Freescale Semiconductor FXTH87 11 Series, Руководство пользователя для прошивки

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Freescale Semiconductor
Document Number: FXTH87XX1XFWUG
User Guide
Rev. 2.1, 10/2014
© 2014 Freescale Semiconductor, Inc. All rights reserved.
Contents
FXTH87xx11 and FXTH87xx12
Embedded Firmware User Guide
1 Introduction
This document describes the embedded firmware found
in all derivatives of the FXTH87xx11 and FXTH87xx12
devices.
The intended audience for this document is firmware
architects, developers, coders and/or testers working
with the FXTH87xx11 and FXTH87xx12 devices.
This document is divided into three sections: This
introduction, a section describing global variables and
standard formats used throughout the functions, and a
third section describing each function.
2 Globals and formats
2.1 Global variables
Table 1 summarizes all global variables used by
Freescale firmware and their locations. Developers must
account for these variables when creating new user
firmware.
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Globals and formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.1 Global variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.2 Measurement error format. . . . . . . . . . . . . . . . . . . . 3
2.3 Universal Uncompensated Measurement Array
(UUMA) format . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Simulated SPI interface Signal Format . . . . . . . . . . 6
2.5 Rapid Decompression Event Array
(T_RDE) Format . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.6 LFR registers initialized by firmware . . . . . . . . . . . . 8
3 Firmware Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Firmware jump table . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Function description . . . . . . . . . . . . . . . . . . . . . . . 11