ARM ARM7TDMI - Page 61

Open Access
Expanding and Monitoring the APB
5-7
ARM Development Board (ARM7TDMI Version)
Hardware Reference Guide
ARM DUI 0017C
Parameter Description Min Typ Max
Tpe P_STB high pulse width (enabled time @ 25MHz) 80
Tpd P_STB low pulse width (disabled time @ 25MHz) 40
Tpss P_SEL setup to P_STB rising 21
Tpas P_A setup to P_STB rising 21
Tpws P_WRITE setup to P_STB rising 21
Tpsh P_SEL hold from P_STB falling 19
Tpah P_A hold from P_STB falling 19
Tpwh P_WRITE hold from P_STB falling 19
Tpds P_D setup to P_STB rising (write) 19
Tpdh P_D hold from P_STB falling (write) 41
Tpdr P_D setup to P_STB falling (read) 54
Tpdz P_D hold from P_STB falling (read) 26
Tpc B_CLK falling to P_STB falling 6.5
Table 5-2: Sample timings
hrg.book Page 7 Wednesday, July 22, 1998 9:18 AM