參數(shù)資料
型號(hào)： TMS28F004AMB60CDBJL
廠商： Texas Instruments, Inc.
英文描述： 524288 BY 8-BIT/262144 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
中文描述： 524288按8-BIT/262144由16位自動(dòng)選擇啟動(dòng)塊閃存
文件頁(yè)數(shù)： 12/80頁(yè)
文件大?。?/td> 1080K
代理商： TMS28F004AMB60CDBJL
TMS28F004Axy, TMS28F400Axy
524288 BY 8-BIT/
262
144 BY 16-BIT
AUTO-SELECT BOOT-BLOCK FLASH MEMORIES
SMJS829A – JANUARY 1996 – REVISED AUGUST 1997
12
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
byte-wide or word-wide mode selection
(continued)
Table 6. Operation Modes for Word-Wide Mode (BYTE = V
IH
) (see Note 2)
MODE
WP
E
G
RP
W
A9
A0
VPP
X
DQ0–DQ15
Read
X
VIL
VIL
VIH
VIH
X
X
Data out
X
VIL
VIL
VIH
VIH
VID
VIL
X
Manufacturer-equivalent code
0089h
Algorithm-selection mode
X
VIL
VIL
VIH
VIH
VID
VIH
X
Device-equivalent code 4470h
(top boot block)
Device-equivalent code 4471h
(bottom boot block)
Output disable
X
VIL
VIH
X
VIH
X
VIH
VIH
VIL
VIH
or
VHH
VIH
X
X
X
X
Hi-Z
Standby
X
X
X
X
Hi-Z
Reset/deep power down
X
X
X
X
X
X
Hi-Z
Write (see Note 3)
VIL
or
VIH
VIL
VIH
VIL
X
X
VPPL
or
VPPH
Data in
NOTES:
2. X = don’t care
3. When writing commands to the ’28F400Axy, VPP must be in the appropriate VPP voltage range (as shown in the recommended
operating conditions table) for block-erase or program commands to be executed. Also, depending on the combination of RP and
WP, the boot block can be secured and, therefore, is not programmable (see Table 2 for the combinations).
Table 7. Operation Modes for Byte-Wide Mode (BYTE = V
IL
) (see Note 2)
MODE
WP
E
G
RP
W
A9
A0
VPP
X
DQ15/A–1
VIL
VIH
DQ8–DQ14
DQ0–DQ7
Read lower byte
X
VIL
VIL
VIL
VIL
VIH
VIH
VIH
VIH
X
X
Hi-Z
Data out
Read upper byte
X
X
X
X
Hi-Z
Data out
X
VIL
VIL
VIH
VIH
VID
VIL
X
X
Hi-Z
Manufacturer-equivalent
code 89h
Algorithm-selection
mode
Device-equivalent code
70h (top boot block)
X
VIL
VIL
VIH
VIH
VID
VIH
X
X
Hi Z
Hi-Z
Device-equivalent code
71h (bottom boot block)
Output disable
X
VIL
VIH
VIH
X
VIH
VIH
VIH
X
X
X
X
X
Hi-Z
Hi-Z
Standby
X
X
X
X
X
Hi-Z
Hi-Z
Reset/deep power
down
X
X
X
VIL
X
X
X
X
X
Hi-Z
Hi-Z
Write (see Note 3)
VIL
or
VIH
VIL
VIH
VIH
or
VHH
VIL
X
X
VPPL
or
VPPH
X
Hi-Z
Data in
NOTES:
2. X = don’t care
3. When writing commands to the ’28F400Axy, VPP must be in the appropriate VPP voltage range (as shown in the recommended
operating conditions table) for block-erase or program commands to be executed. Also, depending on the combination of RP and
WP, the boot block can be secured and, therefore, is not programmable (see Table 2 for the combinations).
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