参数资料
型号: DSPB56371AF180
厂商: Freescale Semiconductor
文件页数: 18/68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
25
FSR_1
Input or output
GPIO
disconnected
Frame Sync for Receiver_1—This is the receiver frame sync
input/output signal. In the asynchronous mode (SYN=0), the
FSR_1 pin operates as the frame sync input or output used by all
the enabled receivers. In the synchronous mode (SYN=1), it
operates as either the serial flag 1 pin (TEBE=0), or as the
transmitter external buffer enable control (TEBE=1, RFSD=1).
When this pin is configured as serial flag pin, its direction is
determined by the RFSD bit in the RCCR_1 register. When
configured as the output flag OF1, this pin will reflect the value of
the OF1 bit in the SAICR_1 register, and the data in the OF1 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 IF1, the data value at the pin will be stored in the IF1 bit in the
SAISR register, synchronized by the frame sync in normal mode
or the slot in network mode.
PE1
Input, output, or
disconnected
Port E1—When the ESAI_1 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.
FST_1
Input or output
GPIO
disconnected
Frame Sync for Transmitter_1—This is the transmitter frame
sync input/output signal. For synchronous mode, this signal is the
frame sync for both transmitters and receivers. For asynchronous
mode, FST_1 is the frame sync for the transmitters only. The
direction is determined by the transmitter frame sync direction
(TFSD) bit in the ESAI_1 transmit clock control register
(TCCR_1).
PE4
Input, output, or
disconnected
Port E4—When the ESAI_1 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 9. Enhanced Serial Audio Interface_1 Signals
Signal Name
Signal Type
State during
Reset
Signal Description
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