CompuLab SBC-X270 Bedienungsanleitung PDF herunterladen (Seite 21)

SB-X270 PC/104+ Single Board Computer

CompuLab LTD.

PC/104

Signal

CM-X270

connector

pin name

Pin PC/104

Signal

CM-X270

connector

pin name

C00 GND GND D00 GND GND

C01 SBHE# GND D01 MEMCS16# -

C02 LA23 LB-A23 D02 IOCS16# -

C03 LA22 LB-A22 D03 IRQ10 -

C04 LA21 LB-A21 D04 IRQ11 GPIRQ1*

C05 LA20 LB-A20 D05 IRQ12 -

C06 LA19 LB-A19 D06 IRQ15 GPIRQ1*

C07 LA18 LB-A18 D07 IRQ14 -

C08 LA17 LB-A17 D08 DACK0# Pullup

C09 MEMR# ISA-RD#* D09 DRQ0 -

C10 MEMW# ISA-WR#* D10 DACK5# Pullup

C11 SD8 LB-D8 D11 DRQ5 -

C12 SD9 LB-D9 D12 DACK6# Pullup

C13 SD10 LB-D10 D13 DRQ6 -

C14 SD11 LB-D11 D14 DACK7# Pullup

C15 SD12 LB-D12 D15 DRQ7 -

C16 SD13 LB-D13 D16 +5V

C17 SD14 LB-D14 D17 MASTER# Pullup

C18 SD15 LB-D15 D18 GND GND

C19 KEY - D19 GND GND

Signals marked in gray are not supported. In general, functionality of the PC104 bus of the

SB-X270 has the following limitations:

 DMA channels are not supported.

 Only four interrupt inputs are supported. B23, B25, D04, D06 pins are consolidated to

GPIRQ1 through OR gate.

 Some signals of secondary importance are not supported: MEMSC16, IOCS16#,

BALE. The irrelevant signal REFRESH is also not supported.

 Signals marked with (*) are generated by on-board logic. See section 4.3 for details.

 The PXA-270 CPU does not support 8-bit granularity accesses. In order to make

attaching 8-bit PC-104 cards to the SB-X270 possible, LB-A21 was connected to SA0.

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CompuLab SBC-X270 Bedienungsanleitung Seite 21