参数资料
型号: P0304
厂商: Terasic Technologies Inc
文件页数: 52/93页
文件大小: 0K
描述: DE2-70 CALL FOR ACADEMIC PRICING
标准包装: 1
类型: FPGA
适用于相关产品: Cyclone II 2C70
所含物品: DE2-70 板,电源,线缆,塑料盖和软件
配用: P0033-ND - BOARD ADAPTER HSMC TO GPIO
P0006-ND - BOARD ADAPTER THDB-SUM
P0001-ND - MODULE DIGITAL CAMERA 5MP (D5M)
P0307-ND - KIT DEV 4.3" LCD TOUCH PANEL
相关产品: 544-2147-ND - IC CYCLONE II FPGA 70K 896-FBGA
544-2146-ND - IC CYCLONE II FPGA 70K 896-FBGA
544-2145-ND - IC CYCLONE II FPGA 70K 896-FBGA
544-2144-ND - IC CYCLONE II FPGA 70K 896-FBGA
544-2143-ND - IC CYCLONE II FPGA 70K 672-FBGA
544-2142-ND - IC CYCLONE II FPGA 70K 672-FBGA
544-2141-ND - IC CYCLONE II FPGA 70K 672-FBGA
544-2140-ND - IC CYCLONE II FPGA 70K 672-FBGA
544-1696-ND - IC CYCLONE II FPGA 70K 896-FBGA
544-1695-ND - IC CYCLONE II FPGA 70K 896-FBGA
更多...
其它名称: DE2-70

DE2-70 User Manual
5.9 RS-232 Serial Port
The DE2-70 board uses the ADM3202 transceiver chip and a 9-pin D-SUB connector for RS-232
communications. For detailed information on how to use the transceiver refer to the datasheet,
which is available on the manufacturer ’s web site, or in the Datasheet/RS232 folder on the DE2-70
System CD-ROM . Figure 5.15 shows the related schematics, and Table 5.13 lists the Cyclone II
FPGA pin assignments.
RXD
LEDR
R44
330
UART_RXD
J2
VCC33
R45
330
TXD
LEDG
UART_TXD
5
9
4
U7
8
UART_RXD
UART_RTS
UART_TXD
UART_CTS
12
9
11
10
R1OUT
R2OUT
T1IN
T2IN
R1IN
R2IN
T1OUT
T2OUT
13
8
14
7
RXD
RTS
TXD
CTS
3
7
2
6
1
VCC33
C9
C10
1u
1u
1
3
4
5
2
6
C+ ADM3202
C1-
C2+
C2-
V+
V-
VCC
GND
16
15
VCC33
BC32 0.1u
RS232
BC33
0.1u
C11
1u
C12
1u
Figure 5.15. MAX232 (RS-232) chip schematic.
Signal Name
UART_RXD
UART_TXD
UART_CTS
UART_RTS
FPGA Pin No.
PIN_D21
PIN_E21
PIN_G22
PIN_F23
Description
UART Receiver
UART Transmitter
UART Clear to Send
UART Request to Send
Table 5.13. RS-232 pin assignments.
5.10 PS/2 Serial Port
The DE2-70 board includes a standard PS/2 interface and a connector for a PS/2 keyboard or mouse.
In addition, users can use the PS/2 keyboard and mouse on the DE2-70 board simultaneously by an
plug an extension PS/2 Y-Cable. Figure 5.16 shows the schematic of the PS/2 circuit. Instructions
for using a PS/2 mouse or keyboard can be found by performing an appropriate search on various
educational web sites. The pin assignments for the associated interface are shown in Table 5.14.
49
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