CS22220 datasheet(30/34 Pages) CIRRUS

30 / 34 page

CS22220 Wireless PCMCIA Controller

30 of 34

DS557PP2

Rev. 3.0

www.cirrus.com

Figure 10. I/O ‘Read’ Timing Diagram

Table 13. I/O ‘Read’ (Input) Timing Specification

Item

Symbol

Min

Max

Data Delay after PC_NIORD

td (IORD)

100

Data Hold following PC_NIORD

th (IORD)

PC_NIORD Width Time

tw IORD

165

Address Setup before PC_NIORD

tsu A (IORD)

Address Hold following PC_NIORD

th A(IORD)

PC_NCE Setup before PC_NIORD

tsu CE (IORD)

PC_NCE Hold following PC_NIORD

th CE (IORD)

PC_NREG Setup before PC_NIORD

tsu REG (IORD)

PC_NREG Hold before PC_NIORD

th REG (IORD)

PC_NINPACK Delay Falling from PC_NIORD

tdf INPACK (IORD)

PC_NINPACK Delay Rising from PC_NIORD

tdr INPACK (IORD)

PC_NIOIS16 Delay Falling from Address

tdf IOIS16 (ADR)

PC_NIOIS16 Delay Rising from Address

tdr IOIS16 (ADR)

PC_NWAIT Delay Falling from PC_NIORD

td WT (IORD)

Data Delay from PC_NWAIT Rising

tdr (WT)

PC_NWAIT Width Time

tw (WT)

12,000

su REG (IORD)

su CE (IORD)

h A (IORD)

h REG (IORD)

h CE (IORD)

w (IORD)

su A (IORD)

df IOIS16 (ADR)

df INPACK (IORD)

w (WT)

h (IORD)

df WT (IORD)

PC_A[25:0]

PC_NREG

PC_NCE

PC_NIORD

PC_IOIS16

PC_NWAIT

PC_D[15:0]

PC_NINPACK

dr INPACK (ADR)

dr IOIS16 (ADR)

d (IORD)

dr (WT)

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