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STPCI2GDY Datasheet(PDF) 26 Page - STMicroelectronics |
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STPCI2GDY Datasheet(HTML) 26 Page - STMicroelectronics |
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26 / 111 page 
PIN DESCRIPTION 26/111 Issue 1.0 - July 24, 2002 2.3. SIGNAL DETAIL The muxing between ISA, LOCAL BUS and PCMCIA is performed by external strap options. The resulting interface is then dynamically muxed with the IDE Interface. Table 2-4. Multiplexed Signals (on the same pin) IDE Pin Name ISA Pin Name PCMCIA Pin Names Local Bus Pin Name DIORDY IOCHRDY - DA[2] LA[19] = 0 DA[1:0] LA[18:17] A[25:24] SCS3,SCS1 LA[23:22] A[23:22] PCS3,PCS1 LA[21:20] A[21:20] DD[15] RMRTCCS# ROMCS# DD[14] KBCS# Hi-Z DD[13:12] RTCRW#, RTCDS# Hi-Z DD[11:0] SA[19:8] A[19:8] SD[15:0] D[15:0] PD[15:0] RTCAS = 0 FCS0# DEV_CLK DEV_CLK FCS1# SA[3] A[3] PRDY SA[2:0] A[2:0] IOCS#[2:0] SMEMW# VPP_PGM PBE#[1] IOCS16# WP/IOIS16# PBE#[0] MASTER# BVD1 PRD# MCS16# = 0 PWR# DACK_ENC [2:0] = 0x04 PA[2:0] TC = 0 PA[3] SA[7:4] A[7:4] PA[7:4] ZWS# GPI# PA[8] GPIOCS# VCC5_EN PA[9] IOCHCK# BVD2 PA[10] REF# RESET PA[11] IOW# IOWR# PA[12] IOR# IORD# PA[13] MEMR# = 0 PA[14] ALE = 0 PA[15] AEN WAIT# PA[16] BHE# OE# PA[17] MEMW# = 0 PA[18] SMEMR# VCC3_EN PA[19] DREQ_MUX#[1:0] CE2#, CE1# PA[21:20] Hi-Z Hi-Z PA[22] Hi-Z VPP_VCC PA[23] Hi-Z WE# PA[24] Hi-Z REG# IOCS#[7] Hi-Z READY# IOCS#[6] Hi-Z CD1#, CD2# IOCS#[5], IOCS#[4] ISAOE# = 1 ISAOE# = 0 ISAOE# = 0 IOCS#[3] |
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