Datasheet

8.0 Device Characteristics (Continued)
58
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USBN9603/USBN9604
8.7 MICROWIRE INTERFACE TIMING (MODE1-0 = 10
B
)
Figure 31. MICROWIRE Interface Timing
8.8 RESET TIMING)
Symbol Parameter Condition Min Typ Max Units
t
SKC
SK Cycle Time
1
1. Memory Clock: MCLK = CKI/4 = 12 MHz
C
L
= 50 pF 8/MCLK nS
t
CC
Time between two consecutive
8 clock cycles
1
C
L
= 50 pF 4/MCLK nS
t
SIH
Serial Input Hold Time
C
L
= 50 pF 3/MCLK nS
t
SOV
Serial Output Valid Time
C
L
= 50 pF 3/MCLK nS
Symbol Parameter Condition Min Typ Max Units
t
RST
RESET pulse width
10 nS
SI
CS
6 5 4 3 2 1 LSB MSB 6
SK
SO
6 5 4 3 2 1 LSB 6
MSB
t
SOV
t
SIH
t
SKC
t
CC
MSBMSB
Note: The first eight SKs shift out the current contents of the Shift register.
t
RST
RESET
Obsolete