参数资料
型号: PM49FL004T-33JCE
厂商: PMC-Sierra, Inc.
英文描述: 2 Mbit / 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
中文描述: 2兆位/ 4兆位3.3伏,只固件集线器/ LPC快闪记忆体
文件页数: 12/46页
文件大小: 208K
代理商: PM49FL004T-33JCE
Programmable Microelectronics Corp.
Issue Date: December, 2003 Rev: 1.4
12
PMC
Pm49FL002 / 004
CLK
RST# or INIT#
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
CLK
FWH4
FWH[3:0]
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
2 Clocks
Device to Host
CLK
FWH4
FWH[3:0]
1110b
ID[3:0]
xxxxb
0101b
1111b
Tri-State
0000b
3rd Start
1 Clock
1 Clock
Load "5555h" in 7 Clocks
Load "A0h" in 2 Clocks
1 Clock
2 Clocks
x1xxb
xxxxb
TAR
RSYNC
Data
Address
0000b
0101b
0101b
0101b
1010b
0000b
Host to Device
1111b
Tri-State
TAR
2 Clocks
Device to Host
CLK
FWH4
FWH[3:0]
1110b
ID[3:0]
xxxxb
A[19:16]
1111b
Tri-State
0000b
4th Start
1 Clock
1 Clock
Load Address in 7 Clocks
Load Data in 2 Clocks
1 Clock
2 Clocks
x1xxb
TAR
RSYNC
Data
Address
D[7:4]
A[15:12]
D[3:0]
A[11:8]
A[7:4]
Host to Device
1111b
Tri-State
TAR
2 Clocks
Device to Host
A[3:1]
RST# or INIT#
RST# or INIT#
RST# or INIT#
IMSIZE
IDSEL
IMSIZE
IMSIZE
IDSEL
IDSEL
IMSIZE
0000b
1 Clock
1 Clock
1 Clock
1 Clock
FWH BYTE PROGRAM WAVEFORMS
FWH MODE OPERATION (CONTINUED)
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