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參數(shù)資料
| 型號： | MSM7590L-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Multi-Function ADPCM CODEC |
| 中文描述： | 多功能差分PcM編解碼器 |
| 文件頁數(shù)： | 18/26頁 |
| 文件大小： | 173K |
| 代理商： | MSM7590L-01 |
18/26
Semiconductor
MSM7590L-01
FUNCTIONAL DESCRIPTION
Control Registers
(1) CR0 (Basic operating mode)
B0
PDN
B1
B2
B3
B4
B5
B6
B7
SAO/AOUT
0
—
0
—
0
0
0
PDN ALL
0
—
0
A/
m
SEL
0
CR0
Initial Value
—
—
Note: Initial Value: Reset state by
PDN/RESET
B7 ...PCM Companding law select;
B6 ...Not used
B5 ...Power down (entire system);
When using this data for power down control, set pin
PDN/RESET
at“1”level.
The control registers are not reset by this signal.
B2 ...Not used
B1 ...Not used
B0 ...Power Down for Sound output amps: (SAO+, SAO–), or Receiver output amp (AOUT+,
AOUT–, VFRO );
If this data is set to digital “1”, either a pair of sound amplifiers or a pair of reciver
amplifiers enters the power down state depending on the set data on CR4-B5.
If this data is set to digital "0", sound amplifiers and receiver amplifiers are in the power-
on state.
B4, B3 ...Not used (These pins are used to test the device. They should be set to "0" during
normal operation.)
0/
μ
-law, 1/A-law
0/Power on, 1/Power down
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