參數(shù)資料
型號: SAA7712H
廠商: NXP SEMICONDUCTORS
元件分類: 數(shù)字信號處理
英文描述: Sound effects DSP(聲音效應(yīng)數(shù)字信號處理器)
中文描述: 0-BIT, 32.544 MHz, OTHER DSP, PQFP80
文件頁數(shù): 28/44頁
文件大?。?/td> 178K
代理商: SAA7712H
1999 Aug 05
28
Philips Semiconductors
Preliminary specification
Sound effects DSP
SAA7712H
Table 11
I
2
C_ADDA register (0FFDH)
Table 12
I
2
C_SEL register (0FFAH)
Table 13
I
2
C_HOST register (0FF9H)
NAME
SIZE
(BITS)
DESCRIPTION
DEFAULT
BIT
POSITION
pll_fs_sel
dsp_turbo
two_four
10
1
1
1
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)
9 to 0
10
11
12
division
doubling
4-channel
5-band
pc_reset
2
1
14 and 13
15
DSP running
NAME
SIZE
(BITS)
DESCRIPTION
DEFAULT
BIT
POSITION
bypass_pll
8
1
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
7 to 0
8
use PLL
inv_host_ws
4
1
2
12 to 9
13
15 and 14
non-inverting
NAME
SIZE
(BITS)
DESCRIPTION
DEFAULT
BIT
POSITION
audio_source
audio_format
host_io_format
en_host_io
cloop_mode
5
1
1
3
2
1
3
reserved
input source is I
2
S_IN1 or I
2
S_IN2 (see Table 3)
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
2
S-bus
cloop mode (see Table 5)
4 to 0
5
6
I
2
S_IN1
standard I
2
S-bus 9 to 7
standard I
2
S-bus 11 and 10
disable
bypass WS
12
15 to 13
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