CEC1712 datasheet(8/338 Pages) MICROCHIP

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CEC1712

DS00003416C-page 8

 2020-2021 Microchip Technology Inc.

1.2

Boot ROM

Following the release of the RESET_EC signal, the processor will start executing code in the Boot ROM. The Boot ROM

executes the SPI Flash Loader, which downloads User Code from SPI Flash and stores it in the internal Code RAM.

Refer to CEC1712 Boot ROM document for further details.

1.3

System Block Diagram

1.3.1

CEC1712 INTERNAL ADDRESS SPACES

The Internal Embedded Controller can access any register in the EC Address Space or Host Address Space.

UART0

Battery

Pack

SMBus

Fans or

General

Use

PWMs

2‐pin UART

(x2)

UART

Breathing PWM

Trace FIFO

Debug Port

TFDP

SMBus/

I2C Device

(s)

SMBus/I2C

GPIOs

Voltage Monitoring

(e.g., Thermistors,

Power Supplies)

ADCs

Power Supply

Power Button(s)

Battery Powered

GPIO

BGPO

2/4‐pin

Debug

JTAG

CEC1712 Embedded

Controller

2/4‐pin

UART

Quad SPI(x2)

Main Power Supply

VCC_PWRGD

LEDs(x2)

ICT

Sensors/

PWM inputs

TACHs

VCI_OUT

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