参数资料
型号: DSPB56725CAF
厂商: Freescale Semiconductor
文件页数: 28/48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
34
1.2.9
EMC Timing Specifications—DSP56724
Table 16 lists the EMC timing parameters with EMC PLL enabled.
NOTE
The DSP56725 device does not have an EMC module.
Table 16. EMC Timing Parameters (EMC PLL Enabled; LCRR[CLKDIV] = 2)
Parameter
Symbol
Min
Max
Unit
LCLK cycle time
Tclk
2
× Tc
—ns
LCLK skew to LSYNC_OUT
Tclk_skew
160
ps
Input setup to LSYNC_IN (except LGTA/LUPWAIT)
Tin_s
3—
ns
Input hold from LSYNC_IN (except LGTA/LUPWAIT)
Tin_h
2—
ns
LGTA valid time
Tgta
12
ns
LUPWAIT valid time
Tupwait
12
ns
LALE negedge to LAD (address phase) invalid (address latch hold time)
Tale_h
3—
ns
LALE valid time
Tale
3.8
ns
Output setup from LSYNC_IN (except LAD[23:0] and LALE)
Tout_s
4—
ns
Output hold from LSYNC_IN (except LAD[23:0] and LALE)
Tout_h
2—
ns
LAD[23:0] output setup from LSYNC_IN
Tad_s
3.5
ns
LAD[23:0] output hold from LSYNC_IN
Tad_h
1.5
ns
LSYNC_IN to output high impedance for LAD[23:0]
Tad_z
—4.3
ns
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