K40P81M100SF2_11 Datasheet, PDF (29/63 Pages) Freescale Semiconductor, Inc – Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz

Peripheral operating requirements and behaviors
6.4.1 Flash (FTFL) electrical specifications
This section describes the electrical characteristics of the FTFL module.
6.4.1.1 Flash timing specifications — program and erase
The following specifications represent the amount of time the internal charge pumps are
active and do not include command overhead.
Table 18. NVM program/erase timing specifications
Symbol Description
t_hvpgm4 Longword Program high-voltage time
t_hversscr Sector Erase high-voltage time
t_hversblk256k Erase Block high-voltage time for 256 KB
Min.
—
—
—
Typ.
20
20
160
Max.
TBD
100
800
Unit
Notes
μs
ms
1
ms
1
1. Maximum time based on expectations at cycling end-of-life.
6.4.1.2 Flash timing specifications — commands
Table 19. Flash command timing specifications
Symbol
t_rd1blk256k
Description
Read 1s Block execution time
• 256 KB data flash
Min.
—
Typ.
—
Max.
1.4
Unit
Notes
ms
t_rd1sec2k Read 1s Section execution time (flash sector)
—
—
40
μs
1
t_pgmchk Program Check execution time
—
—
35
μs
1
t_rdrsrc Read Resource execution time
—
—
35
μs
1
t_pgm4 Program Longword execution time
—
50
TBD
μs
Erase Flash Block execution time
2
t_ersblk256k
• 256 KB data flash
—
160
800
ms
t_ersscr Erase Flash Sector execution time
Program Section execution time
t_pgmsec512
t_pgmsec1k
t_pgmsec2k
• 512 B flash
• 1 KB flash
• 2 KB flash
—
20
100
ms
2
—
TBD
TBD
ms
—
TBD
TBD
ms
—
TBD
TBD
ms
t_rd1all
t_rdonce
t_pgmonce
Read 1s All Blocks execution time
Read Once execution time
Program Once execution time
—
—
2.8
ms
—
—
35
μs
1
—
50
TBD
μs
Table continues on the next page...
K40 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
Freescale Semiconductor, Inc.
Preliminary
29