參數(shù)資料
型號(hào)： 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(yè)數(shù)： 9/41頁(yè)
文件大?。?/td> 505K
代理商： PS9702B
PULSUS
PS9702B
Control Interface Protocol
1. I
2
C Control Interface
Copyright 2000-2003, Pulsus Technologies Inc
.
9
2003 REV1.2
The pin
SPI/I2C
selects the control interface method. When the pin
SPI/I2C
is grounded, the control
interface method is I
2
C interface.
The I
2
C slave address can be varied using two I
2
C slave address setting pin,
I2C_AD0
and
I2C_AD2
.
The base slave address is 0x38 with
I2C_AD0
and
I2C_AD2
pin grounded. Figure below shows you the
configuration of slave address.
Start
Condition
SCL
I2C_AD2
I2C_AD0
SDA
AD2
AD0
0
1
1
1
0
R/W
ACK
Slave Address (7 bit)
I2C_AD2
I2C_AD0
PS9702B Slave Address
0
0
1
1
0
1
0
1
0x38 (0b0111000)
0x39 (0b0111001)
0x3C (0b0111100)
0x3D (0b0111101)
The control registers has 8-bit address space and 16-bit or 24-bit data length. If the upper two bits of
register address are all HIGH, 11xx xxxx, then the data length will be three bytes (24 bits). The other case,
the data length will be two bytes (16 bits).
The I
2
C control protocol diagram is in the next page.
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