STV82X7 datasheet(76/156 Pages) STMICROELECTRONICS

부품명	STV82X7

상세설명	Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

PDF	156 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

Logo

76 / 156 page

STV82x7

76/156

ACOEFF2

Channel 2 Baseband PLL Loop Filter Proportional

Coefficient

BCOEFF2

Channel 2 Baseband PLL Loop Filter Integral

Coefficient & DCO Gain

FIR2C3[7:0]

00h

FDh

03h

00h

FIR2C4[7:0]

06h

02h

00h

FFh

FIR2C5[7:0]

0Eh

0Dh

F4h

04h

FIR2C6[7:0]

16h

18h

0Ah

14h

FIR2C7[7:0]

1Bh

1Fh

3Dh

25h

Address: 33h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ACOEFF2[7:0]

Bit Name

Reset

Function

ACOEFF2[7:0]

10010000

This value defines the loop clamping factor used to program the Proportional Coefficient of the

baseband PLL loop filter (Channel 2). See Table 15 and Table 16.

Address: 34h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

BCOEFF2[7:0]

Bit Name

Reset

Function

BCOEFF2[7:0]

10101100

This value defines the loop bandwidth used to program the Integral Coefficient of the Baseband

PLL loop filter and DCO gain. See Table 15 and Table 16.

Table 15: Baseband PLL Loop Filter Adjustments (FM Mode)

FM mode

Small

Standard

Mid

Wide

A2 standard

ACOEFF

10h

22h

2Ch

10h

BCOEFF

1Ah

12h

0Ah

11h

Table 14: Channel 2 FIR Coefficients

Bitfield

Description

FM 27 kHz

FM 50 kHz

QPSK 40%

(reset state)

QPSK100%

STV82X7 데이터시트(PDF) 76 Page - STMicroelectronics

STV82X7 데이터시트(HTML) 76 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

데이터시트 다운로드

링크 URL