Speaker Connector (Spk1); Spi Connector (Jspi1) - Avalue Technology OFP-21W38 Quick Reference Manual

OFP-21W38
2.4.19

Speaker connector (SPK1)

2.4.20

SPI connector (JSPI1)

54 OFP-21W38 Quick Reference Guide
Signal
SPK_L+
SPK_L-
SPK_R+
SPK_R-
Signal PIN PIN
+V3.3A_1.8A_SPI 1
SPI0_CS0# 3
SPI0_BIOS_MISO 5
BIOS_HOLD# 7
PIN
1
2
3
4
Signal
2 GND
4 SPI0_BIOS_CLK
6 SPI0_BIOS_MOSI
8 BIOS_WP#