msm7586-01 Oki Semiconductor, msm7586-01 Datasheet - Page 31
msm7586-01
Manufacturer Part Number
msm7586-01
Description
Shift Qpsk Modem/adpcm Codec
Manufacturer
Oki Semiconductor
Datasheet
1.MSM7586-01.pdf
(42 pages)
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(3) CRM2 (Output to R7 to R4 pins)
¡ Semiconductor
(2) CRM1 (I and Q Gain Adjustment)
CRM2
Initial Value
CRM1
Initial Value
CRM1 - B7 B6
CRM1 - B3 B2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
B7 to B4: .... I+ and I- output gain setting: 3 mV steps (refer to Table 4)
B3 to B0: .... Q+ and Q- output gain setting: 3 mV steps (refer to Table 4)
B7 to B4: .... Output to R7 to R4 pin
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
B5
B1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
GAIN3
B7
R7
B7
Ich
0
0
B4
B0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Table 4: I and Q Gain Setting Table
GAIN2
B6
B6
R6
Ich
0
0
GAIN1
B5
R5
B5
Ich
0
0
Amplitude value: 1.042 reference value
GAIN0
B4
R4
B4
Ich
0
0
1.000 (Reference value)
Description
GAIN3
1.036
1.030
1.024
1.018
1.012
1.006
0.994
0.988
0.982
0.976
0.970
0.964
0.958
0.952
Qch
B3
B3
—
0
0
GAIN2
Qch
B2
B2
—
0
0
MSM7586-01/03
GAIN1
Qch
B1
B1
—
0
0
GAIN0
Qch
B0
31/42
B0
—
0
0
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