參數(shù)資料
型號： MC9S12C32VFU16
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP80
封裝： QFP-80
文件頁數(shù)： 9/136頁
文件大?。?/td> 2022K
代理商： MC9S12C32VFU16
Device User Guide — 9S12C128DGV1/D V01.05
106
B.5.1.3 Sector Erase
Erasing either a 512 byte or 1024 byte Flash sector takes:
The setup times can be ignored for this operation.
B.5.1.4 Mass Erase
Erasing a NVM block takes:
This is independent of sector size.
The setup times can be ignored for this operation.
Table B-8 NVM Timing Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
D
External Oscillator Clock
fNVMOSC
0.5
501
NOTES:
1. Restrictions for oscillator in crystal mode apply!
MHz
2
D
Bus frequency for Programming or Erase Operations
fNVMBUS
1
MHz
3
D
Operating Frequency
fNVMOP
150
200
kHz
4
P
Single Word Programming Time
tswpgm
462
2. Minimum Programming times are achieved under maximum NVM operating frequency f NVMOP and maximum bus frequen-
cy fbus.
74.53
3. Maximum Erase and Programming times are achieved under particular combinations of f NVMOP and bus frequency f bus
. Refer to formulae in Sections A.3.1.1 - A.3.1.4 for guidance.
s
5
D
Flash Burst Programming consecutive word
tbwpgm
20.42
313
s
6
D
Flash Burst Programming Time for 32 Word row
tbrpgm
678.42
1035.53
s
6
D
Flash Burst Programming Time for 64 Word row
tbrpgm
1331.22
2027.53
s
7
P
Sector Erase Time
tera
204
4. Minimum Erase times are achieved under maximum NVM operating frequency f NVMOP .
26.73
ms
8
P
Mass Erase Time
tmass
1004
1333
ms
9
D
Blank Check Time Flash per block
t check
115
5. Minimum time, if first word in the array is not blank (512 byte sector size).
327786
6. Maximum time to complete check on an erased block (512 byte sector size)
7t
cyc
7. Where tcyc is the system bus clock period.
9
D
Blank Check Time Flash per block
t check
118
8. Minimum time, if first word in the array is not blank (1024 byte sector size)
655469
9. Maximum time to complete check on an erased block (1024 byte sector size).
cyc
t
era
4000
1
f
NVMOP
---------------------
≈
t
mass
20000
1
f
NVMOP
---------------------
≈
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