Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2 Freescale Semico" />
參數(shù)資料
型號(hào): DSPB56725CAF
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 9/48頁(yè)
文件大?。?/td> 0K
描述: IC DSP 24BIT 80LQFP
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: 200MHz
非易失內(nèi)存: 外部
芯片上RAM: 112kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.00V
工作溫度: -40°C ~ 85°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
Symphony DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Freescale Semiconductor
17
36
First SCK sampling edge to HREQ output
deassertion
Slave
Bypassed
45
ns
Very Narrow
55
ns
Narrow
95
ns
Wide
145
ns
37
Last SCK sampling edge to HREQ output
not deasserted (CPHA = 1)
Slave
Bypassed
50.0
ns
Very Narrow
60.0
ns
Narrow
100.0
ns
Wide
150.0
ns
38
SS deassertion to HREQ output not
deasserted (CPHA = 0)
Slave
45.0
ns
39
SS deassertion pulse width (CPHA = 0)
Slave
2
× TC
0—
ns
40
HREQ in deassertion to last SCK sampling
edge (HREQ in set-up time) (CPHA = 1)
Master
0
ns
41
First SCK edge to HREQ in not asserted
(HREQ in hold time)
Master
0
ns
42
HREQ assertion width
Master
3.0
× TC
15
ns
Note:
1. 0.95 V < VVDD_CORE < 1.05 V and TJ < 100° C, CL = 50 pF
2. Periodically sampled, not 100% tested
3. All times assume noise free inputs.
4. All times assume internal clock frequency of 200 MHz.
5. SHI_1 specs match those of SHI
6. Slave timings should equal the serial clock high period + the serial clock low period.
Table 9. Serial Host Interface SPI Protocol Timing (Continued)
No.
Characteristics1,3,4
Mode
Filter Mode
Expression
Min
Max
Unit
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