Pm49FL002 / 004
PMC
FWH SECTOR ERASE WAVEFORMS
CLK
RST# or INIT#
F W H 4
Memory
Address
0101b
Data
1010b
TAR
RSYNC
0000b
TAR
Write Cycle IDSEL
IMSIZE
0000b
1010b
Clock Load "AAh" in
2 Clocks
1111b
2
1111b
1110b
Clock
ID[3:0]
Clock
xxxxb
0101b
Clocks
0101b
0101b
Tri-State
Clocks
Tri-State
xxxxb
x1xxb
FWH[3:0]
CLK
1
Clock
2
Clocks
1
1
Load "5555h" in
7
7
7
1
Host to Device
Device to Host
RST# or INIT#
F W H 4
Address
0010b
Load "2AAAh" in
Data
0101b 0101b
TAR
RSYNC
0000b
TAR
1111b
Tri-State
2nd Start IDSEL
IMSIZE
xxxxb
x1xxb
1010b
1110b
Clock
ID[3:0]
Clock
xxxxb
1010b
Clocks
1010b
0000b
Clock
1111b
2
Tri-State
Clocks
FWH[3:0]
CLK
1
Clock
2
Clocks
1
1
1
Load "55h" in
2
Clocks
Host to Device
Device to Host
RST# or INIT#
F W H 4
Address
0101b
Load "5555h" in
Data
TAR
Tri-State
Clocks
RSYNC
0000b
TAR
1111b Tri-State
3rd Start
1110b
IMSIZE
0000b
IDSEL
ID[3:0]
xxxxb
x1xxb
0000b
1000b
1111b
2
xxxxb
0101b
Clocks
0101b
0101b
FWH[3:0]
1
Clock
2
Clocks
1
Clock
1
Clock
1
Clock Load "80h" in
2
Clocks
Host to Device
Device to Host
CLK
RST# or INIT#
F W H 4
Address
0101b
0101b
Load "5555" in 7 Clocks
IMSIZE
0000b
Clock Load "AAh" in
Data
TAR
RSYNC
0000b
TAR
1111b
Tri-State
4th Start
1110b
IDSEL
ID[3:0]
xxxxb
xxxxb
xxxxb
x1xxb
x1xxb
x1xxb
0101b
0101b
0101b
1010b
xxxxb
1111b
2
Tri-State
Clocks
FWH[3:0]
1
Clock
2
Clocks
1
Clock
1
1
1
Clock
1
2
Clocks
Host to Device
Device to Host
CLK
RST# or INIT#
F W H 4
Address
0010b
Load "2AAAh" in 7
IMSIZE
0000b
Clock Load "55h" in
Data
TAR
Tri-State
Clocks
RSYNC
0000b
TAR
1111b Tri-State
5th Start
1110b
IDSEL
ID[3:0]
0101b
0101b
1111b
2
xxxxb
0010b
Clocks
1010b
1010b
FWH[3:0]
CLK
1
Clock
2
Clocks
1
Clock
Clock
1
2
Clocks
Host to Device
Device to Host
RST# or INIT#
F W H 4
Internal Erase
Start
IMSIZE
0000b
Address
SA[19:16]
Data
TAR
RSYNC
0000b
TAR
IDSEL
ID[3:0]
6th Start
1110b
SA[15:12]
xxxxb
0000b
0011b
xxxxb
1111b
2
1111b
Tri-State
xxxxb
Load Sector Address in
SA
Tri-State
Clocks
FWH[3:0]
1
Clock
2
Clocks
1
Clock
Clock
7
Clocks
Host to Device
1
Clock Load "30h" in 2 Clocks
Device to Host
=
Sector Address
Issue Date: December, 2003 Rev: 1.4
Programmable Microelectronics Corp.
13
PMC [ PMC-SIERRA, INC ]
