TS80C54 ATMEL [ATMEL Corporation], TS80C54 Datasheet - Page 53
TS80C54
Manufacturer Part Number
TS80C54
Description
8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.TS80C54.pdf
(62 pages)
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19.5.8
4431E–8051–04/06
Shift Register Timing Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 19-13. AC Parameters for a Variable Clock: derating formula
Figure 19-9. Shift Register Timing Waveforms
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
2 T - x
Clock
12 T
T
3
XHDX
x
2
V A L I D
X2 Clock
4
5 T - x
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
AT/TS8xC54/8X2
133
50
20
-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
53
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