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Palm Zire 21 poster

Palm Zire 21 Full Device Specifications

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Released Date
2003 Oct
Display Dimension
160x160 pixels
RAM Size
8 MiB RAM, 7.2 MiB user accessible RAM
Processor (CPU)
Texas Instruments OMAP 311

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Introduction

Brand

Palm

Model

Zire 21

Released

2003 Oct

Hardware Designer

Palm

Manufacturer

Palm

General Extras

Passive stylus

Device Category

Personal Digital Assistant (PDA)

Physical Attributes

Width

74 mm, 2.91 inch

Height

112 mm, 4.41 inch

Depth

16 mm, 0.63 inches

Bounding Volume

132.6 ccm

Mass

110 g, 3.88 ounces

Software Environment

Platform

Palm OS

Operating System

PalmSource Palm OS 5.2, (5.2.1)

Application processor, Chipset

CPU Clock

126 MHz

CPU

Texas Instruments OMAP 311, 2002, 32 bit, single-core, 16 Kbyte I-Cache, 8 Kbyte D-Cache

Operative Memory

RAM Type

SDRAM

RAM Capacity

8 MiB RAM, 7.2 MiB user accessible RAM

Non-volatile Memory

Non-volatile Memory Type

EPROM

Non-volatile Memory Interface

Yes

Non-volatile Memory Capacity

4 MiB non-volatile

Display

Display Diagonal

71 mm, 2.8 inch

Resolution

160x160, 25600 pixels

Display Width

50.2 mm, 1.98 inch

Display Height

50.2 mm, 1.98 inch

Horizontal Full Bezel Width

23.8 mm

Display Area

2520.5 square millimeter

Display Area Utilization

30.4%

Pixel Size

0.31378 mm/pixel

Pixel Density

81 PPI

Display Type

Monochrome STN LCD display

Display Color Depth

4 bit/pixel

Number of Display Scales

16

Display Illumination

ELP

Display Light Reflection Mode

reflective

Scratch Resistant Screen

No

Graphical Subsystem

Graphical Controller

N/A

Audio/Video Interfaces

A/V Out

No

Audio Subsystem

Audio Channel(s)

mono

Sound Recording

Microphone(s)

No

Sound Playing

Loudspeaker(s)

mono

Audio Output

No

Cellular Phone

Supported Cellular Bands

No

Secondary Cellular Phone

Sec. Supported Cellular Networks

No

Control Peripherals

Touchscreen Type

Resistive touch sensing screen

Touchscreen Simultaneous Touch Points

Single-touch

Directional Pad

Two-way (without action button)-way

Communication Interfaces

Expansion Interfaces

No

USB

USB 1.1, USB Full-Speed (12 Mbps)

USB Connector

USB Series Mini-B (mini-USB)

Bluetooth

No

Wireless LAN

No

IR

IrDA 1.2, 115200bit/s (SIR/CIR)

Multimedia Broadcast

FM Radio Receiver

No

Satellite Navigation

Supported GPS protocol(s)

No

Primary Camera System

Camera Image Sensor

No

Focus

No

Flash

No

Auxiliary Camera

Aux. Camera Image Sensor

No

Auxiliary Camera No. 2

Aux. 2 Camera Image Sensor

No

Auxiliary Camera No. 3

Aux. 3 Camera Image Sensor

No

Auxiliary Camera No. 4

Aux. 4 Camera Image Sensor

No

Aux. 4 Camera Focus

No

Secondary Camera System

Secondary Camera Sensor

No

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor

No

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor

No

Built-in Sensors

Built-in accelerometer

No

Ingress Protection

Protection from solid materials

Yes

Protection from liquids

Yes

Power Supply

Battery

Lithium-ion, built-in, 1-cell

Geographical Attributes

Market Countries

USA

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