TSC80251-SK TEMIC [TEMIC Semiconductors], TSC80251-SK Datasheet - Page 45

• Manufacturer Part Number: TSC80251-SK
• Description: 8/16-bit Microcontroller with Serial Communication Interfaces
• Manufacturer: TEMIC [TEMIC Semiconductors]

11.2 AC Characteristics - Real-Time Synchronous Wait State
Definition of symbols
Timings
Waveforms
Rev. A - May 7, 1999
Symbol
T
T
T
T
T
T
WLYV
WLYX
CLYV
CLYX
RLYV
RLYX
RD#/PSEN#
Table 48. Real-Time Synchronous Wait AC Timings; V
WAIT#
WCLK
C
R
W
Y
ALE
Wait Clock Low to Wait Set-up
Wait Hold after Wait Clock Low
PSEN#/RD# Low to Wait Set-up
Wait Hold after PSEN#/RD# Low
WR# Low to Wait Set-up
Wait Hold after WR# Low
P0
P2
Figure 22. Real-time Synchronous Wait State: Code Fetch/Data Read
Table 47. Real-Time Synchronous Wait Timing Symbol Definitions
State 1
WCLK
RD#/PSEN#
WR#
WAIT#
Signals
A7:0
T
T
RLYX
Parameter
RLYX
T
RLYV
max
min
A15:8
State 2
D7:0
T
CLYV
T
CLYX
L
V
X
RD#/PSEN# stretched
2W·T
2W·T
2W·T
min
DD
stretched
stretched
State 3
Min
OSC
OSC
OSC
= 2.7 to 5.5 V, T
0
0
0
T
CLYX
+ 5
+ 5
+ 5
TSC80251G2D
max
Low
Valid
No Longer Valid
Conditions
(1+2W)·T
(1+2W)·T
(1+2W)·T
State 1 (next cycle)
T
T
T
A
OSC
OSC
OSC
= -40 to 85 C
Max
A15:8
OSC
OSC
OSC
- 20
- 20
- 20
A7:0
- 20
- 20
- 20
Unit
ns
ns
ns
ns
ns
ns
45