Datasheet > SM5906AF

SM5906AF

更新时间： 2024-01-30 02:47:28

品牌	Logo	应用领域
NPC		内存控制器
页数	文件大小	规格书
30页	230K
描述
Shock-proof Memory Controller for Video CD Players

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SM5906AF 数据手册

SM5906AF

Shock-proof Memory Controller for Video CD Players

NIPPON PRECISION CIRCUITS INC.

Overview

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

– 2-channel processing

• Data residual detector:

– Serial data input

11-bit operation, 16-bit output

(Bits 13 to 15 bit are fixed LOW.)

• Forced mute

• 2s complement, 16-bit/MSB first

• Right-justified format

• Wide capture function

– Extension I/O

Microcontroller interface for external control

using 3 extension I/O pins

(up to 4 × speed input rate)

• Selectable 16/24/32-bit clock

– System clock input

– +2.7 to +3.6 V operating voltage range

– Schmitt inputs

• 384fs (16.9344 MHz)

All input pins (including I/O pins) except CLK

(system clock)

– 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)

– Reset signal noise elimination

Approximately 3.8 µs or longer (65 system

clock pulses) continuous LOW-level reset

- 48-pin QFP package (0.5 mm pin pitch)

1 × 4M DRAM (1M × 4 bits)

– Microcontroller interface

• Serial command write and status read-out

Pinout ^{(Top View)}

VDD4

VSS2

YMLD

Ordering Information

YDMUTE

ZSENSE

NRESET

YBLKCK

YFLAG

ZC2PO

ZSRDATA

ZSCK

SM5906AF

48pin QFP

SM5906AF

J APAN

ZLRCK

VDD2

VSS4

NIPPON PRECISION CIRCUITS-1

12 3 4 5 6 7...30

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