SiRFatlasV
Hardware Design Guide
January, 2010 SiRF Design Guide –Proprietary and Confidential i
Table of Contents
Introduction ..........................................................................................................................i
SiRFatlasV Feature List .....................................................................................................1
Computing Cores............................................................................................................. 1
Memory Subsystem.......................................................................................................... 1
Advanced Autonomous GPS.............................................................................................. 1
Display, Graphics, and Multimedia...................................................................................... 1
Peripherals and Interfaces................................................................................................. 1
Power Integration.................................................................................................... 1
Audio Integration.................................................................................................... 1
NAND Flash Storage............................................................................................... 2
SD/MMC/MMC+ Controller....................................................................................... 2
USB Connectivity.................................................................................................... 2
Packaging.............................................................................................................. 2
Temperature Range.......................................................................................................... 2
SiRFatlasV SystemBlock Diagram..................................................................................3
Boot Configuration.............................................................................................................4
Power Supply ......................................................................................................................5
Power Pins...................................................................................................................... 5
Decoupling CAP and Placement on the PCB Board............................................................... 6
Power Consumption......................................................................................................... 6
Power-On Sequence......................................................................................................... 6
On-Chip PMU.......................................................................................................................6
Modac...................................................................................................................................7
UART.....................................................................................................................................7
I2C….. ....................................................................................................................................7
USP…....................................................................................................................................8
NAND ....................................................................................................................................8
DRAM....................................................................................................................................8
