Регистры H616: TV Debug Register

TV_DEBUG_REG

7.1.5. TV Debug Register - адрес: 0x65150fc 0x65160fc (смещение: 0x00FC)

Контроллер синхронизации: список регистров

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

Unused

Bit 31

TV_FIFO_UNDERFLOW

Bit 30
R
0x0

0: Not underflow
1: Underflow
The flag shows whether the FIFOs in underflow status.

Unused

Bit 29

TV_FIELD_POL

Bit 28
R
0x0

0: Second field
1: First field
The flag indicates the current field polarity.

Unused

Bits 27 : 14

ECC_FIFO_BYPASS

Bit 13
R/W
0x0

0: Used
1: Bypass
Setup that whether to bypass ECC FIFO.

Unused

Bit 12

TV_CURRENT_LINE

Bits 11 : 0
R
0x0

Current scan line.

Команда U-Boot для чтения регистра

md 65150fc 1
md 65160fc 1

Bit fields structure

typedef union tv_debug_reg { struct { unsigned tv_current_line : 12; unsigned unused0 : 1; unsigned ecc_fifo_bypass : 1; unsigned unused1 : 14; unsigned tv_field_pol : 1; unsigned unused2 : 1; unsigned tv_fifo_underflow : 1; unsigned unused3 : 1; } b; unsigned long w; } TV_DEBUG_REG