1 2 SFCS1_E R24 NC/10K/0603 D R25 SFCS0 pull high 保留用可不接 NC/10K/0603 D SFDO_E R29 10K/0603 VCC GENITOP FONT ROM R26 SFDI_E NC/10K/0603 SFCL_E jump JP3 C 1 3 5 7 1 3 5 7 VCC U5 SFDO 1 2 3 4 5 6 C66 VCC 7 8 9 0.1uF/0603/50V 10 Method 1 SFCS1 SFDO SFDI SFCL DMA mode from serial flash to display 20PIN FOR GT23L16U2W/GTL24T3Y/GT23L24M1Z/GT23L32S4W R27 NC/10K/0603 SFCS1 SFDO SFDI SFCL GRAPHIC SERIAL FLASH 2 4 6 8 2 4 6 8 SFCS1_E SFDO_E SFDI_E SFCL_E U6 SPI SO/D0 SPI_SI VSS SPI_CS# OE# PLII_A1 D1 SPI D2 D5 D3 D4 VCC SPI_HOLE VSS SPI_CLK VSS VSS D7 D6 20 19 18 17 16 15 14 13 12 11 SFDI SFCS0 SPI_HOLD SFCL 1 2 3 4 0.1uF/0603/50V 5 6 SFCS1_E 7 SFDO_E 8 C65 VCC R31 2K/0603 MX25L128 NC/SO3 VCC NC PO2 PO1 PO0 CS# SO/SO1/PO7 SCLK SI8SO0 PO6 PO5 PO4 PO3 GND WP#/SO2 SERIAL_FLASH16 SO20W R30 VCC 16 SFCL_E 15 SFDI_E 14 13 12 11 10 9 WP SFCS0 4 3 10K/0603 JUMP C R28 NC/10K/0603 VCC Method 2 R271 100K/0603 VCC C661 0.1uF/0603/50V IC10 EN_PIN SFCS1 SFCS1_E EN_PIN SFDO SFDO_E B 1 2 3 4 5 6 7 1OE VCC 1A 4OE 1B 4A 2OE 4B 2A 3OE 2B 3A GND 3B 8PIN FOR GT21L16T1W 14 13 12 11 10 9 8 U7 SFCS0 SFDO VCC L1 BEAD SFCS1_E SFDO_E SFDI_E SFCL_E EN_PIN GND 1 2 3 4 CS# SO NC GND VCC HOLD# SCLK SI 8 7 6 5 SFCS1_E 1 SFDO_E 2 3 WP 4 SPI_HOLD SFCL SFDI 1 2 3 4 5 6 CS# VCC SO NC/HOLD# WP#/SO2 SCLK GND SI/SO0 VCC 8 7 6 5 SFCL_E SFDI_E B SERIAL_FLASH8 GT21L16T1W 74CBTLV3126 External burner port1 VCC U8 EN_PIN SFCL SFCL_E EN_PIN SFDI SFDI_E MX25L16 J2 MX25L32 1 2 3 4 5 6 MX25L64 Method 1 with Port1: EN_PIN = Input VCC ,L1 mount ,Vcc power supply form external programer Method 2 with port1: EN_PIN = Input GND ,L1 unmount, VCC power supply form internal of system or LCM board Method 2 with Port2: EN_PIN = Input GND to switch to program mode ,Vcc power supply form external programer J21 A External burner port2 SFCS1_E SFDO_E SFDI_E SFCL_E VCC GND EN_PIN 1 2 3 4 5 6 7 1 2 3 4 5 6 7 Title Size Number Revision A4 Date: File: 1 A 2 3 19-Apr-2012 Sheet of D:\Mountain_work_space\RAIO_STM32_RA8875_modified\RAIO_STM32_RA8875_KIT.ddb Drawn By: 4