ARM7TDMI Core
3
Tbyls
BL[3:0] set up to from MCLKr
0.54
0.93
1.87
3.99
Tdbe
Data bus enable time from DBEr
2.92 / 0.18
4.96 / 0.25
9.84 / 0.38
19.23 / 0.72
Tdbz
Data bus disable time from DBEf
1.09
1.81
3.56
6.69
Tdbnen
DBE to nENOUT valid
1.29 / 0.36
1.82 / 0.56
3.14 / 0.92
5.72 / 1.74
Ttbz
Address and Data bus disable time from TBEf
1.25
2.07
3.95
7.45
Ttbe
Address and Data bus enable time from TBEr
1.49 / 0.18
2.58 / 0.25
5.00 / 0.38
9.40 / 0.73
Trwd
MCLKr to nRW valid
3.41 / 0.14
5.63 / 0.20
10.87 / 0.33
19.91 / 0.49
Trwh
nRW hold time from MCLKr
2.88 / 0.19
4.70 / 0.28
9.03 / 0.46
16.24 / 0.85
Tmsd
MCLKf to nMREQ & SEQ valid
6.19 / 0.28
8.42 / 0.42
16.94 / 0.68
39.39 / 0.99
Tmsh
nMREQ & SEQ hold time from MCLKf
2.49 / 0.30
4.26 / 0.42
8.19 / 0.68
15.06 / 0.99
Tbld
MCLKr to MAS[1:0] & LOCK
4.75 / 0.14
7.78 / 0.22
15.09 / 0.34
27.99 / 0.72
Tblh
MAS[1:0] & LOCK hold from MCLKr
3.44 / 0.15
5.65 / 0.21
10.89 / 0.36
19.81 / 0.50
Tmdd
MCLKr to nTRANS, nM[4:0], and TBIT valid
4.80 / 0.26
7.87 / 0.33
15.40 / 0.46
29.02 / 0.86
Tmdh
nTRANS & nM[4:0] hold time from MCLKr
3.58 / 0.15
5.87 / 0.22
11.07 / 0.43
19.81 / 0.77
Topcd
MCLKr to nOPC valid
2.91 / 0.19
4.75 / 0.28
9.07 / 0.46
16.83 / 0.85
Topch
nOPC hold time from MCLKr
2.78 / 0.14
4.56 / 0.20
8.76 / 0.33
15.91 / 0.49
Tcps
CPA, CPB setup to MCLKr
2.04
3.30
6.43
12.19
Tcph
CPA,CPB hold time from MCLKr
0.35
0.54
0.90
1.63
Tcpms
CPA, CPB to nMREQ, SEQ
2.31 / 0.36
3.61 / 0.56
6.83 / 0.92
13.61 / 1.64
Tcpi
MCLKf to nCPI valid
5.91 / 0.35
7.93 / 0.40
15.85 / 0.67
35.89 / 0.99
Tcpih
nCPI hold time from MCLKf
2.46 / 0.28
4.16 / 0.40
7.85 / 0.67
14.36 / 0.99
Tcts
Config setup time
0.60
0.88
1.67
5.00
Tcth
Config hold time
1.05
1.69
3.20
5.99
Tabts
ABORT setup time to MCLKf
0.00
0.00
0.00
0.00
Tabth
ABORT hold time from MCLKf
1.05
1.75
3.41
6.66
Tis
Asynchronous interrupt setup time to MCLKf for
guaranteed recognition (ISYNC=0)
0.00
0.00
0.00
0.00
Tim
Asynchronous interrupt guaranteed non-
recognition time (ISYNC=0)
0.79
1.06
2.20
3.71
Tsis
Synchronous nFIQ, nIRQ setup to MCLKf
(ISYNC=1)
0.06
0.03
0.00
0.00
Tsih
Synchronous nFIQ, nIRQ hold from MCLKf
(ISYNC=1)
0.13
0.17
0.34
0.61
Trs
Reset setup time to MCLKr for guaranteed
recognition
0.00
0.00
0.00
0.00
Trm
Reset guaranteed non-recognition time
0.95
1.57
3.02
5.28
Texd
MCLKf to nEXEC valid
6.35 / 0.36
8.52 / 0.42
17.16 / 0.68
40.37 / 0.99
Table 2.
ATC50 AC Parameters (Continued)
Symbol
Parameter
ff
typ
ss1
ss2
ns | ns/pf
ns | ns/pf
ns | ns/pf
ns | ns/pf