參數(shù)資料
型號(hào): SM320F2812HFGM
廠商: TEXAS INSTRUMENTS INC
元件分類: 數(shù)字信號(hào)處理
英文描述: 16-BIT, 150 MHz, OTHER DSP, CQFP172
封裝: NCTB, CERAMIC, QFP-172
文件頁數(shù): 51/147頁
文件大小: 1721K
代理商: SM320F2812HFGM
Electrical Specifications
143
December 2004
SGUS053
6.31
Flash Timing
6.31.1
Recommended Operating Conditions
MIN
NOM
MAX
UNIT
Nf
Flash endurance for the array (Write/erase cycles)
0
°C to 85°C
100
1000
cycles
NOTP
OTP endurance for the array (Write cycles)
0
°C to 85°C
1
write
Table 654. Flash Parameters at 150-MHz SYSCLKOUT
PARAMETER
MIN
TYP
MAX
UNIT
16-Bit Word
35
s
Program Time
8K Sector
170
ms
Program Time
16K Sector
320
ms
Erase Time
8K Sector
10
S
Erase Time
16K Sector
11
S
IDD3VFLP
VDD3VFL current consumption during the Erase/Program cycle
Erase
75
mA
IDD3VFLP
VDD3VFL current consumption during the Erase/Program cycle
Program
35
mA
IDDP
VDD current consumption during Erase/Program cycle
140
mA
IDDIOP
VDDIO current consumption during Erase/Program cycle
20
mA
Typical parameters as seen at room temperature using flash API V1 including function call overhead.
Table 655. Flash/OTP Access Timing
PARAMETER
MIN
TYP
MAX
UNIT
ta(fp)
Paged Flash access time
36
ns
ta(fr)
Random Flash access time
36
ns
ta(OTP)
OTP access time
60
ns
NOTE: For 150 MHz, PAGE WS = 5 and RANDOM WS = 5
For 135 MHz, PAGE WS = 4 and RANDOM WS = 4
Table 656. Minimum Required Wait-States at Different Frequencies
SYSCLKOUT (MHz)
SYSCLKOUT (ns)
PAGE WAIT-STATE
RANDOM WAIT STATE§
150
6.67
5
120
8.33
4
100
10
3
75
13.33
2
50
20
1
30
33.33
1
25
40
0
1
15
66.67
0
1
4
250
0
1
Formulas to compute page wait state and random wait state:
Page Wait State
+
t
a(fp)
t
c(SCO)
* 1 (round up to the next highest integer), or 0 whichever is larger
Random Wait State
+
t
a(fr)
t
c(SCO)
* 1 (round up to the next highest integer), or 1 whichever is larger
§ Random wait state must be greater than or equal to 1
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