參數(shù)資料
型號: CS495304-CVZR
廠商: CIRRUS LOGIC INC
元件分類: 顏色信號轉(zhuǎn)換
中文描述: COLOR SIGNAL DECODER, PQFP128
封裝: LEAD FREE, LQFP-128
文件頁數(shù): 8/35頁
文件大?。?/td> 295K
代理商: CS495304-CVZR
CS4953xx Data Sheet
32-bit Audio Decoder DSP Family
DS705PP8
16
5.12 Switching Characteristics — Serial Control Port - I2C Slave Mode
Figure 5. Serial Control Port - I2C Slave Mode Timing
Parameter
Symbol
Min
Typical
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. Flow control
using the SCP_BSY pin should be implemented to prevent overflow of the input data buffer.
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 falling to SCP_IRQ rising
tiicirqh
——
3*DCLKP + 40
ns
NAK condition to SCP_IRQ low
tiicirql
—3*DCLKP + 20
ns
SCP_CLK rising to SCB_BSY low
tiicbsyl
—3*DCLKP + 20
ns
SCP_BSY
SCP_CLK
SCP_SDA
SCP_IRQ
0
1
67
80
1
7
tiicckl
tiicckh
tiicsu
tiich
A6
A0
R/W
ACK
LSB
tiicirqh
tiicirql
8
ACK
MSB
tiicstp
6
tiiccbsyl
tiicdov
tiicbft
tiicstscl
tiicckcmd
fiicck
tiicckcmd
tiicf
tiicr
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