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authorbnewbold <bnewbold@robocracy.org>2012-09-12 17:25:45 +0200
committerbnewbold <bnewbold@robocracy.org>2012-09-12 17:25:45 +0200
commitb53b228af82b9580ddd3fe14a491dfe8dcafabb0 (patch)
tree2f89646af4ae96ecc4cdf6c4486084c7aae4f113 /hardware
parent2556a5a469bd7ddf50268bf87ba4151c092f04de (diff)
downloadrooter_wiki-b53b228af82b9580ddd3fe14a491dfe8dcafabb0.tar.gz
rooter_wiki-b53b228af82b9580ddd3fe14a491dfe8dcafabb0.zip
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-Below is the best-guess set of features that a rooter hardware device would
-include; this is a balance between good functionality, engineering feasibility,
-and cost at the 1k or 10k production batch size:
-
- - Core
- - ARM SoC, Freescale i.MX6
- - Power management/regulator IC for SoC
- - 512MB RAM
- - No onboard FLASH, 8GB+ uSD card
- - FRAM chip for routing table persistance
- - WiFi
- - full-size miniPCIe slot for off-the-shelf dual-band card
- - 802.15.4
- - all-in-one stm32w chip, trace antenna (?)
- - Ethernet
- - GigE switch chip w/ PHY, 5 ports
- - 4x LAN jacks with drivers for longer cable runs (w/ LEDs)
- - 1x WAN jack
- - Power
- - 5/12v regulator, ~1amp
- - Power connector
- - Reverse voltage diode
- - USB Host jack
- - USB mini jack for UART/JTAG/Mass storage (how? USB2 hub?)
- - Second SD or uSD connector (for expansion)
- - status LEDs and drivers (PWM from SoC?)
- - reset button
- - power switch
-
# Absolute Minimal Hardware
-A device with the minimal hardware resources required to accomplish rooter
-goals, which could be implemented with as little engineering as possible. This
-would be very similar to the $90 open hardware BeagleBone development board;
-than design could be copied and extended.
-
- - Core
- - ARM SoC, probably BeagleBoard-compatible device
- - power management/regulator IC for SoC
- - 256MB RAM
- - No onboard FLASH, 2GB+ uSD card
- - WiFi
- - Atheros ath5k-compatible WiFi bg baseband, radio
- - Antenna connector
- - regulator/powermanagement
- - 802.15.4
- - all-in-one chip, trace antenna (?)
- - Ethernet
- - PHY IC
- - Single 10/100mbps jack (w/ LEDs)
- - Connectors with LEDs
- - Power
- - 5/12v regulator, ~1amp
- - Power connector
- - Reverse voltage diode
- - Second SD or uSD connector (for expansion)
- - status LEDs and drivers (PWM from SoC?)
- - reset button
- - power switch
-