ZR36057 ZORAN [Zoran Corporation], ZR36057 Datasheet - Page 39

• Manufacturer Part Number: ZR36057
• Description: ENHANCED PCI BUS MULTIMEDIA CONTROLLER
• Manufacturer: ZORAN [Zoran Corporation]

14.3 GuestBus Timing
Table 19: 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 to 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 ZR36057
3
t
RWDUR
Figure 13. GuestBus Timing
4
5
t
t
t
(t
RWC
DUR
GDH
DUR
t
PCP
Enhanced PCI Bus Multimedia Controller
t
GWS
39
6
-1) * t
+ t
2 * t
t
t
Min
GRS
t
GWL
PCI
16
16
90
90
11
PD
1
0
t
t
RWDUR
PCI
RWREC
PCP
7
+ t
GRS
-t
PD
8
-
t
CAR
t
GWH
9
Max
16
16
10
Unit
t
RWDU
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Data Valid from Guest n
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