BECKHOFF CB4050 - Handbuch (Seite 22)

Kapitel: Anschlüsse PC/104-Bus
Seite 22 Beckhoff New Automation Technology CB4050
Beschreibung Name Pin Name Beschreibung
ISA – Address 3 SA3 A28 B28 BALE ISA – Address Latch En.
ISA – Address 2 SA2 A29 B29 VCC Versorgungsspannung 5V
ISA – Address 1 SA1 A30 B30 OSC ISA – 14,318MHz
ISA – Address 0 SA0 A31 B31 GND Masse
Masse GND A32 B32 GND Masse
Pinbelegung für die 16-Bit-Erweiterung des PC/104-Steckers
Beschreibung Name Pin Name Beschreibung
Masse GND C1 D1 GND Masse
ISA – Byte High Enable SBHE# C2 D2 MEMCS16# ISA – Memory Chip Select
ISA – Latched Address 23 LA23 C3 D3 IOCS16# ISA – IO Chip Select
ISA – Latched Address 22 LA22 C4 D4 IRQ10 ISA – Interrupt 10
ISA – Latched Address 21 LA21 C5 D5 IRQ11 ISA – Interrupt 11
ISA – Latched Address 20 LA20 C6 D6 IRQ12 ISA – Interrupt 12
ISA – Latched Address 19 LA19 C7 D7 IRQ15 ISA – Interrupt 15
ISA – Latched Address 18 LA18 C8 D8 IRQ14 ISA – Interrupt 14
ISA – Latched Address 17 LA17 C9 D9 DACK0# ISA – DMA Acknowledge 0
ISA – Memory Read MEMR# C10 D10 DRQ0 ISA – DMA Request 0
ISA – Memory Write MEMW# C11 D11 DACK5# ISA – DMA Acknowledge 5
ISA – Data 8 SD8 C12 D12 DRQ5 ISA – DMA Request 5
ISA – Data 9 SD9 C13 D13 DACK6# ISA – DMA Acknowledge 6
ISA – Data 10 SD10 C14 D14 DRQ6 ISA – DMA Request 6
ISA – Data 11 SD11 C15 D15 DACK7# ISA – DMA Acknowledge 7
ISA – Data 12 SD12 C16 D16 DRQ7 ISA – DMA Request 7
ISA – Data 13 SD13 C17 D17 VCC Versorgungsspannung 5V
ISA – Data 14 SD14 C18 D18 MASTER# ISA – Bus Master
ISA – Data 15 SD15 C19 D19 GND Masse
Reserviert N/C C20 D20 GND Masse