diff options
| -rw-r--r-- | Index.page | 3 | ||||
| -rw-r--r-- | hardware/cpu.page (renamed from hardware/soc.page) | 19 | ||||
| -rw-r--r-- | hardware/specs.page | 54 | ||||
| -rw-r--r-- | specs.page | 43 |
4 files changed, 68 insertions, 51 deletions
@@ -5,9 +5,10 @@ * [ideas]() * [software]() * [hardware/]() -* [hardware/soc]() +* [hardware/cpu]() * [hardware/misc]() * [hardware/devices]() +* [hardware/specs]() * [refs]() This is a pseudo-open [gitit](http://gitit.net) repo for brainstorming around diff --git a/hardware/soc.page b/hardware/cpu.page index 9266091..bf4db66 100644 --- a/hardware/soc.page +++ b/hardware/cpu.page @@ -20,7 +20,6 @@ regular ARM), Samsung ([Exynos](http://en.wikipedia.org/wiki/Exynos))), Broadcom The establishment players for MIPS SoCs are Broadcom and Marvell (Kirkwood). - # ARM ### TI OMAP @@ -56,25 +55,32 @@ ECX-1000 is 4 Cortex-A9 at 1.1-1.4ghz, 5watts with 4gb DDR3 RAM. SATA and PCIe, <http://en.wikipedia.org/wiki/I.MX#i.MX6x_series> 40nm process. 1.2GHz Cortex A9, up to 4 cores, includes vidoe processing -"stuff". Single PCIe, GigE, SATA, 64bit RAM bus, $10-20 price range, available -summer 2012? Sabre Lite DevKits available to some? +"stuff". Single PCIe, GigE, SATA, 64bit RAM bus, **$10-20** price range, +available summer 2012? Sabre Lite DevKits available to some? + [linaro link with specs](https://wiki.linaro.org/Boards/MX6QSabreLite) ### Allwinner A10 -A Chinese-made fast cheap ($5 in volume) tablet +A Chinese-made fast cheap (**"$5 in volume"**) tablet-oriented processor - <http://elinux.org/Hack_A10_devices> - <http://rhombus-tech.net/allwinner_a10/> - <http://www.wits-tech.com/pages/board.jsp> - SDK and tools docs <http://www.cnx-software.com/2011/12/28/allwinner-a10a1x-processor-resources-development-board-and-sdk/> +# x86 + +### Intel Atom + +Line of devices with low-gate-count integrated Altera FPGAs. Great +connectivity, but higher price (**~$60?**), proprietary toolchain, higher power +consumption. + # MIPS Ingenic jz4760B -# x86 - # PowerPC AppliedMicro APM86290 @@ -87,4 +93,3 @@ Marvell Prestera EX/MX enterprise packet processors Freescale QorIQ DPAA - diff --git a/hardware/specs.page b/hardware/specs.page new file mode 100644 index 0000000..82ab48a --- /dev/null +++ b/hardware/specs.page @@ -0,0 +1,54 @@ + +Minimal, Easy Dev: + + - 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 + +"Single PCIe": + + - 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 hardware + - 802.15.4 + - all-in-one 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 + diff --git a/specs.page b/specs.page deleted file mode 100644 index e6ad779..0000000 --- a/specs.page +++ /dev/null @@ -1,43 +0,0 @@ - -minimal BOM (minus small passives): - - - Core - - SoC - - power management/regulator IC for SoC - - RAM - - Onboard FLASH - - FRAM chip (SPI? SDIO?) - - WiFi - - regulator/powermanagement - - WiFi baseband - - WiFi radio - - WiFi antenna connector - - 802.15.4 - - regulator/powermanagement - - all-in-one chip - - ethernet - - ethernet switch chip and/or PHY chips - - ethernet drivers (for long cable runs) - - connectors with LEDs - - power - - 5/12v regulator, ~1amp - - power connector - - reverse voltage diode - - SD connector - - status LEDs and drivers (PWM from SoC?) - - reset button - - power switch - -tests: - - - 10/100/1000 half/full duplex fallbacks - - 100m ethernet cable run (full bandwidth) - - high/low temperature reliability - - wireless range and bandwidth - - network latency - - network throughput - - "fair" contention management - - WPA2 actually working - - total bulk data bandwidth - - max small packets/second - - dhcp server performance |