tsc251g1dxxx-l12ced ATMEL Corporation, tsc251g1dxxx-l12ced Datasheet - Page 52

• Manufacturer Part Number: tsc251g1dxxx-l12ced
• Description: 8/16-bit Microcontroller With Serial Communication Interfaces - 32kbytes Rom
• Manufacturer: ATMEL Corporation

AC Characteristics - Real-Time Asynchronous Wait State
Definition of Symbols
Timings
Waveforms
AC Characteristics - Serial Port in Shift Register Mode
Definition of Symbols
52
AT/TSC8x251G2D
Table 43. Real-Time Asynchronous Wait Timing Symbol Definitions
Table 44. Real-Time Asynchronous Wait AC Timings; V
85°C
Note:
Figure 16. Real-time Asynchronous Wait State Timings
Table 45. Serial Port Timing Symbol Definitions
S
Y
RD#/PSEN#/WR#
Symbol
T
T
SLYV
SLYX
Q
D
X
1. N is the number of wait states added (N≥ 1).
AWAIT#
Parameter
PSEN#/RD#/WR# Low to Wait Set-up
Wait Hold after PSEN#/RD#/WR# Low
PSEN#/RD#/WR#
AWAIT#
Signals
Signals
Data Out
Data In
Clock
T
SLYV
T
SLYX
(2N-1)·T
L
V
X
Min
H
L
V
X
OSC
DD
+ 10
= 2.7 to 5.5 V, T
Low
Valid
No Longer Valid
Conditions
Conditions
T
No Longer Valid
OSC
Max
- 10
High
Valid
Low
4135F–8051–11/06
A
= -40 to
Unit
ns
ns
(1)