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PM49FL004 Datasheet(PDF) 10 Page - PMC-Sierra, Inc

Part # PM49FL004
Description  2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM49FL004 Datasheet(HTML) 10 Page - PMC-Sierra, Inc

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Programmable Microelectronics Corp.
Issue Date: December, 2003 Rev: 1.4
PMC
Pm49FL002 / 004
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Table 2: FWH Memory Read Cycle Definition
FWH MODE OPERATION (CONTINUED)
FWH MEMORY READ CYCLE WAVEFORMS
CLK
RST# or INIT#
FWH4
FWH[3:0]
1101b
ID[3:0]
xxxxb
A[19:16] A[15:12]
A[11:8]
A[7:4]
A[3:0]
1111b
Tri-State
0000b
D[3:0]
D[7:4]
1101b
Next Start
Memory
Read
Start
IDSEL
1 Clock
1 Clock
Load Address in 7 Clocks
2 Clocks
1 Clock
Data Out 2 Clocks
1 Clock
Data
RSYNC
TAR
Address
x1xxb
1111b
Tri-State
2 Clocks
TAR
From Device to Host
From Host to Device
0000b
IMSIZE


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