|
SAF-C165LMHA Datasheet, PDF (50/77 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller | |||
|
◁ |
C165
Multiplexed Bus (Standard Supply Voltage Range) (contâd)
(Operating Conditions apply)
ALE cycle time = 6 TCL + 2tA + tC + tF (120 ns at 25 MHz CPU clock without waitstates)
Parameter
Symbol Max. CPU Clock Variable CPU Clock Unit
= 25 MHz
1 / 2TCL = 1 to 25 MHz
min. max. min.
max.
RD, WR low time
(no RW-delay)
RD to valid data in
(with RW-delay)
RD to valid data in
(no RW-delay)
ALE low to valid data in
Address to valid data in
Data hold after RD
rising edge
t13 CC 50 + tC
t14 SR â
t15 SR â
t16 SR â
t17 SR â
t18 SR 0
â
3TCL - 10 â
ns
+ tC
20 + tC â
2TCL - 20 ns
+ tC
40 + tC â
3TCL - 20 ns
+ tC
40 + tA â
+ tC
3TCL - 20 ns
+ tA + tC
50 + 2tA â
+ tC
4TCL - 30 ns
+ 2tA + tC
â
0
â
ns
Data float after RD
t19 SR â
Data valid to WR
t22 CC 20 + tC
Data hold after WR
t23 CC 26 + tF
ALE rising edge after RD, t25 CC 26 + tF
WR
Address hold after RD,
WR
ALE falling edge to CS1)
CS low to Valid Data In1)
t27 CC
t38 CC
t39 SR
26 + tF
- 4 - tA
â
CS hold after RD, WR1) t40 CC 46 + tF
ALE fall. edge to RdCS,
WrCS (with RW delay)
ALE fall. edge to RdCS,
WrCS (no RW delay)
t42 CC 16 + tA
t43 CC - 4 + tA
26 + tF â
2TCL - 14 ns
+ tF
â
2TCL - 20 â
ns
+ tC
â
2TCL - 14 â
ns
+ tF
â
2TCL - 14 â
ns
+ tF
â
2TCL - 14 â
ns
+ tF
10 - tA - 4 - tA
10 - tA
ns
40
â
3TCL - 20 ns
+ tC+2tA
+ tC + 2tA
â
3TCL - 14 â
ns
+ tF
â
TCL - 4 â
ns
+ tA
â
-4
â
ns
+ tA
Data Sheet
46
V2.0, 2000-12
|
▷ |