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參數資料
| 型號： | romr0008 |
| 廠商： | SIEMENS AG |
| 英文描述： | MultiMediaCard R0008 8 Mbyte ROM(多媒體卡 R0002 8 Mbyte ROM) |
| 中文描述： | 多媒體R0008 8字節的光盤（多媒體卡R0002 8字節光盤） |
| 文件頁數： | 5/41頁 |
| 文件大?。?/td> | 208K |
| 代理商： | ROMR0008 |
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Siemens
Product Manual R0008
Semiconductor Group
6
3.1
1
General Description
The SIEMENS MultiMediaCard R0008 is a highly integrated read only memory (ROM) with serial
and random access capability using an innovative ultra high density cell design in the memory
array. It is accessible via a dedicated serial interface optimized for fast and reliable data transmis-
sion. This interface allows several cards to be stacked by through connecting their peripheral con-
tacts. The R0008 is fully compatible to a new consumer standard, called the MultiMediaCard system
standard defined in the MultiMediaCard system specification [1].
The MultiMediaCard system is a new mass-storage system based on innovations in semiconductor
technology. It has been developed to provide an inexpensive, mechanically robust storage medium
in card form for multimedia consumer applications. MultiMediaCard allows the design of inexpen-
sive players and drives without moving parts. A low power consumption and a wide supply voltage
range favors mobile, battery-powered applications such as audio players, organizers, palmtops,
electronic books, encyclopedia and dictionaries. Using very effective data compression schemes
such as MPEG, the MultiMediaCard will deliver enough capacity for all kinds of multimedia data:
software/programs, text, music, speech, images, video etc.
2
Features
8 MByte memory capacity
Payload:
Error correction: 499,712 Bytes
7,888,896 Bytes
On card error correction
Small card-sized package: 24x32x1.4
mm (WxLxH)
MultiMediaCard system standard compatibility
Sequential and block read supported (Command classes 0, 1 and 2)
Block size free programmable between 1 and 2048 bytes per block
Multiple block mode supported
CRC protected data communication
2.0V to 3.6V operation voltage range
Damage free powered card insertion and removal
High speed serial interface with random access in block or serial mode
Byte addressable memory
up to 10 stacked card @ 20MHz @ 2.0-3.6V
up to 30 stacked card @ 5MHz
@ 2.0-3.6V
Access time < 13
μ
s @ 20MHz @ 2.0-3.6V, random byte access
Low power dissipation
High speed:
Low power:
Power save:
< 20 mW @ 20MHz @ 2.0V
< 1 mW @ 100kHz@ 2.0V
< 0.1 mW@ 0Hz
@ 2.0V (in stby state)
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