User Guide

40
No. PORT
DN-C640
Connection
Function I/O DET Ext Ini Res
A1 CSN[7] CSN7 O PU Pd –– No Use NC
A2 DA[28] DA28 I/O PU
––– Memory Data Bus 28 ROM/RAM
A3 AD[18] AD18 O
–––– Memory Address Bus 18 ROM/RAM
A4 DD[8] DD8 I/O PU
––– IDE Data Bus 8 IDE
A5 DD[4] DD4 I/O PU
––– IDE Data Bus 4 IDE
A6 AD[17] AD17 O
–––– Memory Address Bus 17 ROM/RAM
A7 RDN RDN O
–––– MEMORY& Ext. I/O Ctrl MEMORY& Ext. I/O
A8 RXCLK RXCLK I PD
––– PHY Receive Clock 78Q2120
A9 MIIRXD[0] MIIRXD0 I PD
––– PHY Receive Data0 78Q2120
A10 RXDVAL RXDVAL I PD Pd
–– PHY Receive Data Valid 78Q2120
A11 MIITXD[2] MIITXD2 O PD
––– PHY Transmit Data2 78Q2120
A12 TXERR TXERR O PD
––– PHY Transmit Error 78Q2120
A13 CLD CLD I PU Pu
–– PHY Collision Detect (col) 78Q2120
A14 NC No Use NC
A15 NC No Use NC
A16 NC No Use NC
A17 EGPIO[12] USB_EOT O PU Pu
–– No Use NC
A18 EGPIO[15] ID_DASP- I PU
––– IDE_DASP(IDE Pu) IDE
A19 NC No Use NC
A20 NC No Use NC
B1 CSN[2] CS2- O PU
––– No Use NC
B2 DA[31] DA31 I/O PU
––– Memory Data Bus 31 ROM/RAM
B3 DA[30] DA30 I/O PU
––– Memory Data Bus 30 ROM/RAM
B4 DA[27] DA27 I/O PU
––– Memory Data Bus 27 ROM/RAM
B5 DD[7] DD7 I/O PD Pd
–– IDE Data Bus 7 IDE
B6 DD[3] DD3 I/O PU
––– IDE Data Bus 3 IDE
B7 WRN WRN O
–––– MEMORY& Ext. I/O Ctrl MEMORY& Ext. I/O
B8 MDIO MDIO I/O PU Pu
–– Management Data I/O 78Q2120
B9 MIIRXD[1] MIIRXD1 I PD
––– PHY Receive Data1 78Q2120
B10 RXERR RXERR I PD Pd
–– PHY Receive Data Error 78Q2120
B11 MIITXD[1] MIITXD1 O PD Pd
–– PHY Transmit Data1 78Q2120
B12 CRS CRS IPDPd
–– PHY Carrier Sense 78Q2120
B13 NC No Use NC
B14 NC No Use NC
B15 NC No Use NC
B16 NC No Use NC
B17 EGPIO[13] POFF_IN- I PU Pu
–– Power OFF Enable JPWR
B18 NC No Use NC
B19 WAITN WAIT- I PU Pu
–– WAIT WAIT
B20 TRSTN TRSTN I PD Pu
–– JTAG ICE
C1 CSN[1] CS1- O PU
––– Ext. I/O CS LCX138
C2 CSN[3] CS3- O PU
––– No Use NC
C3 AD[20] AD20 O
–––– Memory Address Bus 20 ROM/RAM
C4 DA[29] DA29 I/O PU
−−− Memory Data Bus 29 ROM/RAM
C5 DD[10] DD10 I/O PU
−−− IDE Data Bus 10 IDE
C6 DD[6] DD6 I/O PU
−−− IDE Data Bus 6 IDE
C7 DD[2] DD2 I/O PU
−−− IDE Data Bus 2 IDE
C8 MDC MDC O −
−−− PHY Management Data Clock 78Q2120
C9 MIIRXD[3] MIIRXD3 I PD
−−− PHY Receive Data3 78Q2120
C10 TXCLK TXCLK I PU
−−− PHY Transmit Clock 78Q2120
C11 MIITXD[0] MIITXD0 O PD
−−− PHY Transmit Data0 78Q2120
C12 NC No Use NC
C13 NC No Use NC
C14 NC No Use NC
C15 NC No Use NC
C16 NC No Use NC
C17 NC No Use NC
C18 USBP[2] USBP[2] A No Use NC
C19 IORDY IORDY I PU Pu
−− IDE IORDY IDE
C20 DMACKN DMACK O
−−−− IDE DMACK IDE
D1 AD[24] AD24 O
−−−− Memory Address Bus 24 ROM/RAM
8. MICROPROCESSOR AND IC DATA
8.1 Microprocessor
Q018 : EP9312 - CBZ-E1