T89C51RD2-DDFI-M View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
T89C51RD2-DDFI-M Datasheet PDF : 86 Pages
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T89C51RD2
Symbol
TXLXL
TQVHX
TXHQX
TXHDX
TXHDV
Table 46. AC Parameters for a Variable Clock
Type
Standard
Clock
X2 Clock
X parameter X parameter
for -M range for -L range
Min
12 T
6T
Min
10 T - x
5T-x
50
50
Min
2T-x
T-x
20
20
Min
x
x
0
0
Max
10 T - x
5 T- x
133
133
Units
ns
ns
ns
ns
ns
9.5.8. Shift Register Timing Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
0
1
2
3
4
5
6
7
8
TXLXL
TQVXH
TXHQX
0
1
2
3
4
5
6
7
TXHDV
VALID
TXHDX
VALID VALID
VALID
VALID
VALID
SET TI
VALID VALID
SET RI
Rev. F - 15 February, 2001
82
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