Fujitsu MPA3035AT Product Manual - Page 63
Physical Interface, IOW-: I/O WRITE
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5.1 Physical Interface 5.1.1 Interface signals Figure 5.1 shows the interface signals. Host DATA 0-15: DATA BUS IDD DMACK-: DMA ACKNOWLEDGE DMARQ: DMA REQUEST IOW-: I/O WRITE IOR- : I/O READ INTRQ : INTERRUPT REQUEST IOCS16-: IOCS 16 PDIAG- : PASSED DIAGNOSTIC IORDY : I/O CHANNEL READY DASP- : DEVICE ACTIVE/DEVICE 1 PRESENT DA 0-2: DEVICE ADDRESS CS0- : CHIP SELECT 0 CS1- : CHIP SELECT 1 RESET-: RESET CSEL : CABLE SELECT GND: GROUND Figure 5.1 Interface signals 5 - 2 C141-E034-02EN
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C141-E034-02EN
5 - 2
5.1
Physical Interface
5.1.1
Interface signals
Figure 5.1 shows the interface signals.
INTRQ
: INTERRUPT REQUEST
IOCS16-: IOCS 16
PDIAG- : PASSED DIAGNOSTIC
IORDY
: I/O CHANNEL READY
DASP-
: DEVICE ACTIVE/DEVICE 1 PRESENT
IOW-: I/O WRITE
IOR- : I/O READ
DMARQ: DMA REQUEST
DMACK-: DMA ACKNOWLEDGE
IDD
Host
DATA 0-15: DATA BUS
DA 0-2: DEVICE ADDRESS
CS0-
: CHIP SELECT 0
CS1-
: CHIP SELECT 1
RESET-: RESET
CSEL
: CABLE SELECT
GND: GROUND
Figure 5.1
Interface signals