SST89E554 Ver la hoja de datos (PDF) - Silicon Storage Technology
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SST89E554 Datasheet PDF : 58 Pages
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FlashFlex51 MCU
SST89E564 / SST89V564 / SST89E554 / SST89V554
Preliminary Specifications
TABLE 10-7: SERIAL PORT TIMING
Symbol
TXLXL
TQVXH
TXHQX
Parameter
Serial Port Clock Cycle Time
Output Data Setup to Clock Rising Edge
Output Data Hold After Clock Rising Edge
TXHDX
TXHDV
Input Data Hold After Clock Rising Edge
Clock Rising Edge to Input Data Valid
Oscillator
25MHz
40MHz
Variable
Min Max Min Max
Min
Max
Units
0
0.36
12TCLCL
ms
700
117
10TCLCL - 133
ns
50
2TCLCL - 117
ns
0
2TCLCL - 50
ns
0
0
0
ns
700
117
10TCLCL - 133 ns
T10-7.2 384
INSTRUCTION
0
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
1
2
3
4
5
6
7
8
TXLXL
TQVXH
TXHQX
0
1
2
TXHDV
VALID
VALID
TXHDX
VALID
3
VALID
4
VALID
5
VALID
6
7
VALID
SET TI
VALID
SET R I
384 ILL F29.0
FIGURE 10-10: SHIFT REGISTER MODE TIMING WAVEFORMS
©2001 Silicon Storage Technology, Inc.
55
S71181-03-000 9/01 384
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