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P800/P802
White Paper, January 2003
42
Memory Stick
®
Duo
®
Memory Stick
®
provides a convenient way of adding storage
and other functions to a wide range of devices. The P800
supports Memory Stick
®
Duo
®
, a miniature version of the
Memory Stick series which is just one third the volume of
standard Memory Sticks. Memory Stick Duo starts at 8Mbytes
and has a roadmap which foresees sizes up to 1Gbyte in the
future. A 16 Mbyte Memory Stick Duo is supplied and sizes up
to 128Mbyte are supported.
Via a Memory Stick Duo Adaptor, Memory Stick Duo can be plugged into any standard size
Memory Stick slot. The two types have full electrical and file system compatibility.
Physical and Electrical Properties
Memory Stick Duo is very space-efficient. It is 20mm wide, 1.6mm high and 31mm deep, having
volume 992 mm
3
. Memory Stick Duo weighs 2 grams.
The electrical contact consists of 10 pins in a structure which prevents direct
touch, providing high reliability. A serial protocol is defined for Memory Stick.
This is optimised for the larger capacity memories that will be available in the
future. Current maximum transfer speed is 2.45Mbyte/second to read data
and 1.8Mbyte/second when writing data. An erasure prevention switch
protects important content and data.
PC and Apple Mac Support
PCs and Apple Macs may be enabled for Memory Stick via built-in Memory Stick slots, Floppy
Disk adaptors, PC Card adaptors, USB adaptors and even a Memory Stick enabled mouse.
(Memory Stick Duo Adaptor required)