![GOWIN DK-START-GW2A55-PG484 V1.3 Скачать руководство пользователя страница 18](http://html.mh-extra.com/html/gowin/dk-start-gw2a55-pg484-v1-3/dk-start-gw2a55-pg484-v1-3_user-manual_2248359018.webp)
3 Development Board Circuit
3.2 Download Module
DBUG375-1.2E
9(34)
Figure 3-1 Connection Diagram of FPGA Downloading and Configuration
FLASH_SPI_MISO
FLASH_SPI_MOSI
FLASH_SPI_CS_N
FLASH_SPI_CLK
JTAG_TCK
JTAG_TDO
JTAG_TDI
JTAG_TMS
USB-to-
JTAG Chip
USB_D+
USB_D-
Configuration
FLASH
By configuring EEPROM chip, the B channel of FT2232 can be
configured as an asynchronous FIFO interface. The connection diagram is
follows.
Figure 3-2 Asynchronous FIFO Connection Diagram
EEDATA
EECLK
EECS
FTDI_RD#
FTDI_TXE#
FTDI_RXF#
FIFO_D[7:0]
USB to
FIFO
USB_D+
USB_D-
Configuration
EEPROM
FTDI_SIWU#
FTDI_WR#
3.2.2
Pinout
Table 3-1 FPGA Download and Pinout
Name
FPGA Pin No. BANK
I/O Level
Description
JTAG_TCK
N20
2
3.3V
JTAG Signal
JTAG_TDO
M22
2
3.3V
JTAG Signal
JTAG_TDI
M20
2
3.3V
JTAG Signal
JTAG_TMS
N22
2
3.3V
JTAG Signal
FLASH_SPI_MISO
P19
3
1.5V
Configure
FLASH Signal
FLASH_SPI_MOSI
P20
3
1.5V
Configure
FLASH Signal
Содержание DK-START-GW2A55-PG484 V1.3
Страница 1: ...DK START GW2A55 PG484_V1 3 User Guide DBUG375 1 2E 09 01 2021 ...
Страница 44: ......