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Connector Specifications
which contains implementations of several standard electrical interfaces. These
include PWM, ADC, I
Atom™ processor using its SPI1 bus. Refer to the
article on the
access instructions. A sample binary and source code are also provided.
Features supported in the FPGA sample configuration file:
SPI bus (connects to the processor, refer to the block diagram in Chapter 2)
General Purpose digital IO (GPIO)
5 analog sense inputs (ADC, 12 bits, voltage range 0 ~ 3 Volts)
Up to 12 PWMs (16 bits) limited to the accessible FPGA IOs
1 UART up to 115.2Kbps (no hardware flow control)
1 I
1 I
3.7.2.2
Processor GPIOs
The following Intel
described in the
Processor GPIO Name
CPU_GPIO_01
CPU_GPIO_02
CPU_GPIO_03
CPU_GPIO_04
CPU_GPIO_05
CPU_GPIO_06*
CPU_GPIO_07
* Grounding this pin for 3 seconds will initiate shutdown on the Compute Board. This
is hardcoded in the BIOS. It cannot be re-purposed by the user.
3.7.2.3
Processor CAN Bus
The Intel
Controller and a MCP2562 CAN Transceiver) that is connected to the Intel
processor's SPI bus. (see block diagram in Chapter 2).
For usage information, refer to the
Aero
Platform.
3.7.2.4
Processor HSUART
The Intel
can be used to connect to a system flight controller or other peripheral device.
The HSUART can be accessed through Linux sysfs at node /dev/ttyS1.
For more information, refer to the article under the
Controller" topic in the
2
C, UART, and digital GPIO. All are accessible via the Intel
Wiki for the Intel
®
2
C Bridge
2
C Bus (100KHz)
®
Atom™ processor GPIOs (digital) are accessible via software as
"Processor
GPIOs" article on the
®
Aero Compute Board includes a CAN Bus interface (MCP2515 CAN
®
Aero Compute Board drives a high speed serial interface (HSUART) that
Wiki for the Intel
"FPGA Sample
Aero Platform
for the register mapping and software
Wiki for the Intel
SW Kernel #
GPIO-350
GPIO-481
GPIO-485
GPIO-348
GPIO-487
Power Off
GPIO-319
"CAN
Controller" article on the
"Connecting an External Flight
®
Aero
Platform.
12
®
Configuration"
®
Aero
Platform.
®
Atom™
Wiki for the Intel
®
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