xPC Target    

CIO-CTR05 FM Capture

This block programs the AMD9513A for capturing FM signals.

There is one output for relative frequency compared to the base frequency. To get the actual frequency, multiply the base frequency by the relative frequency.

Scaling Input to Output

Hardware Output
 Block Input Data Type
 Scaling
TTL
 double
 0 to 1

Driver Block Parameters

Counter - From the list, choose 1, 2, 3, 4 or 5. This selects which counter the driver block uses to determine the FM. In each case, one block is needed for each counter.

Frequency Base - From the list, choose F1=1MHz, F2=100kHz, F3=10kHz, F4=1kHz, or F5=100Hz to set the base frequency. The XTAL frequency is assumed to be 1MHz, therefore the jumper on the CIO-CTR05 has to be in position 1MHz not 5MHz.

Sample Time - Enter the base sample time or a multiple of the base sample time. The sample time indicates the update rate of registration on the input (Duty Cycle)

BaseAddress - Enter the base address of the board. This entry must corresponds to the DIP-switch settings on the board. For example, if the base address is 300 (hexadecimal), enter


 CIO-CTR05 PWM Capture CIO-CTR10