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16 Mbit LPC Flash
SST49LF160C
Advance Information
LPC Memory Write Cycle
TABLE 5: LPC M EMORY W RITE C YCLE F IELD D EFINITIONS
Clock
Field
Field Contents
LAD[3:0]
Cycle
1
Name
START
LAD[3:0] 1
0000
Direction
IN
Comments
LFRAME# must be active (low) for the part to respond.
Only the last start field latched before LFRAME# transitional
high will be recognized. The START field contents (0000b) indi-
cate an LPC Memory cycle.
2
CYCTYPE+ DIR
011X
IN
Indicates the type of LPC Memory cycle. Bits 3:2 must be
“01b” for memory cycle. Bit 1 indicates the type of transfer
“1” for Write. Bit 0 is reserved.
3-10
ADDR
YYYY
IN
Address Phase for Memory Cycle. LPC protocol supports a 32-
bit address phase. YYYY is one nibble of the entire address.
Addresses are transferred most-significant nibble first. The
SST49LF160C encodes ID and register space access in the
address fields.
11
12
13
DATA
DATA
TAR0
ZZZZ
ZZZZ
1111
IN
IN
IN then Float
ZZZZ is the least-significant nibble of the data byte.
ZZZZ is the most-significant nibble of the data byte.
In this clock cycle, the host has driven the bus to all 1s and
then floats the bus. This is the first part of the bus “turnaround
cycle.”
14
TAR1
1111 (float)
Float then OUT The SST49LF160C takes control of the bus during this cycle.
15
RSYNC
0000
OUT
The SST49LF160C outputs the value 0000b indicating that it
has received data or a flash command.
16
TAR0
1111
OUT, then float
In this clock cycle, the SST49LF160C drives the bus to all 1s
and then floats the bus. This is the first part of the bus “turn-
around cycle.”
17
TAR1
1111 (float)
Float, then IN
The host resumes control of the bus during this cycle.
T5.0 1315
1. Field contents are valid on the rising edge of the present clock cycle.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
LCLK
LFRAME#
Start
CYCTYPE
+
DIR
Address
Data
Data
TAR0
TAR1
Sync
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16] A[15:12]
A[11:8]
A[7:4]
A[3:0]
D[3:0]
D[7:4]
1111b Tri-State
0000b
TAR
1 Clock 1 Clock
Load Address in 8 Clocks
Load Data in 2 Clocks
2 Clocks
1 Clock
1315 F06.1
FIGURE 5: LPC M EMORY W RITE C YCLE W AVEFORM
?2006 Silicon Storage Technology, Inc.
13
S71315-00-000
4/06
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相关代理商/技术参数
SST49LF160C-33-4C-NHE_ 制造商:Microchip Technology Inc 功能描述:
SST4H-D 功能描述:电缆束带 Cable Tie, 2-Piece, 14.8"L (376mm), Ligh RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-D0 功能描述:电缆束带 14.8" BLK CABLE TIE RELEAS WEATHER RES RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-D30 功能描述:电缆束带 Cable Tie, 2-Piece, 14.8"L (376mm), Ligh RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4HH-D 制造商:Panduit Corp 功能描述:
SST4HH-D30 功能描述:电缆束带 Cable Tie, Heavy Head, 2-Piece, 14.8" (3 RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-L 功能描述:电缆束带 Cable Tie 2-Piece 14.8"L (376mm) Lt RoHS:否 制造商:Phoenix Contact 产品:Cable Tie Mounts 类型:Adhesive 颜色:Black 材料:Acrylonitrile Butadiene Styrene (ABS) 长度:19 mm 宽度:19 mm 抗拉强度:
SST4H-L 制造商:Panduit Corp 功能描述:Cable Ties Cable Bundle Diameter Max.:4.