参数资料
型号: TVP5158IPNP
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP128
封装: GREEN, PLASTIC, HTQFP-128
文件页数: 44/108页
文件大小: 1395K
代理商: TVP5158IPNP
I
2C Registers
VBUS Registers
00h
FFh
00 0000h
A0 3FFFh
VBUS
Data
VBUS
Address
VBUS [23:0]
Host
Processor
I
2C
40 3EEFh
E0h
E8h
Comb
Filter RAM
E1h
EAh
40 3E50h
SLES243E
– JULY 2009 – REVISED MARCH 2011
3.10.3 VBUS Access
The TVP5158 video decoder has additional internal registers accessible through an indirect access to an
internal 24-bit address wide VBUS. Figure 3-20 shows the VBUS registers access.
Figure 3-20. VBUS Access
VBUS Write
Single Byte
S
B8
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
S
B8
ACK
E0
ACK
Send Data
ACK
P
Multiple Bytes
S
B8
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
S
B8
ACK
E1
ACK
Send Data
ACK
. . .
Send Data
ACK
P
VBUS Read
Single Byte
S
B8
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
S
B8
ACK
E0
ACK
S
B9
ACK
Read Data
NAK
P
Multiple Bytes
S
B8
ACK
E8
ACK
VA0
ACK
VA1
ACK
VA2
ACK
P
S
B8
ACK
E1
ACK
S
B9
ACK
Read Data
MACK
. . .
Read Data
NAK
P
NOTE:
Examples use default I2C address
ACK:
Acknowledge generated by the slave
MACK:
Acknowledge generated by the master
NAK:
No Acknowledge generated by the master
40
Functional Description
Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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