參數(shù)資料
型號(hào): DSPB56362AG120
廠商: Freescale Semiconductor
文件頁數(shù): 71/152頁
文件大?。?/td> 0K
描述: IC DSP 24BIT AUD 120MHZ 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時(shí)鐘速率: 120MHz
非易失內(nèi)存: ROM(126 kB)
芯片上RAM: 42kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
Digital Audio Interface (DAX)
DSP56362 Technical Data, Rev. 4
Freescale Semiconductor
2-19
2.10
Digital Audio Interface (DAX)
2.11
Timer
Table 2-12 Digital Audio Interface (DAX) Signals
Signal
Name
Type
State During Reset
Signal Description
ACI
PD0
Input
Input, Output, or
Disconnected
Audio Clock Input—This is the DAX clock input. When programmed
to use an external clock, this input supplies the DAX clock. The
external clock frequency must be 256, 384, or 512 times the audio
sampling frequency (256
× Fs, 384 × Fs or 512 × Fs, respectively).
Port D 0—When the DAX is configured as GPIO, this signal is
individually programmable as input, output, or internally disconnected.
The default state after reset is GPIO disconnected.
This input is 5 V tolerant.
ADO
PD1
Output
Input, Output, or
Disconnected
Digital Audio Data Output—This signal is an audio and non-audio
output in the form of AES/EBU, CP340 and IEC958 data in a biphase
mark format.
Port D 1—When the DAX is configured as GPIO, this signal is
individually programmable as input, output, or internally disconnected.
The default state after reset is GPIO disconnected.
This input is 5 V tolerant.
Table 2-13 Timer Signal
Signal
Name
Type
State During Reset
Signal Description
TIO0
Input or Output
Input
Timer 0 Schmitt-Trigger Input/Output—When timer 0 functions as
an external event counter or in measurement mode, TIO0 is used as
input. When timer 0 functions in watchdog, timer, or pulse modulation
mode, TIO0 is used as output.
The default mode after reset is GPIO input. This can be changed to
output or configured as a timer input/output through the timer 0
control/status register (TCSR0). If TIO0 is not being used, it is
recommended to either define it as GPIO output immediately at the
beginning of operation or leave it defined as GPIO input but connected
it to Vcc through a pull-up resistor in order to ensure a stable logic level
at the input.
This input is 5 V tolerant.
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