CS98000-CQ Cirrus Logic, Inc., CS98000-CQ Datasheet - Page 4

• Manufacturer Part Number: CS98000-CQ
• Description: Internet DVD (iDVD) Chip Solution
• Manufacturer: Cirrus Logic, Inc.

1.
1.1
1.1.1
CS98000 can interface with ATAPI-type slave loader gluelessly. Figure 1 illustrates a read ATAPI trans-
action and a write ATAPI transaction. PIO mode 4 is implemented for sufficient data transfer rate between
ATAPI device and CS98000.
ATAPI TRANSACTION
4
Tasu
Tdsu
Tc
Tw
Trdh
Twdh
Ta
Trd
Tr
CHARACTERISTICS AND SPECIFICATIONS
Symbol
ADDR valid
H_D_[15:0]
AC Electrical Specifications
ATAPI Interface
H_RDY
H_WR
H_RD
Read data hold time
Address valid to H_RD
Read data setup time
Transaction cycle time
Read or write pulse width
Write data hold time
H_RDY width
Read data valid to H_RDY valid
H_RDY drive high to release time
Tasu
Figure 1. ATAPI Transactions - Read and Write
Description
Ta
Tw
Tc
Trd
Tdsu
Din
Tr
Trdh
Min
70
25
20
70
10
35
5
5
-
Tasu
Typ
30
30
75
75
15
15
45
-
Tw
Dout
1250
Max
-
-
-
-
-
-
-
-
CS98000
Twdh
DS525PP1
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns