Maxim Integrated MAX32664 - User Manual

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MAX32664 User Guide
UG6806; Rev preliminary 1; 02/22
Abstract
The MAX32664 user guide provides flow charts, timing diagrams, GPIOs/pin usage, I
2
C interface protocol,
and annotated I
2
C traces between the host microcontroller and the MAX32664. Typical application uses
the MAX32664 as a low-power microcontroller in a sensor hub configuration to provide processed data
such as heart rate and SpO
2
.

Summary

Introduction

MAX32664 Variants

Maxim Reference Designs

MAXREFDES220#

Describes the MAXREFDES220# reference design for prototyping heart rate and SpO2.

MAXREFDES101#

Details the MAXREFDES101# platform for health-sensing applications.

MAX32664 GPIOs and RSTN Pin

MAX32664 Boot Modes

MAX32664 Bootloader Mode

Details the sequence for entering bootloader mode using RSTN and MFIO pins.

MAX32664 Application Mode

Explains the sequence for entering application mode using RSTN and MFIO pins.

I2 C Communication with MAX32664

Bit Transfer Process

Describes the fundamental process of transferring data bits over I2C.

Read Status Byte Value

I2 C Write Transaction

I2 C Read Transaction

MAX32664 I2 C Message Protocol

Output FIFO Format Definitions

Writing Accelerometer Data via I2 C

MAX32664 GWEA I2 C Example

Shows a captured I2C traffic example for commanding MAX32664GWEA to stream sensor/algorithm data.

MAX32664 GWEB I2 C Example

MAX32664 GWED I2 C Example

I2 C Commands for Firmware Flashing

In-Application Programming of MAX32664

MAX32664 APIs and Methods

Pre-Programmed.msbl Versions

Lists the pre-programmed application .msbl versions for different MAX32664 variants.

Revision History

Maxim Integrated MAX32664 Specifications

General

Brand	Maxim Integrated
Model	MAX32664
Category	Microcontrollers
Language	English