Programmable Microelectronics Corp.
Issue Date: December, 2003 Rev: 1.4
14
PMC
Pm49FL002 / 004
CLK
RST# or INIT#
FWH4
FWH[3:0]
CLK
FWH4
FWH[3:0]
CLK
FWH4
FWH[3:0]
CLK
FWH4
FWH[3:0]
1110b
ID[3:0]
xxxxb
0101b
1111b
Tri-State
0000b
Memory
Write Cycle IDSEL
1 Clock
1 Clock
Load "5555h" in 7 Clocks
Load "AAh" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
0000b
0101b
0101b
0101b
1010b
1010b
Host to Device
1111b
Tri-State
TAR
Device2 Clocks
1110b
ID[3:0]
xxxxb
1010b
1111b
Tri-State
0000b
2nd Start
1 Clock
1 Clock
Load "2AAAh" in 7 Clocks
Load "55h" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
0101b
1010b
0101b
0010b
1010b
0000b
Host to Device
1111b
Tri-State
TAR
Device2 Clocks
CLK
FWH4
FWH[3:0]
CLK
FWH4
FWH[3:0]
1110b
ID[3:0]
xxxxb
BA[19:16]
1111b
Tri-State
0000b
IDSEL
6th Start
1 Clock
1 Clock
Load Block Address in 7 Clocks
Load "50h" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
0101b
0000b
xxxxb
xxxxb
Host to Device
1111b
Tri-State
TAR
Device2 Clocks
0000b
BA = Block Address
Internal Erase
Start
1110b
ID[3:0]
xxxxb
0010b
1111b
Tri-State
0000b
IDSEL
5th Start
1 Clock
1 Clock
Load "2AAAh" in 7 Clocks
Load "55h" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
0000b
1010b
1010b
0010b
0101b
0101b
Host to Device
1111b
Tri-State
TAR
Device2 Clocks
1110b
ID[3:0]
xxxxb
0101b
1111b
Tri-State
0000b
IDSEL
4th Start
1 Clock
1 Clock
Load "5555" in 7 Clocks
Load "AAh" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
1010b
0101b
0101b
0101b
0101b
Host to Device
1111b
Tri-State
TAR
Device2 Clocks
0000b
1110b
ID[3:0]
xxxxb
0101b
1111b
Tri-State
0000b
IDSEL
3rd Start
1 Clock
1 Clock
Load "5555h" in 7 Clocks
Load "80h" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
0000b
0101b
0101b
0101b
0000b
1000b
Host to Device
1111b
Tri-State
TAR
2 Clocks
Device to Host
RST# or INIT#
RST# or INIT#
RST# or INIT#
RST# or INIT#
RST# or INIT#
BA[15:14]
+ xxb
IMSIZE
1 Clock
IDSEL
IMSIZE
1 Clock
1 Clock
IMSIZE
1 Clock
IMSIZE
1 Clock
IMSIZE
1 Clock
IMSIZE
FWH BLOCK ERASE WAVEFORMS