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參數(shù)資料
| 型號： | PS9702B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 6Ch, 24bit, 192kHz Digital Audio Processor for Full Digital Amplifier |
| 中文描述： | 6通道，24位，192kHz的數(shù)字音頻處理器的全數(shù)字放大器 |
| 文件頁數(shù)： | 6/41頁 |
| 文件大?。?/td> | 505K |
| 代理商： | PS9702B |
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PULSUS
PS9702B
Copyright 2000-2003, Pulsus Technologies Inc
.
6
2003 REV1.2
Name
Pin NO.
Type
Description
SI/I2C_AD0
81
I
SI for SPI mode or Slave Address 0 for I2C mode.
Schmitt-Trigger input.
Internal pull-down resistor.
/CS/I2C_AD2
82
I
Chip selector (CS) for SPI mode or Slave Address 2 for I2C
mode.
Schmitt-Trigger input.
Internal pull-down resistor.
Special Control Interface
EXT_MUTE
42
I
External mute control input. Active High.
Assert ‘HIGH’ to mute the output.
Internal pull-down resistor.
PWM_INVERT
74
I
Inverting control input of the PWM output. Active High.
Assert ‘HIGH’ to invert the PWM output.
Default is non-inverting mode.
Internal pull-down resistor.
OVERLOAD
76
I
Power stage overload indication input.
Polarity is programmable. Schmitt-Trigger input.
When OVERLOAD is asserted, all PWM audio outputs go to
“LOW” (if PWM_INVERT pin is ‘LOW”).
Internal pull-down resistor.
AD_GAIN[0:1]
30, 31
O
External A/D converter’s gain control output.
Test Mode
PLL_TEST
1
I
Internal PLL test mode. Active High.
In normal operation, it should be “LOW” or not connected.
Internal pull-down resistor.
SCAN_TEST
94
I
Scan test mode selector. Active High.
In normal operation, it should be “LOW” or not connected.
Internal pull-down resistor.
SCAN_ENA
95
I
Scan enable. Active High.
In normal operation, it should be “LOW” or not connected.
Internal pull-down resistor.
RAM_TEST
96
I
Internal SRAM test mode. Active High.
In normal operation, it should be “LOW” or not connected.
Internal pull-down resistor.
IO_TSTEN
98
I
I/O Test pin. Active High.
In normal operation, it should be “LOW” or not connected.
Internal pull-down resistor.
NC
87, 88, 97
Not connected pin.
This pin should not be connected to any other signal.
※
All inputs and bi-directional inputs are 5 Volt tolerant. The corresponding pins can be connected to the buses that can
swing between 0V and 5V. The output-only pins are not 5V tolerant and the buses they are connected to can swing only
between 0V and 3.3V.
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