K30P144M100SF2_1109 Datasheet, PDF (31/72 Pages) Freescale Semiconductor, Inc – K30 Sub-Family Data Sheet

6.3.3.2
Peripheral operating requirements and behaviors
32kHz oscillator frequency specifications
Table 19. 32kHz oscillator frequency specifications
Symbol
f_{osc_lo}
t_start
Description
Oscillator crystal
Crystal start-up time
Min.
—
—
Typ.
32.768
1000
Max.
—
—
Unit
Notes
kHz
ms
1
1. Proper PC board layout procedures must be followed to achieve specifications.
6.4 Memories and memory interfaces
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 20. 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.
7.5
13
416
Max.
18
113
3616
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 21. Flash command timing specifications
Symbol Description
Read 1s Block execution time
t_rd1blk256k
• 256 KB program/data flash
Min.
—
Typ.
—
Max.
1.7
Unit
Notes
ms
t_rd1sec2k Read 1s Section execution time (flash sector)
—
—
60
μs
1
t_pgmchk Program Check execution time
—
—
45
μs
1
t_rdrsrc Read Resource execution time
—
—
30
μs
1
t_pgm4 Program Longword execution time
—
65
145
μs
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K30 Sub-Family Data Sheet Data Sheet, Rev. 6, 9/2011.
Freescale Semiconductor, Inc.
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