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STPCE1HDBI Datasheet(PDF) 13 Page - STMicroelectronics |
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STPCE1HDBI Datasheet(HTML) 13 Page - STMicroelectronics |
13 / 87 page PIN DESCRIPTION Release 1.3 - January 29, 2002 13/87 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. ISA_CLK O BT8TRP_TC ISA Clock Output - Multiplexer Select Line For IPC 1 ISA_CLK2X O BT8TRP_TC ISA Clock x2 Output - Multiplexer Select Line For IPC 1 OSC14M O BD8STRP_FT Buffered 14MHz clock 1 LA[23:17] O BD8STRUP_FT Unlatched Address 7 SA[19:0] I/O BD8STRUP_FT Latched Address 20 SD[15:0] I/O BD8STRP_FT Data Bus 16 ALE O BD4STRP_FT Address Latch Enable 1 MEMR#, MEMW# I/O BD8STRUP_FT Memory Read and Memory Write 2 SMEMR#, SMEMW# O BD8STRUP_FT System Memory Read and Memory Write 2 IOR#, IOW# I/O BD8STRUP_FT I/O Read and Write 2 MCS16#, IOCS16# I BD4STRUP_FT Memory/IO Chip Select16 2 BHE# O BD8STRUP_FT System Bus High Enable 1 ZWS# I BD4STRP_FT Zero Wait State 1 REF# O BD8STRP_FT Refresh Cycle. 1 MASTER# I BD4STRUP_FT Add On Card Owns Bus 1 AEN O BD8STRUP_FT Address Enable 1 IOCHCK# I BD4STRUP_FT I/O Channel Check. 1 IOCHRDY I/O BD8STRUP_FT I/O Channel Ready (ISA) - Busy/Ready (IDE) 1 ISAOE# O BD4STRP_FT ISA/IDE Selection 1 GPIOCS# I/O BD4STRP_FT General Purpose Chip Select 1 IRQ_MUX[3:0] I BD4STRP_FT Time-Multiplexed Interrupt Request 4 DREQ_MUX[1:0] I BD4STRP_FT Time-Multiplexed DMA Request 2 DACK_ENC[2:0] O BD4STRP_FT Encoded DMA Acknowledge 3 TC O BD4STRP_FT ISA Terminal Count 1 RTCAS O BD4STRP_FT Real Time Clock Address Strobe 1 RMRTCCS# I/O BD4STRP_FT ROM/RTC Chip Select 1 KBCS# I/O BD4STRP_FT Keyboard Chip Select 1 RTCRW# I/O BD4STRP_FT RTC Read/Write 1 RTCDS# I/O BD4STRP_FT RTC Data Strobe 1 LOCAL BUS PA[23:20], [15], [8], [3:0] O BD4STRP_FT Address Bus 10 PA[19:16], [14:12],[7:4] O BD8STRUP_FT Address Bus 11 PA[11] O BD8STRP_FT Address Bus 1 PA[10:9] O BD4STRUP_FT Address Bus 2 PD[15:0] I/O BD8STRP_FT Data Bus 16 PRD1#,PRD0# O BD4STRUP_FT Peripheral Read Control 2 PWR1# O BD8STRUP_FT Peripheral Write Control 1 PWR0# O BD4STRUP_FT Peripheral Write Control 1 PRDY I BD8STRUP_FT Data Ready 1 FCS1#, FCS0# O BD4STRP_FT Flash Chip Select 2 IOCS#[3] O BD4STRP_FT I/O Chip Select 1 IOCS#[2:0] O BD8STRUP_FT I/O Chip Select 3 Table 2-2. Definition of Signal Pins Signal Name Dir Buffer Type2 Description Qty Note1: These pins must be connected to the 2.5 V power supply. They must not be connected to the 3.3V supply. Note2: See Table 2-3 for buffer type descriptions. |
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