參數(shù)資料
型號: ZR36067
廠商: Electronic Theatre Controls, Inc.
英文描述: AV PCI CONTROLLER
中文描述: 影音PCI控制器
文件頁數(shù): 39/48頁
文件大小: 580K
代理商: ZR36067
39
AV PCI CONTROLLER
15.3 GuestBus Timing
1. For each period of
t
PCI
the duration of the transfer will be extended for one PCI clock period.
Table 21: GuestBus Interface Timing
Symbol
Parameter
Min
Max
Unit
t
CARW
t
RWCA
t
RWDUR
GCSn / GADR2..0 setup
16
ns
GCSn / GADR2..0 hold
16
ns
GWR / GRD low
90
ns
Determined by parameter T
dur
and signal GWS
t
RWREC
t
PD
t
GDH
t
GRS
t
GRH
t
GIRQ
t
GWS
GWR / GRD high
90
ns
Determined by parameter T
rec
Typical output load 70 pF
Propagation delay,
PCICLK to output signal
1
16
ns
Write data hold, GWR / GRD to data float
t
PCI
- 16
11
t
PCI
+ 16
ns
Typical output load 70 pF
Read data setup
ns
Read data hold
0
ns
GIRQ1..0 high / low
2 * t
PCI
ns
Wait state setup, GWS delay after GWR/GRD
(t
DUR
-1) * t
PCP
- t
PD
- t
GRS
ns
t
GWL
t
GWH
Wait state low
[1]
t
PCI
ns
Wait state hold, GWS to GWR/GRD
t
PCP
+ t
PD
+ t
GRS
ns
GCSn
PCICLK
GADR[2:0]
GWR
1
2
3
4
5
6
7
8
9
10
11
12
13
t
CAR
t
RWC
t
RWDUR
GRD
t
CAR
t
RWC
t
RWDU
t
RWREC
GWS
GDAT[7:0]
t
PD
t
GDH
Data Valid from ZR36067
Data Valid from Guest n
t
GRS
t
GRH
Figure 13. GuestBus Timing
GRD/GWR
GWS
t
RWDUR
t
GWL
t
GWH
t
GWS
Wait-State Timing
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