5.12 Switching Characteristics — Serial Con" />
參數(shù)資料
型號: CS49DV8C-CVZR
廠商: Cirrus Logic Inc
文件頁數(shù): 9/30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.
17
CS49DV8C Data Sheet
32-bit Audio DSP Family
5.12 Switching Characteristics — Serial Control Port - I2C Master Mode
Figure 6. Serial Control Port - I2C Master Mode Timing
Parameter
Symbol
Min
Max
Units
SCP_CLK frequency1
1. The specification fiicck 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.
fiicck
-400
kHz
SCP_CLK low time
tiicckl
1.25
-
s
SCP_CLK high time
tiicckh
1.25
-
s
SCP_SCK rising to SCP_SDA rising or falling for START or
STOP condition
tiicckcmd
1.25
s
START condition to SCP_CLK falling
tiicstscl
1.25
-
s
SCP_CLK falling to STOP condition
tiicstp
2.5
-
s
Bus free time between STOP and START conditions
tiicbft
3-
s
Setup time SCP_SDA input valid to SCP_CLK rising
tiicsu
100
ns
Hold time SCP_SDA input after SCP_CLK falling
tiich
20
-
ns
SCP_CLK low to SCP_SDA out valid
tiicdov
-18
ns
SCP_CLK
SCP_SDA
0
1
67
80
1
7
tiicckl
tiicckh
tiicsu
tiich
A6
A0
R/W
ACK
LSB
8
ACK
MSB
tiicstp
6
tiicdov
tiicbft
tiicstscl
tiicckcmd
fiicck
tiicckcmd
tiicf
tiicr
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