TS80C51RA2 Atmel Corporation, TS80C51RA2 Datasheet - Page 68

• Manufacturer Part Number: TS80C51RA2
• Description: High Performance 8-bit Microcontroller
• Manufacturer: Atmel Corporation

Shift Register Timing
Waveforms
Figure 28. Shift Register Timing Waveforms
68
TS8xC51Rx2
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
T
QVXH
0
Table 44. AC Parameters for a Variable Clock: derating formula
T
XHDV
Symbol
T
T
T
T
T
1
0
QVHX
XHQX
XHDX
XHDV
XLXL
VALID
T
XLXL
T
XHQX
2
1
VALID
Type
Max
Min
Min
Min
Min
T
3
XHDX
2
VALID
Standard
10 T - x
10 T - x
Clock
2 T - x
12 T
x
4
3
VALID
X2 Clock
5 T - x
5 T- x
T - x
6 T
x
5
4
VALID
-M
133
50
20
0
6
5
VALID
133
-V
50
20
0
7
6
VALID
SET TI
SET RI
133
8
-L
50
20
7
0
VALID
4188A–8051–10/02
Units
ns
ns
ns
ns
ns