T2803 View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'T2803' PDF : 28 Pages View PDF
7.2 RAMPDAC Adjustment for TX Mode
Table 7-2.
E10
0
0
0
...
1
1
...
1
1
With bits E6-E10
RAMPDAC Voltage (at Pin 36 RAMP_OUT)
E9
E8
E7
E6
0
0
0
0
VRAMP_OUT
1.1V
0
0
0
1
...
0
0
1
0
...
...
...
...
...
...
0
1
1
1
1.68V
1
0
0
0
1.7V
...
...
...
...
...
1
1
1
0
...
1
1
1
1
1.7V
Note: Only in TX mode effective. Used to control the power of the external PA by adjusting the ramping
voltage
7.3 TEST Mode Settings
Table 7-3.
E2
0
0
0
0
1
1
1
1
With bits E0-E2
E1
E0
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
Signal at Lock Detect Output
Lock detect
PC out/2
RC out/2
do not care
Lock detect
PC out/2
RC out/2
GFTEST: RC out
CP Mode
Active
Active
Active
Active
Active
Active
Active
Active
Note: In normal operation Lock detect output is used. All other settings are for test only.
7.4 Output Power Settings
Table 7-4.
With bits E11-E12
PA (Output Power Settings)
E12
E11
0
0
0
1
1
0
1
1
Note: Use of maximum power (+3 dBm) for external PA is recommended.
PA
–21 dBm
–11 dBm
–4 dBm
+3 dBm
20 T2803
4572I–DECT–07/05
Share Link: 
