参数资料
型号: M58WR064KU70ZA6U
厂商: NUMONYX
元件分类: PROM
英文描述: 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA44
封装: 7.50 X 5 MM, 0.50 MM PITCH, ROHS COMPLIANT, VFBGA-44
文件页数: 12/122页
文件大小: 2187K
代理商: M58WR064KU70ZA6U
M58WRxxxKU, M58WRxxxKL
Flowcharts and pseudocodes
Figure 25.
Erase suspend and resume flowchart and pseudocode
1.
The Read Status Register command (Write 70h) can be issued just before or just after the Erase Resume command.
Write 70h
AI13530b
Read Status
Register
YES
NO
SR7 = 1
YES
NO
SR6 = 1
Erase Continues with
Bank in Read Status
Register Mode
Write D0h
Read data from another block,
Program,
Set Configuration Register
or
Block Lock/Unlock/Lock-Down
Start
Write B0h
Erase Complete
Write FFh
Read Data
Write FFh
erase_suspend_command ( ) {
writeToFlash (bank_address, 0xB0) ;
writeToFlash (bank_address, 0x70) ;
/* read status register to check if
erase has already completed */
do {
status_register=readFlash (bank_address) ;
/* E or G must be toggled*/
} while (status_register.SR7== 0) ;
if (status_register.SR6==0) /*erase completed */
{ writeToFlash (bank_address, 0xFF) ;
read_data ( ) ;
/*The device returns to Read Array
(as if program/erase suspend was not issued).*/
}
else
{ writeToFlash (bank_address, 0xFF) ;
read_program_data ( );
/*read or program data from another block*/
writeToFlash (bank_address, 0xD0) ;
/*write 0xD0 to resume erase*/
writeToFlash (bank_address, 0x70) ;
/*read status register to check if erase has completed */
}
Write 70h(1)
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