101 lines
2.9 KiB
ReStructuredText
101 lines
2.9 KiB
ReStructuredText
.. zephyr:board:: npcx7m6fb_evb
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Overview
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********
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The NPCX7M6FB_EVB kit is a development platform to evaluate the
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Nuvoton NPCX7 series microcontrollers. This board needs to be mated with
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part number NPCX796FB.
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Hardware
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********
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- ARM Cortex-M4F Processor
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- 256 KB RAM and 64 KB boot ROM
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- ADC & GPIO headers
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- UART0 and UART1
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- FAN PWM interface
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- Jtag interface
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- Intel Modular Embedded Controller Card (MECC) headers
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Supported Features
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==================
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The following features are supported:
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+-----------+------------+-------------------------------------+
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| Interface | Controller | Driver/Component |
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+===========+============+=====================================+
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| NVIC | on-chip | nested vector interrupt controller |
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+-----------+------------+-------------------------------------+
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| UART | on-chip | serial port-polling; |
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| | | serial port-interrupt |
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+-----------+------------+-------------------------------------+
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| PINMUX | on-chip | pinmux |
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+-----------+------------+-------------------------------------+
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| GPIO | on-chip | gpio |
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+-----------+------------+-------------------------------------+
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| CLOCK | on-chip | reset and clock control |
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+-----------+------------+-------------------------------------+
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Other hardware features are not currently supported by Zephyr (at the moment)
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The default configuration can be found in the defconfig file:
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:zephyr_file:`boards/nuvoton/npcx7m6fb_evb/npcx7m6fb_evb_defconfig`
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Connections and IOs
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===================
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Nuvoton to provide the schematic for this board.
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System Clock
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============
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The NPCX7M6FB MCU is configured to use the 90Mhz internal oscillator with the
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on-chip PLL to generate a resulting EC clock rate of 15 MHz. See Processor clock
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control register (chapter 4 in user manual)
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Serial Port
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===========
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UART1 is configured for serial logs.
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Programming and Debugging
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*************************
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This board comes with a Cortex ETM port which facilitates tracing and debugging
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using a single physical connection. In addition, it comes with sockets for
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JTAG only sessions.
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Flashing
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========
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If the correct IDC headers are installed, this board supports both J-TAG and
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also the ChromiumOS servo.
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To flash using Servo V2, μServo, or Servo V4 (CCD), see the
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`Chromium EC Flashing Documentation`_ for more information.
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To flash with J-TAG, install the drivers for your programmer, for example:
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SEGGER J-link's drivers are at https://www.segger.com/downloads/jlink/
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: npcx7m6fb_evb
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:maybe-skip-config:
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:goals: build flash
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Debugging
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=========
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Use JTAG/SWD with a J-Link
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References
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**********
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.. target-notes::
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.. _Chromium EC Flashing Documentation:
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https://chromium.googlesource.com/chromiumos/platform/ec#Flashing-via-the-servo-debug-board
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