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參數(shù)資料
| 型號(hào)： | W39V040FA |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| 中文描述： | 為512k × 8的CMOS固件樞紐INERFACE閃存 |
| 文件頁(yè)數(shù)： | 13/36頁(yè) |
| 文件大小： | 518K |
| 代理商： | W39V040FA |
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W39V040FA
Publication Release Date: December 19, 2002
- 13 -
Revision A2
Software Product Identification and Boot Block Lockout Detection Acquisition
Flow
Product
Identification
Entry (1)
Load data 55
to
address 2AAA
Load data 90
to
address 5555
Pause 10 S
Product
Identification
and Boot Block
Lockout Detection
Mode (3)
Read address = 00000
data = DA
Read address = 00001
data = 34
Read address = 7FFF2
Check DQ[3:0] of data
outputs
(4)
Product
Identification Exit(6)
Load data 55
to
address 2AAA
Load data F0
to
address 5555
Normal Mode
(5)
(2)
(2)
Load data AA
to
address 5555
Load data AA
to
address 5555
Pause 10 S
Notes for software product identification/boot block lockout detection:
(1) Data Format: DQ7
DQ0 (Hex); Address Format: A14
A0 (Hex)
(2) A1
A18 = V
IL
; manufacture code is read for A0 = V
IL
; device code is read for A0 = V
IH
.
(3) The device does not remain in identification and boot block lockout detection mode if power down.
(4) The DQ[3:0] to indicate the sectors protect status as below:
DQ0
DQ1
DQ2
DQ3
0
64K Boot Block
Unlocked by Software
16Kbytes Boot Block
Unlocked by Software
64Kbytes Boot Block
Unlocked by #TBL
hardware trapping
64Kbytes Boot Block
Locked by #TBL hardware
trapping
Whole Chip Unlocked by #WP
hardware trapping Except Boot
Block
Whole Chip Locked by #WP
hardware trapping Except Boot
Block
1
64K Boot Block
Locked by Software
16Kbytes Boot Block
Locked by Software
(5) The device returns to standard operation mode.
(6) Optional 1-write cycle (write F0 (hex.) at XXXX address) can be used to exit the product identification/boot block lockout
detection.
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| W39V040FAP | 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| W39V040FAQ | 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| W39V040FAT | 512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| W39V040FB | 512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
| W39V040FBP | 512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W39V040FAP | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| W39V040FAPZ | 功能描述:IC FLASH 4MBIT 11NS 32PLCC RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲(chǔ)器:RAM 存儲(chǔ)器類型:移動(dòng) SDRAM 存儲(chǔ)容量:256M（8Mx32） 速度:133MHz 接口:并聯(lián) 電源電壓:1.7 V ~ 1.95 V 工作溫度:-40°C ~ 85°C 封裝/外殼:90-VFBGA 供應(yīng)商設(shè)備封裝:90-VFBGA（8x13） 包裝:帶卷 (TR) 其它名稱:557-1327-2 |
| W39V040FAQ | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| W39V040FAT | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INERFACE |
| W39V040FB | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE |
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