參數(shù)資料
型號(hào): ARM7TDMI
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Embedded RISC Microcontroller Core(32位嵌入式RISC微控制器)
中文描述: 32-BIT, RISC MICROCONTROLLER, PBGA256
文件頁數(shù): 4/5頁
文件大?。?/td> 27K
代理商: ARM7TDMI
ARM7TDMI Core
4
Texh
nEXEC hold time from MCLKf
2.32 / 0.30
3.93 / 0.44
7.11 / 0.82
12.85 / 1.59
Tbrks
Set up time of BREAKPT to MCLKr
2.17
3.46
6.31
12.97
Tbrkh
Hold time of BREAKPT from MCLKr
0.50
0.77
1.40
2.55
Tbcems
BREAKPT to nCPI, nEXEC, nMREQ, SEQ delay
3.06 / 0.35
4.82 / 0.56
9.35 / 0.86
20.15 / 1.22
Tdbgd
MCLKr to DBGACK valid
4.67 / 0.36
7.29 / 0.56
13.80 / 0.92
25.41 / 1.74
Tdbgh
DGBACK hold time from MCLKr
3.30 / 0.30
5.60 / 0.42
10.94 / 0.67
21.21 / 0.99
Trqs
DBGRQ set up time to MCLKr for guaranteed
recognition
0.43
0.56
0.78
1.42
Trqh
DBGRQ guaranteed non-recognition time
0.14
0.19
0.27
0.49
Tcdel
MCLK to ECLK delay
0.88 / 0.35
1.09 / 0.56
1.65 / 0.93
2.54 / 1.74
Tctdel
TCK to ECLK delay
2.78 / 0.35
4.23 / 0.56
7.79 / 0.93
14.41 / 1.74
Texts
EXTERN[1:0] set up time to MCLKf
0.00
0.00
0.00
0.00
Texth
EXTERN[1:0] hold time from MCLKf
1.06
1.72
3.17
5.71
Trg
MCLKf to RANGEOUT0, RANGEOUT1 valid
3.25 / 0.36
5.10 / 0.56
9.89 / 0.92
23.18 / 0.99
Trgh
RANGEOUT0, RANGEOUT1 hold time from
MCLKf
1.56 / 0.30
2.70 / 0.42
5.16 / 0.67
9.84 / 0.99
Tdbgrq
DBGRQ to DBGRQI valid
1.03 / 0.35
1.34 / 0.56
2.15 / 0.93
3.68 / 1.74
Trstd
nRESETf to D[], DBGACK, nCPI, nENOUT,
nEXEC, nMREQ, SEQ valid
2.68 / 0.34
4.48 / 0.45
8.82 / 0.62
16.76 / 1.13
Tcommd
MCLKr to COMMRX, COMMTX valid
2.17 / 0.36
3.27 / 0.56
5.86 / 0.92
10.37 / 1.74
Ttrstd
nTRSTf to every output valid
3.50 / 0.20
5.84 / 0.28
11.33 / 0.46
22.83 / 0.85
Trstl
nRESET LOW for guaranteed reset
2 minimum MCLK cycles
Table 2.
ATC50 AC Parameters (Continued)
Symbol
Parameter
ff
typ
ss1
ss2
ns | ns/pf
ns | ns/pf
ns | ns/pf
ns | ns/pf
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