SIGNALCORE SC5412A, Operating And Programming Manual, Page: 16 / 30

SC5412A Operating & Programming Manual Rev 1.1.0 13
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O N F I G U R A T I O N
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E G I S T E R S
Configuration Registers
The users may write the configuration registers (write only) directly by calling the sc5412a_RegWrite
function. The syntax for this function is sc5412a_RegWrite(deviceHandle, registerCommand,
instructWord) . The instructWord takes a 64 bit-word. However, it will only send the required number of
bytes to the device. Table 2 summarizes the register addresses (commands) and the effective bytes of
command data.
Table 2. Configuration registers.
Register (Address)
Reg
Code
Serial
Range
MSB
Bit 7 MSB
Bit 6 MSB
Bit 5 MSB
Bit 4 MSB
Bit 3 MSB
Bit 2 MSB Bit
1 MSB Bit
0
INITIALIZE 0x01 [7:0] Mode
SET_SYSTEM_ACTIVE 0x02 [7:0]
Enable
SYS LED
RF_FREQUENCY 0x10
[7:0] MHz Frequency Word [7:0]
[15:8] MHz Frequency Word [15:8]
[23:16] MHz Frequency Word [23:16]
[31:24] MHz Frequency Word [31:24]
[39:32] MHz Frequency Word [39:32]
RF_AMPLIFIER 0x12 [7:0] Amplifier Mode
RF_ATTENUATION 0x13
[7:0] Attenuation
[15:8] Attenuator #
RF_PATH 0x14 [7:0] Path
RF_FILTER_SELECT 0x15 [7:0] Filter [3:0]
LO_FILTER_SELECT 0x16 [7:0] Filter [3:0]
LO_OUT_ENABLE 0x17 [7:0]
Enable
LO Out
DC_OFFSET_DAC 0x1A
[7:0] DAC value [7:0]
[15:8] DAC value [13:8]
[23:16] Channel
LINEARITY_DAC 0x1B
[7:0] DAC value [7:0]
[15:8] DAC value [13:8]
[23:16] Channel
STORE_STARTUP_STATE 0x1D [7:0]
USER_EEPROM_WRITE 0x1F
[7:0] Address [7:0]
[15:8] Address [15:8]
[23:16] Byte[7:0]