![2.4GPIO Setting](/images/new-backgrounds/125091/12509123x1.webp)
EVB7400
2.4GPIO Setting
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| Setting |
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| Setting |
PIN | Shared | Initial | Board Setting | Value | PIN | Shared | Initial | Board Setting | Value |
GP00 | CUTXD1 | N,I | UART1 | S, O | GP27 | EXT_TCLK0 | N,I | Ext Timer0 Clk | S, I |
GP01 | CURXD1 | N,I | UART1 | S, O | GP28 | EXT_TCLK1 | N,I | LED 2 | N, O |
GP02 | CUTXD2 | N,I | UART2 | S, O | GP29 | EXT_TCLK2 | N,I | LED 3 | N, O |
GP03 | CURXD2 | N,I | UART2 | S, O | GP30 | HUARTnDCD4 | N,I | NFIO0 | N, I |
GP04 | CUTXD3 | N,I | UART3/NFWEN | S, O | GP31 | HUARTnCTS4 | N,I | NFIO1 | N, I |
GP05 | CURXD3 | N,I | UART3/NFWRN | S, O | GP32(0) | HUARTnRTS4 | N,I | NFIO2 | N, I |
GP06 | CUTXD4 | N,I | UART4/NFALEN | S, O | GP33(1) | HUARTnDSR4 | N,I | NFIO3 | N, I |
GP07 | CURXD4 | N,I | UART4/NFCLEN | S, O | GP34(2) | HUARTnDTR4 | N,I | NFIO4 | N, I |
GP08 | nBE[0] | N,I | SRAM(nBE0) | S, O | GP35(3) | EXINT2 | N,I | Ext Int2 Test | S, I |
GP09 | nBE[1] | N,I | SRAM(nBE1) | S, O | GP36(4) | EXINT3 | N,I | NFIO5 | N, I |
GP10 | TOUT[0] | N,I | Timer0 TOUT0 | S, O | GP37(5) | TOUT[2] | N,I | NFIO6 | N, I |
GP11 | TOUT[1] | N,I | SPI SS# | N, O | GP38(6) | TOUT[3] | N,I | NFIO7 | N, I |
GP12 | TX_ERR | S,0 | LED 0 | N, O | GP39(7) | DLRCK | N,I | DLRCK | S, O |
GP13 | NTRST | S,I | JTAG(nTRST) | S, I | GP40(8) | DBCK | N,I | DBCK | S, O |
GP14 | ECSN2 | S,O | SRAM(ECSN2) | S, O | GP41(9) | DMCK | N,I | DMCK | S, O |
GP15 | ECSN3/CE1# | S,O | PCMCIA(CE1#) | S, O | GP42(10) | DDATA | N,I | DDATA | S, O |
GP16 | SPIMISO | N,I | SPI MISO/NFCEN | S, I |
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GP17 | SPIMOSI | N,I | SPI MOSI/NFRDN | S, O |
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GP18 | SPICLK | N,I | SPI Clock/NFRBN | S, O |
| S : Special |
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GP19 | EXINT0 | N,I | Ext Int0 Test | S, I |
| N : Noraml |
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GP20 | EXINT1 | N,I | PCMCIA IRQ | S, I |
| I : Input |
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GP21 | EXT_UCLK | N,I | LED 1 | N, O |
| O : Output |
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GP22 | REG#/DLRCK | N,I | PCMCIA REG#/DLRCK | S, O |
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GP23 | CE2#/DBCK | S,O | PCMCIA CE2#/DBCK | S, O |
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GP24 | IORD#/DMCK | N,I | PCMCIA IORD#DMCK | S, O | 1) GP22 ~GP25 는 7400P 의 경우 PCMCIA 와 DAC 을 |
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GP25 | IOWR#/DDATA | N,I | PCMCIA IOWR#/DDATA | S, O |
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GP26 | ENWAIT | N,I | PCMCIA ENWAIT | S, O | 선택적으로 사용 |
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User’s Manual V.0.10 | 12/36 |
Copyright © 2004 MCS LOGIC Limited. All rights reserved