msm7586-01 Oki Semiconductor, msm7586-01 Datasheet - Page 32

• Manufacturer Part Number: msm7586-01
• Description: Shift Qpsk Modem/adpcm Codec
• Manufacturer: Oki Semiconductor

¡ Semiconductor
(4) CRM3 (I- Output Offset Voltage Adjustment)
(5) CRM4 (Q- Output Offset Voltage Adjustment)
CRM3 - B7 B6 B5 B4 B3
CRM4 - B7 B6 B5 B4 B3
CRM3
Initial Value
CRM4
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B7 to B3: .... I- output pin offset voltage adjustment (refer to Table 5)
B2 to B0: .... Not used
B7 to B3: .... Q- output pin offset voltage adjustment (refer to Table 5)
B2 to 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
Ich
B7
0
0
Table 5: 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
Ich
B6
0
0
+45 mV
+42 mV
+39 mV
+36 mV
+33 mV
+30 mV
+27 mV
+24 mV
+21 mV
+18 mV
+15 mV
+12 mV
+9 mV
+6 mV
+3 mV
0 mV
Offset2
Offset2
Qch
B5
Ich
B5
0
0
CRM3 - B7 B6 B5 B4 B3
CRM4 - B7 B6 B5 B4 B3
Offset1
Offset1
Qch
B4
Ich
B4
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
Ich
B3
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
MSM7586-01/03
B1
B1
—
—
0
0
– 12 mV
–15 mV
–18 mV
–21 mV
–24 mV
–27 mV
–30 mV
–33 mV
–36 mV
–39 mV
–42 mV
–45 mV
–48 mV
–3 mV
–6 mV
–9 mV
B0
B0
32/42
—
—
0
0