BECKHOFF CB4050 - Manual (Page 22)

Chapter: Connectors PC/104-Bus
page 22 Beckhoff New Automation Technology CB4050
Description Name Pin Name Description
ISA – address 2 SA2 A29 B29 VCC 5 volt supply
ISA – address 1 SA1 A30 B30 OSC ISA – 14,318MHz
ISA – address 0 SA0 A31 B31 GND ground
ground GND A32 B32 GND ground
Pinning of the 16 bit expansion PC/104 connector.
Description Name Pin Name Description
ground GND C0 D0 GND ground
ISA – byte high enable SBHE# C1 D1 MEMCS16# ISA – memory chip select
ISA – latched address 23 LA23 C2 D2 IOCS16# ISA – IO chip select
ISA – latched address 22 LA22 C3 D3 IRQ10 ISA – interrupt 10
ISA – latched address 21 LA21 C4 D4 IRQ11 ISA – interrupt 11
ISA – latched address 20 LA20 C5 D5 IRQ12 ISA – interrupt 12
ISA – latched address 19 LA19 C6 D6 IRQ15 ISA – interrupt 15
ISA – latched address 18 LA18 C7 D7 IRQ14 ISA – interrupt 14
ISA – latched address 17 LA17 C8 D8 DACK0# ISA – DMA acknowledge 0
ISA – memory read MEMR# C9 D9 DRQ0 ISA – DMA request 0
ISA – memory write MEMW# C10 D10 DACK5# ISA – DMA acknowledge 5
ISA – data 8 SD8 C11 D11 DRQ5 ISA – DMA request 5
ISA – data 9 SD9 C12 D12 DACK6# ISA – DMA acknowledge 6
ISA – data 10 SD10 C13 D13 DRQ6 ISA – DMA request 6
ISA – data 11 SD11 C14 D14 DACK7# ISA – DMA acknowledge 7
ISA – data 12 SD12 C15 D15 DRQ7 ISA – DMA request 7
ISA – data 13 SD13 C16 D16 VCC 5 volt supply
ISA – data 14 SD14 C17 D17 MASTER# ISA – bus master
ISA – data 15 SD15 C18 D18 GND ground
reserved N/C C19 D19 GND ground