Rockwell SoniCrafter BT8960 User Manual
78
4.0 Electrical & Mechanical Specifications
4.5 Channel Unit Interface Timing
Bt8960
Single-Chip 2B1Q Transceiver
N8960DSB
Table 4-11. Channel Unit Interface Timing Requirements, Serial Mode
Symbol
Parameter
Minimum
Maximum
Units
25
TDAT Setup prior to BCLK Falling Edge
100
ns
26
TDAT Hold after BCLK Low
25
ns
Table 4-12. Channel Unit Interface Switching Characteristics, Serial Mode
Symbol
Parameter
Minimum
Maximum
Units
27
BCLK Period
T
QCLK
÷
2
T
QCLK
÷
2
28
BCLK Pulse-Width High
T
QCLK
÷
4 – 20
T
QCLK
÷
4 + 20
ns
29
BCLK Pulse-Width Low
T
QCLK
÷
4 – 20
T
QCLK
÷
4 + 20
ns
30
BCLK Hold after HCLK Rising Edge
0
ns
31
BCLK Delay after HCLK High
50
ns
32
RDAT, QCLK Hold after BCLK Rising Edge
–50
ns
33
RDAT, QCLK Delay after BCLK High
50
ns
Figure 4-5. Channel Unit Interface Timing, Serial Mode
HCLK
BCLK
TDAT
QCLK
RDAT
25
26
27
28
29
30
31
32
33