K20P48M50SF0 Datasheet, PDF (31/60 Pages) Freescale Semiconductor, Inc – K20 Sub-Family

Peripheral operating requirements and behaviors
6.4.1.2 Flash timing specifications — commands
Table 19. Flash command timing specifications
Symbol Description
Read 1s Block execution time
t_rd1blk32k
t_rd1blk128k
• 32 KB data flash
• 128 KB program flash
Min.
—
—
Typ.
—
—
Max.
0.5
1.7
t_rd1sec1k Read 1s Section execution time (flash sector)
—
t_pgmchk Program Check execution time
—
t_rdrsrc Read Resource execution time
—
t_pgm4 Program Longword execution time
—
Erase Flash Block execution time
t_ersblk32k
• 32 KB data flash
—
t_ersblk128k
• 128 KB program flash
—
—
60
—
45
—
30
65
145
55
465
61
495
t_ersscr Erase Flash Sector execution time
Program Section execution time
t_pgmsec512
t_pgmsec1k
• 512 B flash
• 1 KB flash
—
14
114
—
4.7
—
—
9.3
—
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
—
Program Partition for EEPROM execution time
t_pgmpart32k
• 32 KB FlexNVM
—
—
1.8
—
25
65
—
115
1000
—
30
70
—
Set FlexRAM Function execution time:
t_setramff
t_setram8k
t_setram32k
• Control Code 0xFF
• 8 KB EEPROM backup
• 32 KB EEPROM backup
—
50
—
0.3
—
0.7
Byte-write to FlexRAM for EEPROM operation
t_eewr8bers Byte-write to erased FlexRAM location execution
—
175
time
Byte-write to FlexRAM execution time:
t_eewr8b8k
t_eewr8b16k
t_eewr8b32k
• 8 KB EEPROM backup
• 16 KB EEPROM backup
• 32 KB EEPROM backup
—
340
—
385
—
475
—
0.5
1.0
260
1700
1800
2000
Table continues on the next page...
Unit
ms
ms
μs
μs
μs
μs
ms
ms
ms
ms
ms
ms
μs
μs
ms
μs
ms
μs
ms
ms
μs
μs
μs
μs
Notes
1
1
1
2
2
1
2
1
3
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
Freescale Semiconductor, Inc.
31