M28W320FSU70ZA6 Micron Technology Inc, M28W320FSU70ZA6 Datasheet - Page 68

• Manufacturer Part Number: M28W320FSU70ZA6
• Manufacturer: Micron Technology Inc

Specifications of M28W320FSU70ZA6

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 21b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TBGA
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 16b
• Number Of Words: 2M
• Supply Current: 18mA
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Flowcharts and pseudo codes
Figure 21. Program Suspend & Resume flowchart and pseudo code
68/76
Program Continues
another address
Read data from
Read Status
Write D0h
Write 70h
Write FFh
Write B0h
Register
b7 = 1
b2 = 1
Start
YES
YES
NO
NO
Program Complete
Read Data
Write FFh
program_suspend_command ( ) {
if (status_register.b2==0) /*program completed */
else
}
do {
writeToFlash (any_address, 0xB0) ;
writeToFlash (any_address, 0x70) ;
/* read status register to check if
program has already completed */
{ writeToFlash (any_address, 0xFF) ;
{ writeToFlash (any_address, 0xFF) ;
status_register=readFlash (any_address) ;
/* E or G must be toggled*/
} while (status_register.b7== 0) ;
}
}
read_data ( ) ; /*read data from another block*/
/*The device returns to Read Array
(as if program/erase suspend was not issued).*/
read_data ( ); /*read data from another address*/
writeToFlash (any_address, 0xD0) ;
/*write 0xD0 to resume program*/
M28WxxxFS, M28WxxxFSU
AI03540b