Avalue ECM-BYT2 - Manual (Page 29)

ECM-BYT2 User’s Manual
ECM-BYT2 User ’s Manual 29
2.4.17 BIOS SPI connector (BIOS_SPI1)
Signal PIN PIN Signal
+VSPI_BIOS 1 2 GND
SPI_ROM_CS# 3 4 SPI_ROM_CLK
SPI_ROM_MISO_R 5 6 SPI_ROM_MOSI
SPI_HOLD# 7
2.4.18 LCD backlight brightness adjustment (JBLK_CTRL1)
PIN Signal Note
1-2 BLK_VR_MOD VR must select 10K/1%
3-4 BLK_BRI_UP
Low pulse button for
backlight brighter
5-6 BLK_BRI_DN
Low pulse button for
backlight dim