參數(shù)資料
型號(hào): VS1003
廠商: Electronic Theatre Controls, Inc.
元件分類: Codec
英文描述: MP3 / WMA AUDIO CODEC
中文描述: MP3播放/ WMA音頻編解碼器
文件頁(yè)數(shù): 42/57頁(yè)
文件大?。?/td> 456K
代理商: VS1003
VLSI
Solution
y
VS1003 PRELIMINARY
VS1003
10. VS1003 REGISTERS
0000
0030
0000
0030
Instruction (32bit)
Y (16bit)
X (16bit)
System Vectors
User
Instruction
RAM
X DATA
RAM
Y DATA
RAM
Y DATA
ROM
X DATA
ROM
4000
4000
Instruction
ROM
Hardware
Register
Space
C000
C100
C100
C000
0500
0500
8000
8000
1E00
1E00
1C00
1C00
Stack
Stack
User
Space
User
Space
1940
1880
1800
1800
1880
1940
Figure 14: User’s Memory Map.
10.6
DAC Registers
DAC registers, prefix DAC
Abbrev[bits]
FCTLL
FCTLH
LEFT
RIGHT
Reg
Type
rw
rw
rw
rw
Reset
0
0
0
0
Description
DAC frequency control, 16 LSbs.
DAC frequency control 4MSbs, PLL control.
DAC left channel PCM value.
DAC right channel PCM value.
0xC013
0xC014
0xC015
0xC016
Every fourth clock cycle, an internal 26-bit counter is added to by (DAC FCTLH & 15)
65536 +
DAC FCTLL. Whenever this counter overflows, values from DAC LEFT and DAC RIGHT are read and
a DAC interrupt is generated.
Version 0.92,
2005-06-07
42
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