_C2_d 4 VCC_TP
5 TOUCH_RST GPIO7_A5_d 6 VCC_TP
7 VCC_LCD 8 I2C1_SCL_Sensor GPIO8_A5
9 VCC_LCD 10 I2C1_SDA_Sensor GPIO8_A4
11 LVDS_D5N 12 LVDS_D5P
13 LVDS_D6N 14 LVDS_D6P
15 GND 16 GND
17 LVDS_D7N 18 LVDS_D7P
19 LVDS_D8N 20 LVDS_D8P
21 LVDS_CLK1N 22 LVDS_CLK1P
23 MIPI_TX/RX_D3N 24 MIPI_TX/RX_D3P
25 MIPI_TX/RX_D2N 26 MIPI_TX/RX_D2P
27 MIPI_TX/RX_D1N 28 MIPI_TX/RX_D1P
29 MIPI_TX/RX_D0N 30 MIPI_TX/RX_D0P
31 LVDS_D0N 32 LVDS_D0P
33 LVDS_D1N 34 LVDS_D1P
35 LCD_BL_LVDS 36 BL_EN_LVDS
37 VCC_LEDK 38 VCC_LEDA
39 VCC_LEDK 40 VCC_LEDA
41 LVDS_D2N 42 LVDS_D2P
43 LVDS_D3N 44 LVDS_D3P
45 LVDS_CLK0N 46 LVDS_CLK0P
47 MIPI_TX/RX_CLKN 48 MIPI_TX/RX_CLKP
49 GND 50 GND

J13 (near DC jack, 40 pin 2.54mm)

J13: most pins can be used as GPIO, also multiplexed as SPI, UART, I2C, etc.

J25
1 GND 2 VCC_SYS
3 GPIO3_B5_u 4 GPIO2_A7
5 GPIO3_B4_d 6 GPIO2_A6
7 GPIO3_B3_d 8 GND
9 GPIO3_B2_u 10 GPIO7_B6
11 VCC_18 12 GPIO4_A7
13 VCC_3V 14 VCC18_DVP
15 ADCIN2 GPIO6_A7_d 16 BAT_DET
17 HUB_DM1 18 GPIO8_A0
19 HUB_DP1 20 SPI2_TXD GPIO8_B1
21 I2C1_SDA_Sensor GPIO8_A4 22 SPI2_RXD GPIO8_B0
23 I2C1_SCL_Sensor GPIO8_A5 24 SPI2_CLK GPIO8_A6
25 VCC_IO 26 SPI2_CSn1 GPIO8_A3
27 HSIC_STROBE 28 SPI2_CSn0 GPIO8_A7
29 HSIC_DATA 30 GND
31 GND 32 SPI0_TXD GPIO5_B6_d
33 UART1_RX GPIO5_B0_u 34 SPI0_RXD GPIO5_B7_u
35 UART1_RTS GPIO5_B3_u 36 SPI0_CSn1 GPIO5_C0_u
37 UART1_CTS GPIO5_B2_u 38 SPI0_CSn0 GPIO5_B5_u
39 UART1_TX GPIO5_B1_d 40 SPI0_CLK GPIO5_B4_u