参数资料
型号: DSPB56367AG150
厂商: Freescale Semiconductor
文件页数: 16/100页
文件大小: 0K
描述: IC DSP 24BIT 150MHZ 144-LQFP
标准包装: 60
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 150MHz
非易失内存: ROM(240 kB)
芯片上RAM: 69kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.80V
工作温度: -40°C ~ 95°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
SPDIF Transmitter Digital Audio Interface
DSP56367 Technical Data, Rev. 2.1
2-18
Freescale Semiconductor
2.14
SPDIF Transmitter Digital Audio Interface
2.15
Timer
Table 2-13 Digital Audio Interface (DAX) Signals
Signal
Name
Type
State During
Reset
Signal Description
ACI
PD0
Input
Input, Output, or
Disconnected
GPIO
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 3.3V tolerant.
ADO
PD1
Output
Input, Output, or
Disconnected
GPIO
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 3.3V tolerant.
Table 2-14 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 to Vcc through a pull-up resistor in order to ensure
a stable logic level at this input.
This input is 3.3 V tolerant.
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