CS8900-CQ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS8900-CQ Datasheet PDF : 132 Pages
| |||
10.0 SWITCHING CHARACTERISTICS (continued)
DMA READ
Parameter
AEN active to IOR low
IOR low to DMARQx inactive
IOR low to SD valid
DMACKx, AEN hold after IOR high
IOR inactive to SD 3-state
Symbol
tDMAR1
tDMAR2
tDMAR3
tDMAR4
tDMAR5
DMARQx
x = 0, 1, 2
DMACKx
t DMAR2
AEN
IOR
t DMAR1
SD [15:0]
16-BIT I/O WRITE
Parameter
Address, AEN, SBHE valid to IOCS16 low
Address, AEN, SBHE valid to IOW low
IOW pulse width
SD hold after IOW high
IOW low to SD valid
IOW inactive to active
Address hold after IOW high
t DMAR3
t DMAR4
t DMAR5
Valid Data Out
Symbol
tIOW1
tIOW2
tIOW3
tIOW4
tIOW5
tIOW6
tIOW7
SA [15:0],
AEN, SBHE
IOCS16
IOW
SD [15:0]
Valid Address
tIOW1
t IOW7
t IOW2
tIOW3
tIOW6
tIOW5
Valid Data In
tIOW4
CS8900
Min
Max
20
0
135
20
30
DIRECTION:
IN or OUT of chip
OUT
Units
ns
ns
ns
ns
ns
IN
IN
IN
OUT
Min
Max
35
25
110
6
10
55
0
DIRECTION:
IN or OUT of chip
IN
OUT
Units
ns
ns
ns
ns
ns
ns
ns
IN
IN
DS150PP2
117
Share Link: 