參數(shù)資料
型號: S5L9276X01
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
元件分類: 通用總線功能
英文描述: OPTICAL CD MP3 SYSTEM
中文描述: 光學(xué)CD MP3播放系統(tǒng)
文件頁數(shù): 33/50頁
文件大?。?/td> 182K
代理商: S5L9276X01
OPTICAL CD MP3 SYSTEM
S5L9276 (PRELIMINARY SPEC)
33
REGISTER
ADDRESS (HEX)
ADDRESS (DEC)
SIZE
H_CD_START
0x00000
0
Size = 3511
H_CD_END
0x00DB6
3510
0x00DB7
3511
585 words
0x00FFF
4095
Not Used
H_IB_START
0x01000
4096
IB_Size = 100K
H_IB_END
0x19FFF
106495
H_OBL_START
0x1A000
106496
OBL_Size = 57600
H_OBL_END
0x280FF
164095
H_OBR_START
0x28100
164096
OBR_Size = 57600
H_OBR_END
0x361FF
221695
0x36200
221696
40448 Words
0x3FFFF
262143
Reserved
A storage for CDFS Table which is decoded by S5L9276 is needed for Micom to access. CDFS Table also stored in
OBR(Output Buffer Right Channel) and OBL(Output Buffer Channel). S5L9276 provides memory map switching
mechanism which enables of the OBR(Output Buffer Right Channel) Map between CDFS decoding and decoding
modes. In CDFS decoding mode OBR and OBL are allocated outside of location of them in MP3 decoding mode to
keep the CDFS table does not overlap the audio output buffer. Micom can access CDFS Table any time if
necessary.
Memory Map for CDFS Decoding
Memory Map for MP3 Decoding
0x00000
CD-ROM Decoder
Working Buffer
H_IB_START
H_CD_START
H_CD_END
H_OBR_START
H_OBR_END
H_OBL_START
H_OBL_END
0x00000
0x19FFF
0x1A000
0x361FF
0x36200
0x01000
CD-ROM Decoder
Working Buffer
Input Buffer
Output Buffer
L-CH
Output Buffer
R-CH
Reserved
0x3FFFF
H_IB_END
H_IB_START
H_CD_START
H_CD_END
H_OBR_END
0x334FF
0x33500
0x34B7F
0x34B80
0x01000
Input Buffer
Output Buffer
L-CH
0x3FFFF
H_IB_END
H_OBL_START
Reserved
Output Buffer
R-CH
0x361FF
0x36200
H_OBL_END
H_OBR_START
Figure 11. Memory Map Configuration for 4Mbit DRAM
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