參數(shù)資料
型號： VPX3224D
廠商： Electronic Theatre Controls, Inc.
英文描述： Video Pixel Decoders
中文描述： 視頻解碼器像素
文件頁數(shù)： 36/92頁
文件大?。?/td> 672K
代理商： VPX3224D
PRELIMINARY DATA SHEET
VPX 3225D, VPX 3224D
36
Micronas
Write to Hardware Control Registers
S
1 0 0 0 0 1 1 0
ACK
sub-addr
ACK
send data-byte
ACK
P
Read from Hardware Control Registers
S
1 0 0 0 0 1 1 0
ACK
sub-addr
ACK
S
1 0 0 0 0 1 1 1
ACK
receive data-byte
NAK
P
Note:
S =
P =
ACK = Acknowledge-Bit (active low on SDA from receiving device)
NAK = No Acknowledge-Bit (inactive high on SDA from receiving device)
I
2
C-Bus Start Condition
I
2
C-Bus Stop Condition
Fig. 2–40:
I
2
C bus protocol
(MSB first)
SDA
SCL
1
0
S
P
2.14.5. FP Control and Status Registers
Due to the internal architecture of the VPX, the IC cannot
react immediately to all I
2
C requests which interact with
the embedded processor (FP). The maximum response
timing is appr. 20 ms (one TV field) for the FP processor
if TV standard switching is active. If the addressed pro-
cessor is not ready for further transmissions on the I
2
C
bus, the clock line SCL is pulled low. This puts the cur-
rent transmission into a wait state called clock synchro-
nization. After a certain period of time, the VPX releases
the clock and the interrupted transmission is carried on.
Before accessing the address or data registers for the
FP interface (FPRD, FPWR, FPDAT), make sure that
the busy bit of FP is cleared (FPSTA).
Write to FP
S
1 0 0 0 0 1 1 0
ACK
FPWR
ACK
send FP-address-
byte high
ACK
send FP-address-
byte low
ACK
P
S
1 0 0 0 0 1 1 0
ACK
FPDAT
ACK
send data-byte
high
ACK
send data-byte
low
ACK
P
Read from FP
S
1 0 0 0 0 1 1 0
ACK
FPRD
ACK
send FP-address-
byte high
ACK
send FP-address-
byte low
ACK
P
S
1 0 0 0 0 1 1 0
ACK
FPDAT
ACK
S
1 0 0 0 0 1 1 1
ACK
receive data-byte
high
ACK
receive data-byte
low
NAK
P
相關(guān)PDF資料
PDF描述
VPX3224E Video Pixel Decoders
VPX322XE Video Pixel Decoders
VQ1000J N-Channel Enhancement-Mode MOSFET Transistor(最小漏源擊穿電壓60V,夾斷電流0.225A的N溝道增強(qiáng)型MOSFET晶體管)
VQ1000J N-Channel 60-V (D-S) MOSFET
VQ1001J Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VPX3224D-C3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microprocessor
VPX3224E 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Video Pixel Decoders
VPX3225D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video Pixel Decoders
VPX3225D-C3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microprocessor
VPX3225E 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:Video Pixel Decoders
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