msm7584c Oki Semiconductor, msm7584c Datasheet - Page 47

• Manufacturer Part Number: msm7584c
• Description: Pi /4 Shift Qpsk Modem/adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
(15) CR16 (I– Output Offset Voltage Adjustment)
(16) CR17 (Q– Output Offset Voltage Adjustment)
CR11 - B7 B6 B5 B4 B3
CR12 - B7 B6 B5 B4 B3
CR17
Initial Value
CR16
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B7 - B3: ......I– output pin offset voltage adjustment (refer to Table 9)
B2 - B0: ......Not used
B7 - B3: ......Q– output pin offset voltage adjustment (refer to Table 9)
B2 - B0: ......Not used
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
Offset4
Offset4
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
Qch
B7
B7
lch
0
0
Table 9 Ich and Qch Offset Adjustment Values
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Offset3
Offset3
Offset Voltage
Qch
B6
B6
lch
0
0
(mV)
+45
+42
+39
+36
+33
+30
+27
+24
+21
+18
+15
+12
+9
+6
+3
0
Offset2
Offset2
Qch
B5
B5
lch
0
0
CR11 - B7 B6 B5 B4 B3
CR12 - B7 B6 B5 B4 B3
Offset1
Offset1
Qch
B4
B4
lch
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Offset0
Offset0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Qch
B3
B3
lch
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
B2
B2
—
—
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Offset Voltage
B1
B1
—
—
0
0
(mV)
MSM7584C
–12
–15
–18
–21
–24
–27
–30
–33
–36
–39
–42
–45
–48
–3
–6
–9
B0
B0
—
—
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0
0