TS80C58X2_14 Datasheet, PDF (53/62 Pages) ATMEL Corporation – Programmable Clock Out and Up/Down Timer/Counter 2

AT/TS8xC54/8X2
Table 19-13. AC Parameters for a Variable Clock: derating formula
Standard
Symbol
Type
Clock
X2 Clock
-M
-V
-L
T_XLXL
T_QVHX
T_XHQX
T_XHDX
T_XHDV
Min
12 T
6T
Min
10 T - x
5T-x
50
50
50
Min
2T-x
T-x
20
20
20
Min
x
x
0
0
0
Max
10 T - x
5 T- x
133
133
133
19.5.8 Shift Register Timing Waveforms
Figure 19-9. Shift Register Timing Waveforms
Units
ns
ns
ns
ns
ns
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
0
1
2
3
4
5
6
7
8
T_XLXL
T_QVXH
T_XHQX
0
1
2
3
4
5
6
7
T_XHDV
VALID
T_XHDX
VALID VALID
VALID
VALID
VALID
SET TI
VALID VALID
SET RI
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4431E–8051–04/06