参数资料
型号: W29GL032CB7A
厂商: Winbond Electronics
文件页数: 24/68页
文件大小: 0K
描述: IC FLASH 32MBIT 70NS 48TFBGA
标准包装: 480
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 32M(4M x 8,2M x 16)
速度: 70ns
接口: 并联
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 48-TFBGA
供应商设备封装: 48-TFBGA(6x8)
包装: 管件
W29GL032C
IPB instruction set entry
Program IPB
Read DQ[7:0] twice
NO
DQ6=Toggle?
YES
Wait 500μs
DQ5=1?
YES
Read DQ[7:0] twice
NO
Read DQ[7:0] twice
DQ0=
‘1’ (Erase) or
‘0’ (Program)
YES
Pass
NO
NO
IPB instruction set Exit
DQ6=Toggle?
YES
Program Fail Write Reset CMD
Figure 7-3
Note:
IPB Program Algorithm
1.
7.3.2.3
IPB program/erase status polling flowchart: Check DQ6 toggle, when DQ6 stop toggle, the read status is 00h/01h
(00h for program and 01h for erase, otherwise the status is “fail’ and “exit”.
Individual Protection Bit Lock Bit
The Individual Protection Bit Lock Bit (IPBLK) is a global lock bit to control all IPB states. It is a
singular volatile bit. If the IPBLK is set (“0”), all IPB are locked and all sectors are protected or
unprotected according to their individual IPB. When IPBLK=1 (cleared), all IPB are unlocked and
allowed to be set or cleared.
To clear the IPB Lock Bit, a hardware reset or a power-up cycle must be executed.
.
18
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