Datasheet

TVP5150AM1

SLES209E–NOVEMBER 2007–REVISED OCTOBER 2011

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3.21.67 FIFO Word Count Register

Address C7h

7 6 5 4 3 2 1 0

Number of words

This register provides the number of words in the FIFO. One word equals two bytes.

3.21.68 FIFO Interrupt Threshold Register

Address C8h

Default 80h

7 6 5 4 3 2 1 0

Number of words

This register is programmed to trigger an interrupt when the number of words in the FIFO exceeds this

value (default 80h). This interrupt must be enabled at address C1h. One word equals two bytes.

3.21.69 FIFO Reset Register

Address C9h

Default 00h

7 6 5 4 3 2 1 0

Any data

Writing any data to this register resets the FIFO and clears any data present in all VBI read registers.

3.21.70 Line Number Interrupt Register

Address CAh

Default 00h

7 6 5 4 3 2 1 0

Field 1 enable Field 2 enable Line number

This register is programmed to trigger an interrupt when the video line number matches this value in bits

5:0. This interrupt must be enabled at address C1h. The value of 0 or 1 does not generate an interrupt.

Field 1 enable

0 = Disabled (default)

1 = Enabled

Field 2 enable

0 = Disabled (default)

1 = Enabled

Line number default is 00h.

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