Chapter2
ModelsofRaspberryPi
RaspberryPihastwomodels.Surprisingly,bothmodelsareavailableatapocket-friendly
price.
Model-A costs $25 and Model-B costs $35, excluding local taxes and shipping and
handlingcharges.Also,thisdoesnotincludechargesofpowersupplyandSDcard;you
havetobuythemseparately.
DifferencebetweenModel-AandModel-B
Model-A Model-B
Price $25 $35
SoC BroadcomBCM2835
CPU 700MHzARM1176JF-SCore
GPU VideoCoreIV,OpenGLES2,0,1080p30FullHDHP
H.264
Memory 256MB 512MB
USB2.0ports 1 2(integrated)
Videooutputs CompositeRCA,HDMI
Audiooutputs 3.5mmjack,HDMI
Onboardstorage SD/MMC/SDIOcardslot
Low-levelperipherals GPIOpins,SPI,I2C,UART
Onboardnetwork None 10/100wiredEthernet
Real-timeclock Noclockorbattery
Powerratings 500mA(2.5W) 700mA(3.5W)
Powersource 5VviamicroUSBorGPIOheader