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零件编号 | AED30A | ||
描述 | M-NARA ULTRA LOW POWER MPEG LAYER3 AUDIO ENC/DECODER | ||
制造商 | ETC | ||
LOGO | |||
1 Page
M-NARA
(AED30A)
ULTRA LOW POWER
MPEG LAYER3
AUDIO ENC/DECODER
PRELIMINARY DATA SHEET
VER1.2(2003.2.26)
MOBILE DOCTOR Co.
3.7.1.6 address 0x05 : External AD/DA control, default 0x10
bit[7:6] : reserved
bit[5] : external AD/DA channel polarity invert
bit[4] : external AD/DA MSB justified
bit[3:1] : reserved
bit[0] : external AD/DA master clock enable
3.7.1.7 address 0x06 : reserved
3.7.1.8 address 0x07 : Internal PLL control (digital tempo control for decoder), default 0x0F
bit[7:4] : reserved
bit[3:0] : decoder fast/slow selection
Bit[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1XXX
Decoder DAC Speed(%)
-20
-15
-10
-5
+5
+10
+15
+20
0
3.7.1.9 address 0x08 : reserved
3.7.1.10 address 0x09 : reserved
3.7.1.11 address 0x0A : encoder control, default 0x00
bit[7] : encoder power down
bit[6:5] : reserved
bit[4] : encoder enable, 1=start, 0=stop
bit[3:0] : reserved
Confidential
3.7.6.3 address 0x52 : header information 3, default 0xXX
bit[7:6] : mode
bit[5:4] : mode ext. : joint-stereo{intensity stereo on/off, m/s stereo on/off}
bit[3] : copy
bit[2] : original
bit[1:0] : emphasis
Bit[7:6]
00
01
10
11
Mode
Stereo
Joint-stereo
dual channel
single channel
Bit[5:4]
00
01
10
11
mode ext.
off, off
on, off
off, on
on, on
Bit[1:0]
00
01
10
11
emphasis
none
50/15uS
reserved
CCITT J.17
3.7.6.4 address 0x53 : bit stream buffer counter, default 0xXX
bit[7:0] : bit stream buffer counter
3.7.6.5 address {0x55, 0x54} : frame counter, default {0xXX, 0xXX}
bit[7:0] : high counter @0x55
bit[7:0] : low counter @0x54
3.7.6.6 address {0x57, 0x56} : CRC error counter, default {0xXX, 0xXX}
bit[7:0] : high counter @0x57
bit[7:0] : low counter @0x56
3.7.6.7 address {0x59, 0x58} : ancillary data counter, default {0xXX, 0xXX}
bit[7:0] : high counter @0x59
bit[7:0] : low counter @0x58
3.7.6.8 address 0x5A : ancillary data, default 0xXX
bit[7:0] : ancillary data
Confidential
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页数 | 30 页 | ||
下载 | [ AED30A.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
AED30A | M-NARA ULTRA LOW POWER MPEG LAYER3 AUDIO ENC/DECODER | ETC |
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