K20P144M120SF3 Datasheet, PDF (34/80 Pages) Freescale Semiconductor, Inc – K20 Sub-Family Data Sheet

Peripheral operating requirements and behaviors
6.4.1.2 Flash timing specifications — commands
Table 20. Flash command timing specifications
Symbol Description
t_rd1blk Read 1s Block execution time
t_rd1sec4k Read 1s Section execution time (4KB flash)
t_pgmchk Program Check execution time
t_rdrsrc Read Resource execution time
t_pgm8 Program Phrase execution time
t_ersblk Erase Flash Block execution time
t_ersscr Erase Flash Sector execution time
t_pgmsec4k Program Section execution time (4KB flash)
t_rd1all Read 1s All Blocks execution time
t_rdonce Read Once execution time
t_pgmonce Program Once execution time
t_ersall Erase All Blocks execution time
t_vfykey Verify Backdoor Access Key execution time
Swap Control execution time
t_swapx01
t_swapx02
t_swapx04
t_swapx08
• control code 0x01
• control code 0x02
• control code 0x04
• control code 0x08
t_pgmpart Program Partition for EEPROM execution time
Set FlexRAM Function execution time:
t_setram64k
t_setram128k
t_setram256k
t_setram512k
• 64 KB EEPROM backup
• 128 KB EEPROM backup
• 256 KB EEPROM backup
• 512 KB EEPROM backup
t_eewr8bers Byte-write to erased FlexRAM location execution
time
Byte-write to FlexRAM execution time:
t_eewr8b64k
t_eewr8b128k
t_eewr8b256k
t_eewr8b512k
• 64 KB EEPROM backup
• 128 KB EEPROM backup
• 256 KB EEPROM backup
• 512 KB EEPROM backup
t_eewr16bers 16-bit write to erased FlexRAM location
execution time
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ.
1.5
50
35
35
65
450
15
20
1.5
17
65
900
25
185
65
65
25
TBD
TBD
TBD
TBD
TBD
100
TBD
TBD
TBD
TBD
100
Max.
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
TBD
Table continues on the next page...
Unit
ms
μs
μs
μs
μs
ms
ms
ms
ms
μs
μs
ms
μs
μs
μs
μs
μs
ms
ms
ms
ms
ms
μs
ms
ms
ms
ms
μs
Notes
1
1
1
2
2
1
2
1
3
K20 Sub-Family Data Sheet Data Sheet, Rev. 3, 2/2012.
34
Preliminary
Freescale Semiconductor, Inc.