isl3874 Intersil Corporation, isl3874 Datasheet - Page 11

• Manufacturer Part Number: isl3874
• Description: Wireless Lan Integrated Medium Access Controller With Baseband Processor With Mini-pci
• Manufacturer: Intersil Corporation

Waveforms
PCI INPUT
PCI OUTPUT
HPCLK
(Continued)
MD(15..0)
ADDRESS
MA(17..1)
RAMCS
SYNTHDATA
MWE
SYNTHCLK
SPCSPWR
SYNLE
11
1.5V
t
D1
FIGURE 2. MAC EXTERNAL MEMORY WRITE TIMING
D[n]
t
t
EN
H1
FIGURE 5. PCI BUS TIMING WAVEFORMS
t
V
FIGURE 4. HPCLK TIMING WAVEFORM
t
CYC
t
t
S3
L1
D[n -1]
t
FIGURE 3. SYNTHESIZER
t
D2
H
t
S4
t
CYC
ISL3874
D[n -2]
VALID
t
S
VALID
t
L
t
S5
D[2]
t
H
t
H4
t
H3
t
H5
D[1]
t
INV
D[0]
t
DIS
t
D3