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Qualcomm MSM6550
General Info
Designer	Qualcomm, ARM Holdings
Manufacturer	TSMC, IBM
Model Number	MSM6550
Market	Mobile, Embedded
Introduction	September 16, 2003 (announced) August, 2004 (launched)
General Specs
Family	MSM6xxx
Series	MSM
Locked	Yes
Frequency	225 MHz
Bus type	AMBA 2
Microarchitecture
Microarchitecture	ARM9
Chipset	MSM6xxx
Core Name	ARM926EJ-S
Process	130 nm, 90 nm
Technology	CMOS
Cores	1
Threads	1
Max Memory	4 GiB
Max Address Mem	0xFFFFFFFF
Multiprocessing
Max SMP	1-Way (Uniprocessor)

MSM6550 is a 32-bit ARM system-on-chip with 3G wireless capabilities developed by Qualcomm and introduced in 2004 for the mobile market. This SoC was part of the MSM6xxx Enhanced Multimedia Platform offering support for the most advanced features such as security, position-location, camera & imaging, audio, video, streaming, and conferencing.

Cache

Main article: ARM9 § Cache

Cache Info [Edit Values]
L1I$	16 KiB 16,384 B 0.0156 MiB	1x16 KiB 4-way set associative
L1D$	16 KiB 16,384 B 0.0156 MiB	1x16 KiB 4-way set associative

Wireless

• Supported frequencies 800 MHz, 1900 MHz, 2100 MHz (IMT), quad GSM

Wireless Communications
Cellular
2G	GSM   Yes GPRS   Yes cdmaOne IS-95A Yes IS-95B Yes
3G	CDMA2000 1X Yes 1xEV-DO Yes

Digital Signal Processing

• DSP: 2x QDSP4000 73 MHz
  0.073 GHz
  73,000 kHz
  

Expansions

• LCD: 18-bit, QVGA
• USB: USB 2.0 FS Slave and Host
• Camera: up to 4 megapixel
• Bluetooth: BT 1.2
• Video Codecs: MPEG-4, H.263, H.264, Windows Media and RealNetworks
• Audio Codecs: AMR-NB, AMR-WB/+, AAC, aacPlusTM and Enhanced aacPlus, Windows Media and RealNetworks
• gpsOne position-location capabilities
• Support for digital stereo output up to 48 kHz
• MIDI Synthesizer (72 polyphony)
• Hardware-based Image Signal Processor and JPEG encoder

Utilizing devices

This list is incomplete; you can help by expanding it.

used by::LG enV2 (a.k.a LG Keybo)

Diagram

Documents

Datasheets

• MSM6550 Diagram
• MSM6550 Chipset
• MSM6550 Chipset

Other

• Enhanced Multimedia Platform Overview