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MSM6255A - Qualcomm
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Qualcomm MSM6255A
prodshot m6255a.gif
General Info
DesignerQualcomm,
ARM Holdings
ManufacturerTSMC, IBM
Model NumberMSM6255A
MarketMobile, Embedded
Introduction2005 (announced)
May, 2006 (launched)
General Specs
FamilyMSM6xxx
SeriesMSM
LockedYes
Frequency225 MHz
Bus typeAMBA 2
Microarchitecture
MicroarchitectureARM9
ChipsetMSM6xxx
Core NameARM926EJ-S
Process65 nm
TechnologyCMOS
Cores1
Threads1
Max Memory4 GiB
Max Address Mem0xFFFFFFFF
Multiprocessing
Max SMP1-Way (Uniprocessor)

MSM6255A is a 32-bit ARM system-on-chip with 3G wireless capabilities developed by Qualcomm and introduced in 2006 for the mobile market. This SoC was part of the MSM6xxx Multimedia Platform offering support for more advanced features such as position-location services, video, audio, and gaming.

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

Antu network-wireless-connected-100.svgWireless Communications
Cellular
2G
GSM Yes
GPRS Yes
EDGE Yes
3G
UMTS
WCDMAYes

Digital Signal Processing

  • DSP: QDSP4000

Expansions

  • LCD: 18-bit, QCIF
    • Up to 176 pixels x 220 pixels resolution
  • USB: USB2.0 FS Peripheral
  • Camera: up to 3 megapixel
  • Bluetooth: BT 1.1
  • Video Codecs: MPEG-4, H.263 and RealNetworks
  • Audio Codecs: QCELP, EVRC, AMR-NB, AAC, aacPlus and RealNetworks
  • Hardware-based Image Signal Processor and JPEG encoder
  • gpsOne position-location capabilities
  • Removable User Identity Module (R-UIM)
  • MIDI Synthesizer (72 polyphony)
  • Support for digital stereo output up to 48 kHz

Utilizing devices

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

Diagram

diagram msm6255a.jpg

Documents

Datasheets

Other

Facts about "MSM6255A - Qualcomm"
base frequency225 MHz (0.225 GHz, 225,000 kHz) +
bus typeAMBA 2 +
chipsetMSM6xxx +
core count1 +
core nameARM926EJ-S +
designerQualcomm + and ARM Holdings +
dspQDSP4000 +
familyMSM6xxx +
first announced2005 +
first launchedMay 2006 +
full page namequalcomm/msm6xxx/msm6255a +
has 2g supporttrue +
has 3g supporttrue +
has edge supporttrue +
has gprs supporttrue +
has gsm supporttrue +
has locked clock multipliertrue +
has umts supporttrue +
has wcdma supporttrue +
instance ofmicroprocessor +
l1d$ description4-way set associative +
l1d$ size16 KiB (16,384 B, 0.0156 MiB) +
l1i$ description4-way set associative +
l1i$ size16 KiB (16,384 B, 0.0156 MiB) +
ldateMay 2006 +
main imageFile:prodshot m6255a.gif +
manufacturerTSMC + and IBM +
market segmentMobile + and Embedded +
max cpu count1 +
max memory4,096 MiB (4,194,304 KiB, 4,294,967,296 B, 4 GiB, 0.00391 TiB) +
max memory address0xFFFFFFFF +
microarchitectureARM9 +
model numberMSM6255A +
nameQualcomm MSM6255A +
part ofMultimedia Platform +
process65 nm (0.065 μm, 6.5e-5 mm) +
seriesMSM +
smp max ways1 +
technologyCMOS +
thread count1 +