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參數(shù)資料
| 型號(hào)： | SM5902 |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | compression and non compression type shock-proof memory controller |
| 中文描述： | 壓縮和非壓縮式防震內(nèi)存控制器 |
| 文件頁數(shù)： | 21/40頁 |
| 文件大?。?/td> | 312K |
| 代理商： | SM5902 |
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NIPPON PRECISION CIRCUITS-21
SM5902AF
85H (option settings)
- RAMS1, RAMS2
When 0 and 0 : 1M DRAMs (256k
×
4 bits)
×
single
When 1 and 0 : 4M DRAMs (1M
×
4 bits)
×
single
When 0 and 1 : 4M DRAMs (1M
×
4 bits)
×
double
When 1 and 1 : 16M DRAMs (4M
×
4 bits)
×
single
- RAMX2
When 1: Uses 2 DRAMs
When 0: Uses a single DRAM
- YFLGS, YFCKP
When 0 and 0: Sets FLAG6 on the falling edge of
YFCLK when YFLAG=0
When 0 and 1: Sets FLAG6 on the rising edge of
YFCLK when YFLAG=0
When 1 and 0: Sets FLAG6 when YFLAG=0
When 1 and 1: Sets FLAG6 when YFLAG=1
- COMPFB, COMP6B, COMP5B, COMP4B
When 0, 0, 0 and 1: Selects 4-bit compression
mode
When 0, 0, 1 and 0: Selects 5-bit compression
mode
When 1, 0, 0 and 0: Selects full-bit compression
mode
In all other cases: Selects 6-bit compression mode
Changing mode without initializing during opera-
tion is possible.
83H (ATT, MUTE, 12-bit comparison connection settings)
- ATT (attenuator enable)
When 1: Attenuator settings become active (84H
command)
When 0: Attenuator settings become inactive, and
output continues without attenuation
- MUTE (forced muting)
When 1: Outputs are instantaneously muted to
0.(note 1)
Same effect as taking the YDMUTE pin
HIGH.
When 0: No muting(note 1)
(note1) Effective at the start of left-channel output
data.
- SOFT (soft muting)
When 1: Outputs are smoothly muted to 0.
When 0: No muting.
Soft mute release occurs instantaneously
to either the value set by the 84H com-
mand (When ATT=1) or 0dB (When
ATT=0)
- MUTE, SOFT, YDMUTE relationship
When all mute inputs are 0, mute is released.
- NS (noise shaper enable)
When 1: Includes noise shaper function in com-
pression-mode shockproof operation.
When 0: Performs comparison connection using
all 16 bits of input data.
- CMP12 (12-bit comparison connection)
When 1: Performs comparison connection using
only the most significant 12 bits of input
data.
When 0: Performs comparison connection using
all 16 bits of input data.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SM5902AF | compression and non compression type shock-proof memory controller |
| SM5903BF | compression and non compression type shock-proof memory controller |
| SM5903CF | compression and non compression type anti-shock memory controller |
| SM5904BF | compression and non compression type shock-proof memory controller |
| SM5904CF | compression and non compression type |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM5902AF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
| SM5903BF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
| SM5903BF_00 | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
| SM5903CF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type anti-shock memory controller |
| SM5904BF | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:compression and non compression type shock-proof memory controller |
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