NPCX7M6FB_EVB

Overview

The NPCX7M6FB_EVB kit is a development platform to evaluate the Nuvoton NPCX7 series microcontrollers. This board needs to be mated with part number NPCX796FB.

Hardware

ARM Cortex-M4F Processor
256 KB RAM and 64 KB boot ROM
ADC & GPIO headers
UART0 and UART1
FAN PWM interface
Jtag interface
Intel Modular Embedded Controller Card (MECC) headers

Supported Features

The npcx7m6fb_evb board supports the hardware features listed below.

on-chip / on-board: Feature integrated in the SoC / present on the board.
2 / 2: Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo: Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

`npcx7m6fb_evb/npcx7m6fb` target

Type	Location	Description	Compatible
CPU	on-chip	ARM Cortex-M4F CPU1	`arm,cortex-m4f`
ADC	on-chip	Nuvoton, NPCX-ADC node1	`nuvoton,npcx-adc`
Clock control	on-chip	Nuvoton, NPCX PCC (Power and Clock Controller) node1	`nuvoton,npcx-pcc`
ESPI	on-chip	Nuvoton NPCX eSPI Virtual Wire (VW) mapping child node1	`nuvoton,npcx-espi-vw-conf`
	on-chip	Nuvoton, NPCX-eSPI node1	`nuvoton,npcx-espi`
	on-chip	Nuvoton, NPCX-Host Sub-Modules node1	`nuvoton,npcx-host-sub`
	on-chip	Nuvoton, NPCX-Host UART IO node1	`nuvoton,npcx-host-uart`
Flash controller	on-chip	Properties defining the NPCX Quad-SPI peripheral of Flash Interface Unit (FIU)1	`nuvoton,npcx-fiu-qspi`
Flash controller	on-chip	The SPI NOR flash devices accessed by Nuvoton Flash Interface Unit (FIU)1	`nuvoton,npcx-fiu-nor`
GPIO & Headers	on-chip	Nuvoton, NPCX-GPIO16	`nuvoton,npcx-gpio`
I2C	on-chip	Nuvoton NPCX-I2C controller1 7	`nuvoton,npcx-i2c-ctrl`
I2C	on-chip	Nuvoton NPCX-I2C port pads1 9	`nuvoton,npcx-i2c-port`
Input	on-chip	Nuvoton NPCX keyboard scan controller1	`nuvoton,npcx-kbd`
Interrupt controller	on-chip	NPCX-MIWU Wake-Up Unit Input (WUI) mapping child node1	`nuvoton,npcx-miwu-wui-map`
	on-chip	Nuvoton, NPCX Multi-Input Wake-Up Unit (MIWU) node3 1	`nuvoton,npcx-miwu`
	on-chip	NPCX-MIWU group-interrupt mapping child node3	`nuvoton,npcx-miwu-int-map`
	on-chip	ARMv7-M NVIC (Nested Vectored Interrupt Controller)1	`arm,v7m-nvic`
LED	on-board	Group of PWM-controlled LEDs1	`pwm-leds`
Memory controller	on-chip	Nuvoton, NPCX Battery Backed RAM node1	`nuvoton,npcx-bbram`
Miscellaneous	on-chip	Nuvoton, NPCX soc ID1	`nuvoton,npcx-soc-id`
Miscellaneous	on-chip	Nuvoton, NPCX booter variant options1	`nuvoton,npcx-booter-variant`
PECI	on-chip	Nuvoton NPCX PECI node1	`nuvoton,npcx-peci`
Pin control	on-chip	Nuvoton NPCX7 Pin-Mux Configuration Configuration map from Nuvoton NPCX GPIO to pinmux controller (SCFG) driver instances1	`nuvoton,npcx-pinctrl-conf`
	on-chip	Nuvoton NPCX7 Low-Voltage level detection configuration map between Nuvoton NPCX GPIO and low-voltage controller (LV_GPIO_CTL) driver instances1	`nuvoton,npcx-lvolctrl-conf`
	on-chip	Nuvoton NPCX System Configuration (Pinmux, 1.8V support and so on)1	`nuvoton,npcx-scfg`
	on-chip	Nuvoton, NPCX Default Pins Configurations1	`nuvoton,npcx-pinctrl-def`
	on-chip	The Nuvoton pin controller is a singleton node responsible for controlling pin function selection and pin properties1	`nuvoton,npcx-pinctrl`
	on-chip	Nuvoton, NPCX power leakage IOs1	`nuvoton,npcx-leakage-io`
Power management	on-chip	Nuvoton, NPCX Power Switch Logic (PSL) control node1	`nuvoton,npcx-power-psl`
PS/2	on-chip	Nuvoton, NPCX-PS/2 controller node1	`nuvoton,npcx-ps2-ctrl`
PS/2	on-chip	Nuvoton, NPCX-PS/2 channel pads node4	`nuvoton,npcx-ps2-channel`
PWM	on-chip	Nuvoton, NPCX Pulse Width Modulator (PWM) node1 7	`nuvoton,npcx-pwm`
Reset controller	on-chip	NPCX Reset Controller1	`nuvoton,npcx-rst`
Serial controller	on-chip	Nuvoton, NPCX-UART node1 1	`nuvoton,npcx-uart`
SHI	on-chip	Nuvoton, NPCX Serial Host Interface (SHI) node1	`nuvoton,npcx-shi`
SPI	on-chip	Nuvoton, NPCX SPI controller1	`nuvoton,npcx-spip`
SRAM	on-chip	Generic on-chip SRAM description2	`mmio-sram`
System controller	on-chip	System Controller Registers R/W2	`syscon`
Tachometer	on-chip	Nuvoton, NPCX-Tachometer node1 1	`nuvoton,npcx-tach`
Timer	on-chip	ARMv7-M System Tick1	`arm,armv7m-systick`
Timer	on-chip	Nuvoton, NPCX Internal Timer (ITIM) node1	`nuvoton,npcx-itim-timer`
Watchdog	on-chip	Nuvoton, NPCX-TWD node1	`nuvoton,npcx-watchdog`

Connections and IOs

Nuvoton to provide the schematic for this board.

System Clock

The NPCX7M6FB MCU is configured to use the 90Mhz internal oscillator with the on-chip PLL to generate a resulting EC clock rate of 15 MHz. See Processor clock control register (chapter 4 in user manual)

Serial Port

UART1 is configured for serial logs.

Programming and Debugging

This board comes with a Cortex ETM port which facilitates tracing and debugging using a single physical connection. In addition, it comes with sockets for JTAG only sessions.

Flashing

If the correct IDC headers are installed, this board supports both J-TAG and also the ChromiumOS servo.

To flash using Servo V2, μServo, or Servo V4 (CCD), see the Chromium EC Flashing Documentation [1] for more information.

To flash with J-TAG, install the drivers for your programmer, for example: SEGGER J-link’s drivers are at https://www.segger.com/downloads/jlink/

# From the root of the zephyr repository
west build -b npcx7m6fb_evb samples/hello_world
west flash

Debugging

Use JTAG/SWD with a J-Link