參數(shù)資料
型號: MC9SA256BCPVR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP112
封裝: TQFP-112
文件頁數(shù): 74/102頁
文件大?。?/td> 1050K
代理商: MC9SA256BCPVR2
MC9S12A256 Device Guide — V01.01
73
Table A-11 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
50 1
NOTES:
1. Restrictions for oscillator in crystal mode apply!
MHz
2
D Bus frequency for Programming or Erase Operations
fNVMBUS
1MHz
3
D Operating Frequency
fNVMOP
150
200
kHz
4
P Single Word Programming Time
tswpgm
46 2
2. Minimum Programming times are achieved under maximum NVM operating frequency fNVMOP and maximum bus frequency
fbus.
74.5 3
3. Maximum Erase and Programming times are achieved under particular combinations of fNVMOP and bus frequency fbus.
Refer to formulae in A.3.1.1 Single Word Programming- A.3.1.4 Mass Erase for guidance.
s
5D Flash Burst Programming consecutive word 4
4. urst Programming operations are not applicable to EEPROM
tbwpgm
20.4 2
31 3
s
6D Flash Burst Programming Time for 32 Words 4
tbrpgm
678.4 2
1035.5 3
s
7
P Sector Erase Time
tera
20 5
5. Minimum Erase times are achieved under maximum NVM operating frequency fNVMOP.
26.7 3
ms
8
P Mass Erase Time
tmass
100 5
133 3
ms
9
D Blank Check Time Flash per block
tcheck
11 6
6. Minimum time, if first word in the array is not blank
32778 7
7. Maximum time to complete check on an erased block
tcyc
10
D Blank Check Time EEPROM per block
tcheck
11 6
20587
tcyc
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