参数资料
型号: DSPB56725CAF
厂商: Freescale Semiconductor
文件页数: 30/48页
文件大小: 0K
描述: IC DSP 24BIT 80LQFP
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: 200MHz
非易失内存: 外部
芯片上RAM: 112kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.00V
工作温度: -40°C ~ 85°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
Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Freescale Semiconductor
36
Table 17 lists the EMC timing parameters with EMC PLL bypassed.
Table 17. EMC Timing Parameters (EMC PLL Bypassed; LRCC[CLKDIV] = 4)
Parameter
Symbol
Min
Max
Unit
LCLK cycle time
Tclk
4
× Tc
—ns
Input setup to LCLK (except LGTA/LUPWAIT)
Tin_s
8—
ns
Input hold from LCLK (except LGTA/LUPWAIT)1
Tin_h
–1
ns
LGTA valid time
Tgta
22
ns
LUPWAIT valid time
Tupwait
22
ns
LALE negedge to LAD (address phase) invalid (address latch hold
time)
Tale_h
4—
ns
LALE valid time
Tale
14
ns
Output setup from LCLK (except LAD[23:0] and LALE)
Tout_s
9—
ns
Output hold from LCLK (except LAD[23:0] and LALE)
Tout_h
8—
ns
LAD[23:0] output setup from LCLK
Tad_s
8—
ns
LAD[23:0] output hold from LCLK
Tad_h
7—
ns
LCLK to output high impedance for LAD[23:0]
Tad_z
—8.1
ns
Note: Negative hold time means the signal could be invalid before LCLK rising edge.
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