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 Syste m Block 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
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2
C
….. .................................................................................................................................... 7
USP
….................................................................................................................................... 8
NAND .................................................................................................................................... 8
DRAM .................................................................................................................................... 8