MTK AFC校准无法读到DAC的问题
时间：10-02
整理：3721RD
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MTK6229平台,MTK6140+RF3159,AFC校不过,校准数据如下,请新鸟老鸟帮忙看一下.
ATE Tool Version:5.3.7
Part Number: MT6229
Serial Number: 000001
Revision: W05.24
Batch: 01
Bar Code: MT012345678901234567
Error Code: 501
------------
Enter into META Mode OK
CAP ID[0]:0,DAC:0,Freq:0.00(PPM),Center Freq:798.60,Tch:0
CAP ID[1]:63,DAC:0,Freq:0.00(PPM),Center Freq:798.60,Tch:0
Crystal CAPID check begin
CAPID=62,AFC DAC=0,FreqErr=0.0
PASS: Freq error PPM =0.0
CAPID=62,AFC DAC=0,FreqErr=0.0
PASS: Freq error PPM =0.0
result[0]:0.0
result[1]:0.0
AFC Calibration Failed,Slop:0.068,min:0.000,max:0.000
ATE Tool Version:5.3.7
Part Number: MT6229
Serial Number: 000001
Revision: W05.24
Batch: 01
Bar Code: MT012345678901234567
Error Code: 501
------------
Enter into META Mode OK
CAP ID[0]:0,DAC:0,Freq:0.00(PPM),Center Freq:798.60,Tch:0
CAP ID[1]:63,DAC:0,Freq:0.00(PPM),Center Freq:798.60,Tch:0
Crystal CAPID check begin
CAPID=62,AFC DAC=0,FreqErr=0.0
PASS: Freq error PPM =0.0
CAPID=62,AFC DAC=0,FreqErr=0.0
PASS: Freq error PPM =0.0
result[0]:0.0
result[1]:0.0
AFC Calibration Failed,Slop:0.068,min:0.000,max:0.000
连数据都没有读出来
全是0
根本没法校准
连数据都没有读出来
全是0
这个现象没见过 最起码CAP ID 值能读出来的 要不让怎么能测试到下一部...
换个版本的meta 试试 ,meta 5.0828.
你这个因该是考虑带edge 的吧。
capid=62?，太大了吧，一般20左右啊。
换个晶振试试
capid=62?，太大了吧，一般20左右啊,是有点儿大,我们测出来的是30左右.
看下软件里面天线开关的设置.
CRYSTAL_DAC1=3800
CRYSTAL_DAC2=4200