TSC80251-SK TEMIC [TEMIC Semiconductors], TSC80251-SK Datasheet - Page 46

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

TSC80251G2D
11.3 AC Characteristics - Real-Time Asynchronous Wait State
Definition of symbols
Timings
Note:
1. N is the number of wait states added (N 1).
Waveforms
46
Symbol
T
T
SLYV
SLYX
RD#/PSEN#
Table 50. Real-Time Asynchronous Wait AC Timings; V
WAIT#
WCLK
RD#/PSEN#/WR#
S
Y
ALE
PSEN#/RD#/WR# Low to Wait Set-up
Wait Hold after PSEN#/RD#/WR# Low
P0
P2
AWAIT#
Table 49. Real-Time Asynchronous Wait Timing Symbol Definitions
State 1
PSEN#/RD#/WR#
AWAIT#
Figure 23. Real-time Synchronous Wait State: Data Write
Signals
Figure 24. Real-time Asynchronous Wait State Timings
A7:0
T
T
WLYX
WLYX
Parameter
T
WLYV
max
min
T
SLYV
State 2
A15:8
T
T
CLYV
SLYX
T
CLYX
D7:0
L
V
X
(2N-1)·T
WR# stretched
min
State 3
DD
Min
OSC
T
= 2.7 to 5.5 V, T
CLYX
+ 10
max
Low
Valid
No Longer Valid
Conditions
State 1 (next cycle)
T
A
stretched
stretched
OSC
Max
= -40 to 85 C
Rev. A - May 7, 1999
- 10
Unit
ns
ns
(1)