Download Chapter 2 Altera DE2
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10 11 W M.T .100 O W C WW .100Y. .TW .TW M M O W DE2-70 User Manual O W Y.C WW .100Y.C M.TW 0 T . 0 O W W.1 Y.COM W W WW .100Y.C M.TW 0 W T . 0 M O W.1Serial WW 00Y.CO .TW C . W 5.9 RS-232 Port W Y W W 0 W T . 0 M .1 M .1 W M.T O W CO . O W C W . Y W C W 0 Y W .Tconnector for RS-232 W board .uses .T transceiver chip and 1a09-pin D-SUB 00 the ADM3202 M . .TWThe DE2-70 1 M O W M O W C . O W C . C communications. to use the refer 0Y .TWto the datasheet, WW For.1detailed .TW on howW 10transceiver 00Y information M . .TW M O W M O W manufacturer’s O W Datasheet/RS232 which web site, or W in the W 0Y.C Mfolder Y.C .TW on the DE2-70 W is available 0 0 Y.C WW on the T . 1 0 T . . 1 M . O W M O the related schematics, W .C 5.13 lists O System CD-ROM. Figure 5.15 shows Table WW and .TWthe Cyclone II 00Y WW .100Y.C M.TW 1 0Y.C M.TW M . O FPGA pin assignments. WW 00Y.CO .TW WW 00Y.CO .TW C . W W Y W 00 .1 W.1 Y.COM W M.T OM W O W C . W C W Y W W Y. W 330 RXD.100LEDR M.T .100 M.T R44 UART_RXD O 100 W M.T O W C . O J2 W Y.C WW .100Y .T W Y.C WWTXD .100LEDG TW VCC33 . 5 0 T M . 0 M O 1 W UART_TXD R45 330 M . 9 O W C . O W 4 WW .100Y .TW W Y.C WW .100Y.C M.TW 0 T U7 . 8M 0 O 1 W M O 12 R1OUT 13WRXD W. R1IN W WW UART_RXD W .CO .TW 0Y.C 37 M.TW Y.C UART_RTS RTS 9.TR2OUT 8 0 0 Y W R2IN 1 0 0 . TXD .1 W M .1 0 T1OUT 14 OM1110 T1IN WUART_TXD .C26O .TW CTS UART_CTS W C 7 . Y W T2IN T2OUT W 0 Y W WW 00Y.CO .TW 0 W .T 100 1u OM .C9 W.1 Y.1COMRS232 W 1 C+ M .1 W O W W C ADM3202 . W 3 .C Y W W .TW VCC 16 WVCC33 W.100 M.T .TW 100 1u O45MC100Y . C2+ O 1 M . BC32 0.1u C10 15 W C O W C2VCC33 W GND WW .100Y. .TW WW .100Y.C 26 M V+ .T WW .100Y.C M.TW M O W O W CO V- TW WW C11 Y.C12 WW .100Y.C M.TW BC33 W 0 . 0 WW .100Y.C M.TW OM W.11u Y O WW 00Y.CO .TW W 0.1u 1u.C W C W . W W W 0 Y W T . 0 W M .1 M .1 W M.T .100 O W .CO .TW O W W C . Y W C W . 0 Y W W W Y W W M M.Tchip schematic. WW.10 .100 (RS-232) M.T .100 O W Figure 5.15. MAX232 .CO .TW O W C . Y W C W . 0 Y W W W Y W W .10 M.T .100 OM W M.T .100 O W C . O W W C . Y W C W . 0 Y W .TW W .T 10 00 WW .100Y M . .TW 1 Signal Name FPGA Pin No. Description M . O W M O W O W W WW .100Y.C M.TW W WW .100Y.C UART T . WW .100Y.C UART_RXD T PIN_D21 Receiver . M W OM WW 00Y.CO .TW W .CO .TW W C . Y W W W 0 Y W UART_TXD PIN_E21 UART Transmitter W .10 W.1 Y.COM W M.T .100 OM W O W W C . W C W Clear Send .TtoW WW .100Y. UART_CTS M.T .100 .TW PIN_G22W W.100Y UART M O W M O C . O W .C Request.TtoW WW .100Y UART_RTS W PIN_F23 WW Send .TW 0YUART 0 WW .100Y.C T M . 1 M . O W OM W WW 00Y.CO .TW WW .100Y.C M.TW WW .100Y.C M.TWTable 5.13.WRS-232 .pin OM W 1 assignments. O WW 00Y.CO .T W C . W C W . Y W W W Y W W M.T .100 W.1 Y.COM M.T .100 O W O W W C . W .C Y W W W .TW M. .100 .TW 100 00Y Port M . O 1 W M . 5.10W PS/2 Serial O W C O W WW .100Y. WW .100Y.C M.TW WW .100Y.C M.TW M W O for a PS/2 keyboard orWmouse. W a connector .CO Oa standard PS/2 interface The DE2-70 board and W includes C . Y W C W . 0 Y W W W 0 W .T 00 W 00Y Mboard .1the Wan.1 Y.CO M.Tkeyboard and mouse .1can O In addition, users use C theOPS/2 on DE2-70 simultaneously by W W W C . . W WW .100Y .TWcircuit. Instructions WW .PS/2 .100 .TW 5.16 shows 00YY-Cable.MFigure M O 1 W plug an extension the schematic of the PS/2 O W O W W .C Y.C W C W . 0 Y W W W 0 0 Y W T . 0 .T 00 for using aW PS/2 mouse appropriate search on variousW.1 OM W.1 an OM can be found by performing W.1 orYkeyboard C . W C W . Y WW .100Y.C W W for the associated 0 W T . 0 0 W sites..The T educational web pin assignments interface are shown in Table 5.14. . 1 0 M . WW 00Y. W 1 Y.COM W WW 00Y.CO .TW W W W W W.1 Y M.T .100 W.1 Y.COM W O W W W C . W W .T 100 00 WW .100Y . .TW 1 M . W M O W O W WW .100 WW .100Y.C M.TW WW .100Y.C M.TW O WW W WW 00Y.CO .TW C . W W W Y W W M .1 M.T 49 .100 O W WW 00Y.CO .TW C . W W Y W W M .1 M.T .100 O W WW 00Y.CO C . W W Y W W M.T .100 W.1 O W W C . W W Y W W M.T .100 O W W W Y.C