参数资料
型号: DSPB56371AF180
厂商: Freescale Semiconductor
文件页数: 14/68页
文件大小: 0K
描述: IC DSP 24BIT 180MHZ 80-LQFP
标准包装: 90
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 180MHz
非易失内存: ROM(384 kB)
芯片上RAM: 264kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.25V
工作温度: -40°C ~ 115°C
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
Signal/Connection Descriptions
DSP56371 Data Sheet, Rev. 4.1
Freescale Semiconductor
21
SCKR
Input or output
GPIO
disconnected
Receiver Serial Clock—SCKR provides the receiver serial bit
clock for the ESAI. The SCKR operates as a clock input or output
used by all the enabled receivers in the asynchronous mode
(SYN=0), or as serial flag 0 pin in the synchronous mode (SYN=1).
When this pin is configured as serial flag pin, its direction is
determined by the RCKD bit in the RCCR register. When
configured as the output flag OF0, this pin will reflect the value of
the OF0 bit in the SAICR register, and the data in the OF0 bit will
show up at the pin synchronized to the frame sync in normal mode
or the slot in network mode. When configured as the input flag IF0,
the data value at the pin will be stored in the IF0 bit in the SAISR
register, synchronized by the frame sync in normal mode or the slot
in network mode.
PC0
Input, output, or
disconnected
Port C0—When the ESAI is configured as GPIO, this signal is
individually programmable as input, output, or internally
disconnected.
The default state after reset is GPIO disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
SCKT
Input or output
GPIO
disconnected
Transmitter Serial Clock—This signal provides the serial bit rate
clock for the ESAI. SCKT is a clock input or output used by all
enabled transmitters and receivers in synchronous mode, or by all
enabled transmitters in asynchronous mode.
PC3
Input, output, or
disconnected
Port C3—When the ESAI is configured as GPIO, this signal is
individually programmable as input, output, or internally
disconnected.
The default state after reset is GPIO disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
SDO5
Output
GPIO
disconnected
Serial Data Output 5—When programmed as a transmitter, SDO5
is used to transmit data from the TX5 serial transmit shift register.
SDI0
Input
Serial Data Input 0—When programmed as a receiver, SDI0 is
used to receive serial data into the RX0 serial receive shift register.
PC6
Input, output, or
disconnected
Port C6—When the ESAI is configured as GPIO, this signal is
individually programmable as input, output, or internally
disconnected.
The default state after reset is GPIO disconnected.
Internal Pull down resistor.
This input is 5 V tolerant.
Table 8. Enhanced Serial Audio Interface Signals (continued)
Signal
Name
Signal Type
State during
Reset
Signal Description
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