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: 96/108页
文件大小: 1395K
代理商: TVP5158IPNP
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-95. Decoder Read Enable
Subaddress
FFh
Default
01h
7
6
5
4
3
2
1
0
Decoder Auto
Reserved
Addr Auto Incr
Decoder 4
Decoder 3
Decoder 2
Decoder 1
Incr
This register controls which of the four decoder cores responds to I2C read transactions. A 1in the corresponding bit position will enable the
decoder to respond to read commands. A 1in Decoder Auto Increment will read the next byte from the next enabled decoder. If Decoder
Auto Increment is 0 and more than one decoder is enabled for reading then only the lowest numbered decoder will respond. A 1in Address
Auto Increment causes the sub-address to increment after read(s) of the current sub-address are completed.
The following table shows how the address auto-increment and decoder auto-increment functions operate when a multi-byte I2C read
transaction occurs. For this example, decoders 2, 3 and 4 are enabled for reads, the sub-address is 0xA0 and 8 bytes of data are read.
Decoder Auto Incr
0
1
Addr Auto Incr
0
1
0
1
Data
Dec
Addr
Dec
Addr
Dec
Addr
Dec
Addr
1st
2
A0
2
A0
2
A0
2
A0
2nd
2
A0
2
A1
3
A0
3
A0
3rd
2
A0
2
A2
4
A0
4
A0
4th
2
A0
2
A3
2
A0
2
A1
5th
2
A0
2
A4
3
A0
3
A1
6th
2
A0
2
A5
4
A0
4
A1
7th
2
A0
2
A6
2
A0
2
A2
8th
2
A0
2
A7
3
A0
3
A2
88
Internal Control Registers
Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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