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CMX808A

Family Radio Service CTCSS Processor

MX-COM Inc  

Family Radio Service CTCSS Processor

13

4.1.3.2 Tx/Rx Enabled Set-up example

Power Up

Clear registers $01

CMX808A Preliminary Information

Tx (100Hz)

Rx or Tx?

Rx

(Address 0, 100Hz, ±2.7% bandwidth,

IRQ enabled)

Program 100Hz

into address 0

$84 (1) = 00000101

$84 (2) = 11001111

Program Tx

Frequency to 100Hz

$83 (1) = 00001001

$83 (2) = 11000100

Program bandwidth

to ±2.7%

Enable IRQ mask

Enable Decoder

$80 = 01111101

Enable Tx

$80 = 10000000

Note: $8X is the Hex address/command

Figure 3: Tx/Rx Enabled

©1999 MX-COM, Inc.

www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054

Doc. # 20480199.002

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

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