SAA7712 Philips Semiconductors, SAA7712 Datasheet - Page 28

• Manufacturer Part Number: SAA7712
• Description: Sound effects DSP
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 11 I
Table 12 I
Table 13 I
1999 Aug 05
pll_fs_sel
dsp_turbo
two_four
pc_reset
bypass_pll
inv_host_ws
audio_source
audio_format
host_io_format
en_host_io
cloop_mode
Sound effects DSP
NAME
NAME
NAME
2
2
2
C_ADDA register (0FFDH)
C_SEL register (0FFAH)
C_HOST register (0FF9H)
(BITS)
(BITS)
(BITS)
SIZE
SIZE
SIZE
10
1
1
1
2
1
8
1
4
1
2
5
1
1
3
2
1
3
reserved
divide oscillator by 2 (logic 1)
double DSP_clock (logic 1)
2-channel 10-band (logic 1) or 4-channel 5-band (logic 0)
equalizer configuration
reserved
re-start DSP algorithm (logic 1) or DSP running (logic 0)
reserved
bypass PLL used for DSP_clock (logic 1) or use PLL for
DSP_clock (logic 0)
reserved
inverting (logic 1) or non-inverting (logic 0) word select
reserved
reserved
input source is I
reserved
format of selected input source (see Table 2)
host input/output data format (see Table 4)
enable (logic 1) or disable (logic 0) co-processor I
cloop mode (see Table 5)
2
S_IN1 or I
DESCRIPTION
DESCRIPTION
DESCRIPTION
2
S_IN2 (see Table 3)
28
2
S-bus
division
doubling
4-channel
5-band
DSP running
use PLL
non-inverting
I
standard I
standard I
disable
bypass WS
2
S_IN1
DEFAULT
DEFAULT
DEFAULT
Preliminary specification
2
2
S-bus 9 to 7
S-bus 11 and 10
SAA7712H
9 to 0
10
11
12
14 and 13
15
7 to 0
8
12 to 9
13
15 and 14
4 to 0
5
6
12
15 to 13
POSITION
POSITION
POSITION
BIT
BIT
BIT