
2004 Mar 16
169
Philips Semiconductors
Product specification
PC-CODEC
SAA7108E; SAA7109E
18.2.3.2
Subaddresses 34H to 36H
Table 178
Audio master clock (AMCLK) nominal increment
18.2.3.3
Subaddress 38H
Table 179
Clock ratio audio master clock (AMXCLK) to serial bit clock (ASCLK)
18.2.3.4
Subaddress 39H
Table 180
Clock ratio serial bit clock (ASCLK) to channel select clock (ALRCLK)
18.2.3.5
Subaddress 3AH
Table 181
Audio clock control; 3AH[3:0]
18.2.4
P
ROGRAMMING REGISTER
VBI
DATA SLICER
18.2.4.1
Subaddress 40H
Table 182
Slicer control 1; 40H[6:4]
SUBADDRESS
CONTROL BITS 7 TO 0
34H
35H
36H
ACNI7
ACNI15
ACNI
ACNI14
ACNI5
ACNI13
ACNI21
ACNI4
ACNI12
ACNI20
ACNI3
ACNI11
ACNI19
ACNI2
ACNI10
ACNI18
ACNI1
ACNI9
ACNI17
ACNI0
ACNI8
ACNI16
SUBADDRESS
CONTROL BITS 7 TO 0
38H
SDIV5
SDIV4
SDIV3
SDIV2
SDIV1
SDIV0
SUBADDRESS
CONTROL BITS 7 TO 0
39H
LRDIV5
LRDIV4
LRDIV3
LRDIV2
LRDIV1
LRDIV0
BIT
DESCRIPTION
SYMBOL VALUE
FUNCTION
3
audio PLL modes
APLL
0
1
0
1
0
1
0
1
PLL active, AMCLK is field-locked
PLL open, AMCLK is free-running
vertical reference pulse is taken from internal decoder
vertical reference is taken from XRV input (expansion port)
ALRCLK edges triggered by falling edges of ASCLK
ALRCLK edges triggered by rising edges of ASCLK
ASCLK edges triggered by falling edges of AMCLK
ASCLK edges triggered by rising edges of AMCLK
2
audio master clock
vertical reference
AMVR
1
ALRCLK phase
LRPH
0
ASCLK phase
SCPH
BIT
DESCRIPTION
SYMBOL VALUE
FUNCTION
6
Hamming check
HAM_N
0
Hamming check for 2 bytes after framing code,
dependent on data type (default)
no Hamming check
one framing code error allowed
no framing code errors allowed
amplitude searching active (default)
amplitude searching stopped
1
0
1
0
1
5
framing code error
FCE
4
amplitude searching
HUNT_N