參數(shù)資料
型號: DMA2271
英文描述: Consumer IC
中文描述: 消費(fèi)性IC
文件頁數(shù): 28/36頁
文件大?。?/td> 496K
代理商: DMA2271
DMA 2271, DMA 2280, DMA 2281
28
Table 4–1,
continued
Address
Label
Bit No.
Default
Setting
Typical
Value
Function
199
199
199
199
199
199
199
PLLS
ENF2
SLS
PLLG
FCD
BPH
SLL
0
1
2–3
4–5
6
7
8–15
0
0
0
0
0
0
0
0
0
1
2
0
0
40
0
PLL select
0 = D/D2 MAC PLL
1 = CMAC PLL
enable filter 2
0 for C/D MAC
1 for D2 MAC
slicer select
0 for D2–MAC
1 for D–MAC
2 for C–MAC
PLL gain
0 = maximal gain
3 = minimal gain
full channel data
0: DBW is gated (pin 52)
1: DBW is active all the time
burst phase
0 = with DMA 2285
1 = only DMA 2280
slice level (range –128...+127)
for D/D2–MAC
for C–MAC
204
204
204
204
204
204
204
SBE
DGT
POR
POC
DSB
ACS
ACF
0–3
4–7
8
9
10
11
12
0
0
0
0
1
0
1
15
0
0
0
0
1
0
S bus enable
data group type selection
packet 0 reset
1: select first byte in packet 0 buffer
(first byte = data group type DGT)
packet 0 clear
1: enable packet 0 buffer to store
next packet 0
disable S bus outputs (pins 64, 66, 67)
0 = enabled
1 = high impedance
audio clock switch (pin 65)
0: audio clock = main clock
1: audio clock = 18.432 MHz
audio clock free running
0 = audio clock locked to main clock
1 = audio clock free running
channel 1 enable
channel 2 enable
channel 3 enable
channel 4 enable
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