T8301 データシートの表示（PDF） - Agere -> LSI Corporation

部品番号

コンポーネント説明

メーカー

T8301

Internet Protocol Telephone Phone-On-A-Chip™ IP Solution DSP

Agere -> LSI Corporation 

Advance Data Sheet

December 2000

T8301 Internet Protocol Telephone

Phone-On-A-Chip IP Solution DSP

5 Audio Input/Output Circuitry (continued)

Table 9. Tone Ringer Amplitude Control Encoding

Bit# TR_AC[3:0]

0000

0001

0010

0011

0100

0101

0110

0111

1000

1001

1010

1011

1100

1101

1110

1111

Volts Out (p-p)

Silent

0.023 V

0.032 V

0.045 V

0.063 V

0.087 V

0.120 V

0.170 V

0.230 V

0.330 V

0.460 V

0.620 V

0.880 V

1.250 V

1.770 V

2.500 V

dB Relative to Maximum Level

dc to midvoltage reference

–40.60

–37.74

–34.88

–32.02

–29.16

–26.30

–23.44

–20.58

–17.72

–14.86

–12.00

–9.00

–6.00

–3.00

0

Tolerance (dB from Nominal)

Not applicable

±0.75

±0.75

±0.75

±0.50

±0.50

±0.50

±0.25

±0.25

±0.25

±0.25

±0.25

±0.25

±0.25

±0.25

Not applicable

Table 10. Tone Ringer Frequency Encoding

Tone Ringer Frequency Encoding

Hz

Hex

Hz

Hex Hz

Hex Hz

Hex Hz

Hex Hz

Hex

24,000 3F 1,067 1D 545.5 35 366.4 6C 277.5 2A 223.3 C5

16,000 1F 1,043 0E 539.3 9A 363.6 36 275.9 95 222.2 62

12,000 0F 1,021 07 533.3 4D 360.9 1B 274.3 CA 221.2 31

9,600 87 1,000 03 527.5 A6 358.2 8D 272.7 E5 220.2 18

8,000 43 979.5 81 521.7 D3 355.5 C6 271.2 72 219.2 0C

6,857 A1 960.0 C0 516.1 69 352.9 E3 269.7 B9 218.2 06

6,000 D0 941.2 60 510.6 34 350.4 F1 268.2 DC 217.2 83

5,333 E8 923.1 30 505.3 1A 347.8 78 266.7 EE 216.2 C1

4,800 F4 905.6 98 500.0 0D 345.3 3C 265.2 77 215.3 E0

4,364 7A 888.9 4C 494.8 86 342.8 9E 263.7 BB 214.3 70

4,000 3D 872.7 26 489.8 C3 340.4 CF 262.3 DD 213.3 B8

3,692 1E 857.1 93 484.9 E1 338.0 E7 260.9 6E 212.4 5C

3,429 8F 842.1 49 480.0 F0 335.7 73 259.5 37 211.5 AE

3,200 C7 827.6 24 475.2 F8 333.3 39 258.1 9B 210.5 57

3,000 63 813.6 92 470.6 7C 331.0 9C 256.7 CD 209.6 AB

2,824 B1 800.0 C9 466.0 BE 328.8 CE 255.3 E6 208.7 55

2,667 58 786.9 64 461.5 DF 326.5 67 253.9 F3 207.8 AA

2,526 2C 774.2 B2 457.1 6F 324.3 33 252.6 79 206.9 D5

2,400 16 761.9 D9 452.8 B7 322.1 19 251.3 BC 206.0 EA

2,286 0B 750.0 EC 448.6 DB 320.0 8C 250.0 DE 205.1 F5

2,182 05 738.5 76 444.4 ED 317.9 46 248.7 EF 204.3 FA

Lucent Technologies Inc.

19

Share Link: