參數(shù)資料
型號(hào): CS49DV8C-CVZR
廠商: Cirrus Logic Inc
文件頁數(shù): 7/30頁
文件大?。?/td> 0K
描述: IC DSP 32BIT DUAL AUDIO 128-LQFP
標(biāo)準(zhǔn)包裝: 750
系列: CS49DV8
類型: 定點(diǎn)
接口: I²C,SPI,UART
時(shí)鐘速率: 150MHz
非易失內(nèi)存: ROM(576 kB)
芯片上RAM: 328kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.80V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 128-LQFP
供應(yīng)商設(shè)備封裝: 128-LQFP(14x20)
包裝: 帶卷 (TR)
DS868PP2
Copyright 2008 Cirrus Logic, Inc.
15
CS49DV8C Data Sheet
32-bit Audio DSP Family
5.10 Switching Characteristics — Serial Control Port - SPI Master Mode
Figure 4. Serial Control Port - SPI Master Mode Timing
Parameter
Symbol
Min
Typical
Max
Units
SCP_CLK frequency1
1. The specification fspisck indicates the maximum speed of the hardware. The system designer should be
aware that the actual maximum speed of the communication port may be limited by the firmware
application.
3. SCP_CLK PERIOD refers to the period of SCP_CLK as being used in a given application. It does not refer
to a tested parameter.
fspisck
-Fxtal/2 (See
Footnote 2)
MHz
SCP_CS falling to SCP_CLK rising 3
tspicss
-
11*DCLKP +
(SCP_CLK PERIOD)/2
-ns
SCP_CLK low time
tspickl
18
-
ns
SCP_CLK high time
tspickh
18
-
ns
Setup time SCP_MISO input
tspidsu
11
-
ns
Hold time SCP_MISO input
tspidh
5-
ns
SCP_CLK low to SCP_MOSI output valid
tspidov
-11
ns
SCP_CLK low to SCP_CS falling
tspicsl
7-
ns
SCP_CLK low to SCP_CS rising
tspicsh
-
11*DCLKP +
(SCP_CLK PERIOD)/2
-ns
Bus free time between active SCP_CS
tspicsx
3*DCLKP
-
ns
SCP_CLK falling to SCP_MOSI output high-Z
tspidz
-20
ns
EE_CS
SCP_CLK
SCP_MISO
SCP_MOSI
0
1267
0
56
7
tspicss
tspickl
tspickh
tspidsu
tspidh
tspidov
A6
A5
A0
R/W
MSB
LSB
MSB
LSB
tspicsh
tspicsx
fspisck
tspidz
tspicsl
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