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Microsemi SA.22c
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SA.22c Rubidium Oscillator
Designer Reference and User Guide Revision D 27
Command a: The following example shows the response to the command a followed by an integer sets
the enable/ disable feature of FC mode. Integer zero followed by <cr> disables FC mode and any
nonzero integer followed by <cr> enables the FC mode.
r>a
5987717
FC mode enabled
Command p: The following example shows the response to the command p for the SA.22c control
register
r>p
Control Reg: 204C
Note: For the above example, C corresponds to bits 12-15, 4 corresponds to bits 8-11, 0 corresponds to
bits 4-7, and 2 corresponds to bits 0-3 in the following table.
Table 9 • SA-22c (and x72) Output Control Register
Bit Hex
Value
Control Description Controlled By
0 1 Lamp
switch
power
boost—
internal
function
0= Lamp switch off (default during
operation)
1= Lamp switch on
Controlled by SDCP, automated function, no user input
1 2 BITE
output
0= Unit is locked (default during
operation)
1= Unit is not locked
Controlled by SDCP-automated function- no user input
2 4 FXO
(crystal
output)
enable
0= Enables FXO output
1= Disables FXO output
Configuration is set either by entering the control register value
during TACO or entering the configuration information into the unit
batch list file prior to testing
3 8 1PPS
output
enable
0= Enables 1PPS output
1 =Disables 1PPS output
Configuration is set either by entering the control register value
during TACO or entering the configuration information into the unit
batch list file prior to testing
4 1 ACMOS
output
enable
0= Enables ACMOS output
1= Disables ACMOS output
Configuration is set either by entering the control register value
during TACO or entering the configuration information into the unit
batch list file prior to testing
5 2 C-field
boost
0= Low C-field (default)
1= High C-field
Configuration is set by entering the control register value during
TACO. Not configurable in customer firmware
6 4 Sine
output
enable
0= Enables sine output to 40% of
max amplitude
1= Disables sine output
Configuration is set either by entering the control register value
during TACO or entering the configuration information into the unit
batch list file prior to testing
7 8 Sine
output
level
adjust
0= Zero additional level (default)
1= Adds 15% of max output
Configuration is set by entering the control register value during
TACO. Not configurable in customer firmware.
8 1 Sine
output
level
adjust
0= Zero additional level (default)
1= Adds 10% of max output
Configuration is set by entering the control register value during
TACO. Not configurable in customer firmware.

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