Datasheet
TVP5158, TVP5157, TVP5156
SLES243G –JULY 2009–REVISED APRIL 2013
www.ti.com
Table 4-93. Interrupt Clear
Subaddress F6h
Default 00h
7 6 5 4 3 2 1 0
Reserved Sig_Present Weak_Sig V_Lock Macrovision Vid_Std Reserved
The host interrupt clear register is used by the external processor to clear the interrupt status bits in the host interrupt status register. When
no non-masked interrupts remain set in the register, the external interrupt pin also becomes inactive.
Sig_Present
Signal present change interrupt clear
0 No effect (default)
1 Clear interrupt bit
Weak_Sig
Weak signal change interrupt clear
0 No effect (default)
1 Clear interrupt bit
V_Lock
Vertical lock change interrupt clear
0 No effect (default)
1 Clear interrupt bit
Macrovision
Macrovision change interrupt clear
0 No effect (default)
1 Clear interrupt bit
Vid_Std
Video standard change interrupt clear
0 No effect (default)
1 Clear interrupt bit
Table 4-94. Decoder Write Enable
Subaddress FEh
Default 0Fh
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 receives I
2
C write transactions. A 1 in the corresponding Decoder bit enables the
decoder to receive write commands. Any combination of decoders can be configured to receive write commands, allowing all four decoders
to be programmed concurrently.
The following table shows how the address auto-increment and decoder auto-increment functions operate when a multi-byte I
2
C write
transaction occurs. For this example, decoders 2, 3 and 4 are enabled for writes, the subaddress is 0xA0 and 8 bytes of data are written.
Decoder Auto Incr 0 0 1 1
Addr Auto Incr 0 1 0 1
Data Dec Addr Dec Addr Dec Addr Dec Addr
1st 2,3,4 A0 2,3,4 A0 2 A0 2 A0
2nd 2,3,4 A0 2,3,4 A1 3 A0 3 A0
3rd 2,3,4 A0 2,3,4 A2 4 A0 4 A0
4th 2,3,4 A0 2,3,4 A3 2 A0 2 A1
5th 2,3,4 A0 2,3,4 A4 3 A0 3 A1
6th 2,3,4 A0 2,3,4 A5 4 A0 4 A1
7th 2,3,4 A0 2,3,4 A6 2 A0 2 A2
8th 2,3,4 A0 2,3,4 A7 3 A0 3 A2
88 Internal Control Registers Copyright © 2009–2013, Texas Instruments Incorporated
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