zr36067 ETC-unknow, zr36067 Datasheet - Page 39

• Manufacturer Part Number: zr36067
• Description: Av Pci Controller
• Manufacturer: ETC-unknow

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