參數(shù)資料
型號(hào): DSPB56374AFC
廠商: Freescale Semiconductor
文件頁數(shù): 11/64頁
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 80-LQFP
標(biāo)準(zhǔn)包裝: 90
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: 150MHz
非易失內(nèi)存: ROM(84 kB)
芯片上RAM: 54kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.25V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
Signal Groupings
DSP56374 Data Sheet, Rev. 4.2
Freescale Semiconductor
19
SCKR_1
Input or output
GPIO
disconnected
Receiver Serial Clock_1—SCKR_1 provides the receiver
serial bit clock for the ESAI_1. The SCKR_1 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_1 register. When
configured as the output flag OF0, this pin will reflect the
value of the OF0 bit in the SAICR_1 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_1 register,
synchronized by the frame sync in normal mode or the slot
in network mode.
PE0
Input, output, or
disconnected
Port E0—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
SCKT_1
Input or output
GPIO
disconnected
Transmitter Serial Clock_1—This signal provides the serial
bit rate clock for the ESAI_1. SCKT_1 is a clock input or
output used by all enabled transmitters and receivers in
synchronous mode, or by all enabled transmitters in
asynchronous mode.
PE3
Input, output, or
disconnected
Port E3—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 11. Enhanced Serial Audio Interface_1 Signals (continued)
Signal Name
Signal Type
State during
Reset
Signal Description
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