CMX838 View Datasheet(PDF) - CML Microsystems Plc
Part Name
Description
MFG CO.
'CMX838' PDF : 71 Pages View PDF
FRS/PMR446/GMRS Family Radio Processor
CMX838
TXMOD1 - Reference Figure 3
PHASE
CONTROL
0 = 0°
1 = 180°
Bit 7
SUBAUDIO
SIGNAL ENABLE
Bit 6
AUDIO SIGNAL
ENABLE
Bit 5
MOD1
Bias
Audio
Tone
Audio + Tone
Inv (Bias + Offset)
Inv (Audio)
Inv (Tone)
Inv (Audio + Tone)
PHASE CONTROL
(Bit 7)
0 = 0°, 1 = 180°
0
0
0
0
1
1
1
1
SUBAUDIO
SIGNAL ENABLE
(Bit 6)
0
0
1
1
0
0
1
1
MOD1 GAIN
Bit 4-0
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
Mod. 1 Gain
Off
-7.5dB
-7.0dB
-6.5dB
-6.0dB
-5.5dB
-5.0dB
-4.5dB
-4.0dB
-3.5dB
-3.0dB
-2.5dB
-2.0dB
-1.5dB
-1.0dB
-0.5dB
0.0dB
0.5dB
1.0dB
1.5dB
2.0dB
2.5dB
3.0dB
3.5dB
4.0dB
4.5dB
5.0dB
5.5dB
6.0dB
6.5dB
7.0dB
7.5dB
AUDIO SIGNAL
ENABLE
(Bit 5)
0
1
0
1
0
1
0
1
Table 11: TXMOD1 CONTROL Register ($88)
2003 CML Microsystems Plc
36
D/838/8
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