Clocks - Data Translation DT9837A User Manual

Clocks

DT9837 Series
Internal Clock Support
SupportsInternalClock
External Clock Support
SupportsExternalClock
Simultaneous Input/Output on a Single
Clock Signal
SupportsSimultaneousClocking
Base Clock Frequency
BaseClockFrequency
Maximum Clock Divider
MaxExtClockDivider
Minimum Clock Divider
MinExtClockDivider
Maximum Frequency
MaxFrequency
Minimum Frequency
MinFrequency
a. The D/A subsystem is not supported by the DT9837B module.
b. The base clock for the D/A subsystem on the DT9837 is fixed at 24 MHz; the base clock for the D/A subsystem on the
DT9837A and DT9837C has a maximum frequency of 27 MHz.
c. The DT9837 and DT9837A support a maximum sampling frequency of 52.734 kHz; the DT9837B and DT9837C support a
maximum sampling frequency of 105.469 kHz.
d. The DT9837 supports a fixed clock frequency of 46.875 kHz for D/A subsystem 0; the DT9837A supports programmable
clock frequencies from 10 kHz to 52.734 kHz for D/A subsystem 0; and the DT9837C supports programmable clock
frequencies from 10 kHz to 96 kHz for D/A subsystem 0
Table 18: Clock Options
a
A/D D/A
Yes Yes
Yes
24 MHz or 27
b
27 MHz MHz
1.0 1.0
1.0 1.0
46.875 kHz,
52.734 kHz, 52.734 kHz, or
c d
105.469 kHz 96 kHz
46.875 kHz or
d
195.3 Hz 10 kHz
Supported Device Driver Capabilities
DIN DOUT C/T
0 0
1 1 1
1 1 1
0 0 0
0 0 0
TACH QUAD
1
1
0
0
101