Pm49FL002 / 004
PMC
FWH MODE OPERATION (CONTINUED)
FWH GPI REGISTER READ WAVEFORMS
CLK
RST# or INIT#
FWH4
Memory
Read
Cycle
IDSEL
RSYNC
0000b
Address
0000b
IMSIZE
0000b
TAR
Data
Next Start
1101b
TAR
Tri-State
xxxxb
0000b
1111b
2
Tri-State
1111b
2
1101b
Clock
ID[3:0]
Clock
x0xxb
1100b
0001b
0000b
D[3:0]
D[7:4]
FWH[3:0]
1
1
1
Clock
Clocks
1
Clock
Data Out
2
Clocks
Clocks
1 Clock
Load Address "xBC0100h" in
7 Clocks
From Device to Host
From Host to Device
FWH BLOCK LOCKING REGISTER READ WAVEFORMS
CLK
RST# or INIT#
FWH4
Memory
Read
Cycle
IDSEL
RSYNC
0000b
Address
IMSIZE
0000b
TAR
Data
Next Start
1101b
TAR
1111b Tri-State
xxxxb
0000b
0010b
1111b
Tri-State
1101b
Clock
ID[3:0]
Clock
x0xxb
A[19:16]
0000b
0000b
D[3:0]
D[7:4]
FWH[3:0]
1
1
1
Clock
2
Clocks
1
Clock
Data Out
2
Clocks
2
Clocks
1 Clock
Load Address "xBx0002h" in
7 Clocks
From Device to Host
From Host to Device
Issue Date: December, 2003 Rev: 1.4
Programmable Microelectronics Corp.
15
PMC [ PMC-SIERRA, INC ]
