LMH1983 Datasheet, PDF (23/55 Pages) National Semiconductor (TI) – Generating 44.1 kHz Based highly integrated programmable audio

www.ti.com
LMH1983
SNLS309I – APRIL 2010 – REVISED DECEMBER 2014
8.4.3 Auto Format Detection Codes
The Auto Format Detection Codes apply to Registers 0x07 (Output Mode – PLL2 Format), 0x08 (Output Mode –
PLL3 Format), and 0x20 (Input Format).
FORMAT CODE
0
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
63
DESCRIPTION
525I29.97 ⁽¹⁾
625I25 ⁽²⁾
525P59.94 ⁽¹⁾
625P50 ⁽²⁾
720P60
720P59.94
720P50
720P30
720P29.97
720P25
720P24
720P23.98
1080P60
1080P59.94
1080P50
1080P30
1080P29.97
1080P25
1080P24
1080P23.98
1080I30
1080I29.97
1080I25
1080I24
1080I23.98
48 kHz Audio
96 kHz Audio
44.1 kHz Audio
32 kHz Audio
27 MHz Hsync
10 MHz Hsync
User Defined
Unknown
Hsync PERIOD
(in 27 MHz CLOCKS)
1716
1728
858
864
600
600.6
720
1200
1201.2
1440
1500
1501.5
400
400.4
480
800
800.8
960
1000
1001
800
800.8
960
1000
1001
562.5
281.25
612.244898
843.75
1
2.7
User Defined
All Others
INTERLACED (I) /
PROGRESSIVE (P)
I
I
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
P
I
I
I
I
I
—
—
—
—
—
—
User Defined
(1) NTSC, 525i and 525p formats are also commonly known as 480I29.97 and 480P59.94, respectively,
since the visible screen resolution consists of 480 pixels.
(2) PAL, 625i and 625p formats are also commonly known as 576I25 and 576P50, respectively, since the
visible screen resolution consists of 576 pixels.
Copyright © 2010–2014, Texas Instruments Incorporated
Product Folder Links: LMH1983
Submit Documentation Feedback
23