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參數資料
| 型號： | W9321 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 編解碼器 |
| 英文描述： | ADPCM Codec(ADPCM編解碼器) |
| 中文描述： | MU-LAW, ADPCM CODEC, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數： | 23/35頁 |
| 文件大小： | 457K |
| 代理商： | W9321 |
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Preliminary W9321
Publication Release Date: May 1999
- 23 -
Revision A1
8.2.11. Byte Register 10 (BR10)
B7
B6
B5
B4
B3
B2
B1
B0
BR10
Encoder
Linear
PCM[5]
ro
Encoder
Linear
PCM[4]
ro
Encoder
Linear
PCM[3]
ro
Encoder
Linear
PCM[2]
ro
Encoder
Linear
PCM[1]
ro
Encoder
Linear
PCM[0]
ro
Reserved
Reserved
This register contains the 6 LSB of the linear PCM value for the transmit path. The PCM value must
come from the transmit path of the
Σ
codec-filter and not from an external micro-controller. The left
8 MSB are stored into BR9[b7:b0]. See the description of BR9 for more details. Note that this register
is read-only.
8.2.12. Byte Register 11 (BR11)
B7
B6
B5
B4
B3
B2
B1
B0
BR11
Rx Log-
PCM[7]/
DAC
PCM[13]
ro
Rx Log-
PCM[6]/
DAC
PCM[12]
ro
Rx Log-
PCM[5]/
DAC
PCM[11]
ro
Rx Log-
PCM[4]/
DAC
PCM[10]
ro
Rx Log-
PCM[3]/
DAC
PCM[9]
ro
Rx Log-
PCM[2]/
DAC
PCM[8]
ro
Rx Log-
PCM[1]/
DAC
PCM[7]
ro
Rx Log-
PCM[0]/
DAC
PCM[6]
ro
This register contains the PCM value of the receive path. The PCM value comes from the
companding Log-PCM generated by the sync adjustment block of the decoder in CCITT test mode,
i.e. BR0 (b4:b3) is set to logic "10". Note that, this register is read-only. The combined BR11 (b7:b0)
and BR12 (b7:b2) value is the same as sending the D/A converter .
8.2.13.
Byte Register 12 (BR12)
B7
B6
B5
B4
B3
B2
B1
B0
BR12
DAC
PCM[5]
ro
DAC
PCM[4]
ro
DAC
PCM[3]
ro
DAC
PCM[2]
ro
DAC
PCM[1]
ro
DAC
PCM[0]
ro
Reserved
Reserved
This register contains the 6 LSB of the linear PCM value for the D/A converter. The PCM value
cannot be entered by an external microcontroller. The left 8 MSB are stored into BR11[b7:b0]. See
the description of BR11 for more details. Note that this register is read-only.
8.2.14.
Byte Register 13 (BR13)
B7
B6
B5
B4
B3
B2
B1
B0
BR13
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
This register is reserved and should not be used by the user.
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