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參數(shù)資料
| 型號(hào)： | SM5906AF |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Shock-proof Memory Controller for Video CD Players |
| 中文描述： | 防震視頻光盤播放器內(nèi)存控制器 |
| 文件頁(yè)數(shù)： | 1/30頁(yè) |
| 文件大?。?/td> | 231K |
| 代理商： | SM5906AF |
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NIPPON PRECISION CIRCUITS INC.
NIPPON PRECISION CIRCUITS-1
SM5906AF
Shock-proof Memory Controller for Video CD Players
Overview
– 2-channel processing
– Serial data input
2s complement, 16-bit/MSB first
Right-justified format
Wide capture function
(up to 4
×
speed input rate)
Selectable 16/24/32-bit clock
– System clock input
384fs (16.9344 MHz)
– Shock-proof memory controller
Selectable CD-DA/V-CD/SVC mode
2 external DRAM configurations selectable
1
×
16M DRAM (4M
×
4 bits, refresh cycle =
2048 cycle)
1
×
4M DRAM (1M
×
4 bits)
– Microcontroller interface
Serial command write and status read-out
Data residual detector:
11-bit operation, 16-bit output
(Bits 13 to 15 bit are fixed LOW.)
Forced mute
– Extension I/O
Microcontroller interface for external control
using 3 extension I/O pins
– +2.7 to +3.6 V operating voltage range
– Schmitt inputs
All input pins (including I/O pins) except CLK
(system clock)
– Reset signal noise elimination
Approximately 3.8
μ
s or longer (65 system
clock pulses) continuous LOW-level reset
- 48-pin QFP package (0.5 mm pin pitch)
Pinout
(Top View)
The SM5906AF is a shock-proof memory controller
LSI for video CD players. The operating mode can
be set to CD-DA mode, V-CD mode, or Super V-CD
mode, and external memory can be selected from 2
options (4M, 16M). It operates from a 2.7 to 3.6 V
supply voltage range.
Features
Ordering Information
SM5906AF
48pin QFP
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
1
1
13
14
15
16
17
18
19
20
21
22
23
2
2
2
2
3
3
3
3
3
3
3
A9
A8
A7
A6
A5
A4
A0
A1
A2
A3
VSS4
YMLD
YDMUTE
ZSENSE
NRESET
YBLKCK
YFLAG
ZC2PO
ZSRDATA
ZSCK
ZLRCK
VDD2
V
U
U
U
N
T
C
Y
Y
Y
Y
V
A
N
D
D
D
D
N
N
Y
Y
1
V
24
VSS2
37
VDD4
2
SM5906AF
J APAN
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