K20P104M100SF2 Freescale Semiconductor, K20P104M100SF2 Datasheet - Page 28

• Manufacturer Part Number: K20P104M100SF2
• Description: K20 Sub-Family
• Manufacturer: Freescale Semiconductor

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Peripheral operating requirements and behaviors
6.3.3.2 32kHz Oscillator Frequency Specifications
1. This parameter is characterized before qualification rather than 100% tested.
2. Proper PC board layout procedures must be followed to achieve specifications.
6.4 Memories and memory interfaces
6.4.1 Flash (FTFL) Electrical Characteristics
This section describes the electrical characteristics of the FTFL module.
6.4.1.1 Flash Timing Parameters — Program and Erase
The following characteristics represent the amount of time the internal charge pumps are
active and do not include command overhead.
1. Maximum time based on expectations at cycling end-of-life.
6.4.1.2 Flash Timing Parameters — Commands
28
Symbol
Symbol
Symbol
t
t
t
t
t
rd1sec2k
hversscr
hversblk
f
hvpgm4
pgmchk
t
osc_lo
t
rd1blk
start
Table 16. 32kHz oscillator frequency specifications (V
Oscillator crystal
Crystal start-up time
Longword Program high-voltage time
Sector Erase high-voltage time
Erase Block high-voltage time
Read 1s Block execution time
Read 1s Section execution time (2 KB flash sec‐
tor)
Program Check execution time
Description
Description
Description
to V
Table 17. NVM program/erase timing characteristics
DD33OSC
Table 18. Flash command timing characteristics
K20 Sub-Family Data Sheet Data Sheet, Rev. 1, 11/2010.
(max), T
Table continues on the next page...
A
= T
Preliminary
L
to T
H
)
Min.
Min.
Min.
—
—
—
—
—
—
—
—
1000
Typ.
Typ.
Typ.
160
32
20
20
—
—
—
DD33OSC
Max.
Max.
TBD
Max.
100
800
1.4
40
35
—
—
Freescale Semiconductor, Inc.
= V
DD33OSC
Unit
kHz
Unit
Unit
ms
ms
ms
ms
μs
μs
μs
(min)
Notes
Notes
Notes
1,
1
1
2
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