ENCODER OUTPUT — LONG FRAME (VDD = 5.0 V, TA = – 40 to + 85°C)
Parameter
Symbol
Min
Enable Low Hold Time
th(EOE)L
30
Enable Valid Time
Enable to Data Time (Whichever Edge Occurs Last)
Clock to Data Time (Whichever Edge Occurs Last)
tv(EOE)
15
tEOE–EDO
—
tEDC–EDO
—
Max
Unit
—
ns
—
ns
40
ns
45
ns
EDC
EOE
32 kbps
EDO
1
23
4
5
6
7
8
MSB
LSB
MSB
EOE
24 kbps
EDO
MSB
MSB
EOE
16 kbps
EDO
MSB
EOE
64 kbps
EDO
MSB
* EDO Driver is controlled by EOE
# EDO completes the presentation of data
@ Data recirculates
MSB
MSB
*
*
#
@
MSB
MSB
EDC
th(EOE)L
EOE
tEDC–EDO
EDO
tv(EOE)
tEOE–EDO
MSB
Figure 4. Encoder Output Timing — Long Frame
MC145532
8
MOTOROLA