CS22220 Datasheet, PDF (30/34 Pages) Cirrus Logic – WIRELESS PCI/USB CONTROLLER

PC_A[25:0]
PC_NREG
PC_NCE
t_su REG (IORD) ^{th A (IORD)}
t_h REG (IORD)
t_su CE (IORD)
t_h CE (IORD)
PC_NIORD
t_w (IORD)
t_su A (IORD)
t_dr INPACK (ADR)
PC_NINPACK
PC_IOIS16
t_df IOIS16 (ADR)
PC_NWAIT
PC_D[15:0]
t_df WT (IORD)
t_df INPACK (IORD)
t_d
(IORD)
t_dr (WT)
t_w (WT)
t_dr IOIS16 (ADR)
t_h (IORD)
Figure 10. I/O ‘Read’ Timing Diagram
Table 13. I/O ‘Read’ (Input) Timing Specification
Item
Symbol
Min
Data Delay after PC_NIORD
t_d (IORD)
Data Hold following PC_NIORD
t_h (IORD)
0
PC_NIORD Width Time
t_w IORD
165
Address Setup before PC_NIORD
t_su A (IORD)
70
Address Hold following PC_NIORD
t_h A (IORD)
20
PC_NCE Setup before PC_NIORD
t_su CE (IORD)
5
PC_NCE Hold following PC_NIORD
t_h CE (IORD)
20
PC_NREG Setup before PC_NIORD
t_su REG (IORD)
5
PC_NREG Hold before PC_NIORD
t_h REG (IORD)
0
PC_NINPACK Delay Falling from PC_NIORD t_df INPACK (IORD)
0
PC_NINPACK Delay Rising from PC_NIORD t_dr INPACK (IORD)
PC_NIOIS16 Delay Falling from Address
t_df IOIS16 (ADR)
PC_NIOIS16 Delay Rising from Address
t_dr IOIS16 (ADR)
PC_NWAIT Delay Falling from PC_NIORD
t_d WT (IORD)
Data Delay from PC_NWAIT Rising
t_dr (WT)
PC_NWAIT Width Time
t_w (WT)
Max
100
45
45
35
35
35
0
12,000
CS22220 Wireless PCMCIA Controller
30 of 34
www.cirrus.com
DS557PP2 Rev. 3.0