SAA7108AE PHILIPS [NXP Semiconductors], SAA7108AE Datasheet - Page 187
SAA7108AE
Manufacturer Part Number
SAA7108AE
Description
HD-CODEC
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.SAA7108AE.pdf
(197 pages)
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Philips Semiconductors
19.2
The given values force the following behaviour of the SAA7108AE; SAA7109AE audio clock generation part:
Table 244 Audio clock part set-up values
Note
1. All X values must be set to logic 0.
2004 Jun 29
ADDRESS
3B to 3F
Used crystal is 24.576 MHz
Expected field frequency is 59.94 Hz (e.g. NTSC M standard)
Generated audio master clock frequency at pin AMCLK is 256
AMCLK is externally connected to AMXCLK (short-cut between pins K12 and J12)
ASCLK = 32
ALRCLK is 44.1 kHz.
HD-CODEC
(HEX)
SUB
3A
30
31
32
33
34
35
36
37
38
39
Audio clock generation part
audio master clock cycles per
field; bits 7 to 0
audio master clock cycles per
field; bits 15 to 8
audio master clock cycles per
field; bits 17 and 16
reserved
audio master clock nominal
increment; bits 7 to 0
audio master clock nominal
increment; bits 15 to 8
audio master clock nominal
increment; bits 21 to 16
reserved
clock ratio AMXCLK to ASCLK
clock ratio ASCLK to ALRCLK
audio clock generator basic
set-up
reserved
44.1 kHz = 1.4112 MHz
REGISTER FUNCTION
ACPF7 to ACPF0
ACPF15 to ACPF8
X, X, X, X, X, X, ACPF17 and
ACPF16
X, X, X, X, X, X, X, X
ACNI7 to ACNI0
ACNI15 to ACNI8
X, X, ACNI21 to ACNI16
X, X, X, X, X, X, X, X
X, X, SDIV5 to SDIV0
X, X, LRDIV5 to LRDIV0
X, X, X, X, APLL, AMVR,
LRPH, SCPH
X, X, X, X, X, X, X, X
BIT NAME
187
44.1 kHz = 11.2896 MHz
(1)
SAA7108AE; SAA7109AE
7
1
1
0
0
1
1
0
0
0
0
0
0
6
0
1
0
0
1
1
0
0
0
0
0
0
5
1
0
0
0
0
0
1
0
0
0
0
0
START VALUES
4
1
1
0
0
0
0
1
0
0
1
0
0
3
1
1
0
0
1
1
1
0
0
0
0
0
Product specification
2
1
1
0
0
1
1
0
0
0
0
0
0
1
0
1
1
0
0
0
1
0
1
0
0
0
0
0
1
0
0
1
0
0
0
1
0
0
0
HEX
CD
CC
BC
DF
3A
02
00
00
03
10
00
00
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