TW2866C datasheet(65/143 Pages) RENESAS

65 / 143 page

TW2866C

FN8253 Rev. 0.00

Page 65 of 143

February 3, 2012

0X0F(CH1)/0X1F(CH2)/0X2F(CH3)/0X3F(CH4) – STANDARD RECOGNITION

Bit

Function

R/W

Description

Reset

ATSTART

R/W

Writing 1 to this bit will manually initiate the auto format

detection process. This bit is a self-resetting bit.

PAL6_EN

R/W

1 = enable recognition of PAL60.

0 = disable recognition.

PALN_EN

R/W

1 = enable recognition of PAL (CN).

0 = disable recognition.

PALM_EN

R/W

1 = enable recognition of PAL (M).

0 = disable recognition.

NT44_EN

R/W

1 = enable recognition of NTSC 4.43.

0 = disable recognition.

SEC_EN

R/W

1 = enable recognition of SECAM.

0 = disable recognition.

PALB_EN

R/W

1 = enable recognition of PAL (B,D,G,H,I).

0 = disable recognition.

NTSC_EN

R/W

1 = enable recognition of NTSC (M).

0 = disable recognition.

0XE4(CH1)/0XE7(CH2)/0XEA(CH3)/0XED(CH4) – VERTICAL SCALING REGISTER, LOW

Bit

Function

R/W

Description

Reset

7-0

VSCALE_LO

R/W

These bits are bit 7 to 0 of the 12-bit vertical scaling ratio

0XE5(CH1)/0XE8(CH2)/0XEB(CH3)/0XEE(CH4) – SCALING REGISTER, HIGH

Bit

Function

R/W

Description

Reset

7-4

VSCALE_HI

R/W

These bits are bit 11 to 8 of the 12-bit vertical scaling ratio

3-0

HSCALE_HI

R/W

These bits are bit 11 to 8 of the 12-bit horizontal scaling

ratio register.

0XE6(CH1)/0XE9(CH2)/0XEC(CH3)/0XEF(CH4) – HORIZONTAL SCALING REGISTER, LOW

Bit

Function

R/W

Description

Reset

7-0

HSCALE_LO

R/W

These bits are bit 7 to 0 of the 12-bit horizontal scaling ratio

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