TS87C51RD2 ATMEL Corporation, TS87C51RD2 Datasheet - Page 69

• Manufacturer Part Number: TS87C51RD2
• Description: (TS8xC51Rx2) High Performance 8-bit Microcontroller
• Manufacturer: ATMEL Corporation

11.5.8
Figure 11-9. Shift Register Timing Waveforms
4188E–8051–08/06
Shift Register Timing Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 11-11. AC Parameters for a Variable Clock: derating formula
T
QVXH
Symbol
0
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
T
XHDV
1
0
V A L I D
T
XLXL
Type
Max
Min
Min
Min
Min
T
XHQX
2
1
V A L I D
Standard
10 T - x
10 T - x
Clock
2 T - x
12 T
T
3
XHDX
x
2
V A L I D
X2 Clock
5 T - x
4
5 T- x
3
T - x
6 T
V A L I D
x
5
4
V A L I D
133
-M
50
20
0
6
5
V A L I D
133
50
20
AT/TS8xC51Rx2
-V
0
7
6
V A L I D
133
SET TI
SET RI
50
20
-L
0
8
7
V A L I D
Units
ns
ns
ns
ns
ns
69