Page 26 of 32
IA80C152
Preliminary Data Sheet
UNIVERSAL COMMUNICATIONS CONTROLLER
Table 11: Local Serial Channel Timing - Shift Register Mode
Symbol
Units
16.5 MHz
Variable Oscillator
Min
Parameter
Serial Port Clock Cycle
Time
Min
Max
Max
TXLXL
12TCLCL
ns
ns
ns
ns
ns
TQVXH
TXHQX
TXHDX
TXHDV
Output Data Setup to
Clock Rising Edge
Output Data Hold After
Clock Rising Edge
Input Data Hold After
Clock Rising Edge
Clock Rising Edge to
Input Data Valid
Figure 10: Shift Register Mode Timing Waveforms
INSTRUCTION
|
0
|
1
|
2
|
3
|
4
|
5
|
6
|
|
8
|
7
ALE
TXLXL
CLOCK
TQVXH
TXHQX
1
OUTPUT_DATA
INPUT_DATA
0
2
3
4
5
6
7
|_________|
^
|
^
SET T1
|
TXHDX
WRITE TO SBUF
TXHDV
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
^
|
|____________|
^
|
SET R1
CLEAR R1
Copyright ã 2000
innovASIC
[_________The End of Obsolescenceä
INNOVASIC [ INNOVASIC, INC ]
