參數(shù)資料
型號(hào): HT82A850R
廠商: Holtek Semiconductor Inc.
英文描述: Audio MCU
中文描述: 音頻控制器
文件頁數(shù): 20/41頁
文件大?。?/td> 296K
代理商: HT82A850R
HT82A850R
Rev. 1.10
20
July 25, 2007
The bit PFD_IO is used to determine whether PC0 is a general purpose I/O pin or a PFD output.
PFD_IO= 1
PC0 is PFD output
PFD_IO= 0
PC0 is a general IO pin port - default=0
The SELW bit is used to control the power amplifier input source. The software should set SELW = 1 when the power
amplifier signal is sourced from MUSIC_IN, otherwise the speaker output is the USB Audio data.
SELW= 1
The power amplifier signal is sourced from the MUSIC_IN pin
SELW= 0
ThepoweramplifiersignalissourcedfromtheUSBAudiodata(Default=0)
SPI
The serial interface function is similar to the Motorola SPI, where four basic signals are included. These are the SDI
(Serial Data Input), SDO (Serial Data Output), SCK (serial clock) and SCS (slave select pin).
Label
Functions
D7
D6
D5
D4
D3
D2
D1
D0
SBCR
Serial Bus
Control Register
CKS
M1
M0
SBEN
MLS
CSEN
WCOL
TRF
Default
0
1
1
0
0
0
0
0
SBDR
Serial Bus
Data Register
D7
D6
D5
D4
D3
D2
D1
D0
Default
U
U
U
U
U
U
U
U
Note: U unchanged
#
,
( -
- 1
%
&
: ( 0 <
8
8
G
&
'
; %
'
)
&
8
8
8
'
B %
8
%
% 8
G
% H
; % 6 "
%
% H % "
% 2
&
% # % "
%
8
%
&
%
. %
% :
=
<
+ (
)
0 (
(
.
- (
4
4 (
-
. (
(
0
) (
+
+ (
)
0 (
(
.
- (
4
4 (
-
. (
(
0
) (
+
SPI Timing
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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