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Confidential and Proprietary – Qualcomm Technologies, Inc.
NO PUBLIC DISCLOSURE PERMITTED: Please report postings of this document on public servers or websites to:
DocCtrlAgent@qualcomm.com.
Restricted Distribution: Not to be distributed to anyone who is not an employee of either Qualcomm Technologies, Inc. or its affiliated
companies without the express approval of Qualcomm Configuration Management.
Qualcomm Technologies, Inc.
80-NA157-24 Rev. P
Low-Speed Peripherals Overview
Confidential and Proprietary – Qualcomm Technologies, Inc. |
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
PAGE 2
80-NA157-24 Rev. P February 2018
Confidential and Proprietary – Qualcomm Technologies, Inc.
NO PUBLIC DISCLOSURE PERMITTED: Please report postings of this document on public servers or websites to:
DocCtrlAgent@qualcomm.com.
Restricted Distribution: Not to be distributed to anyone who is not an employee of either Qualcomm Technologies, Inc. or its affiliated companies without the express approval of
Qualcomm Configuration Management
Not to be used, copied, reproduced, or modified in whole or in part, nor its contents revealed in any manner to others without the express written permission of Qualcomm Technologies, Inc.
Qualcomm Snapdragon, MSM, and Qualcomm WiPower are products of Qualcomm Technologies, Inc. Other Qualcomm products referenced herein are products of Qualcomm
Technologies, Inc. or its subsidiaries.
Qualcomm, Snapdragon, MSM, and WiPower are trademarks of Qualcomm Incorporated, registered in the United States and other countries. Other product and brand names may be
trademarks or registered trademarks of their respective owners.
This technical data may be subject to U.S. and international export, re-export, or transfer (“export”) laws. Diversion contrary to U.S. and international law is strictly prohibited.
Qualcomm Technologies, Inc.
5775 Morehouse Drive
San Diego, CA 92121
U.S.A.
© 2012–2013, 2015–2016, 2018 Qualcomm Technologies, Inc. and/or its affiliated companies. All rights reserved.
Confidential and Proprietary – Qualcomm Technologies, Inc.
Confidential and Proprietary – Qualcomm Technologies, Inc. |
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
PAGE 3
80-NA157-24 Rev. P February 2018
Revision History
Date Description
A September 2012 Initial release
B January 2013 Updated I2C and I2C tags V2 information
C April 2013 Updated BLSP Assignment on MSM8974 Reference Design
D September 2013 Added APQ8084 information, scope, and [Q3]; updated presentation title, BLSP
slide, BLSP Assignment on MSM8974 Reference Design and Peripheral Comparison
tables
E December 2013 Updated presentation title, SPI slide, Peripheral Comparison table
F January 2015 Updated clock descriptions and Peripheral Comparison table to include MSM8x16,
MSM8x39, MSM8994, and MSM8x09
G April 2015 Updated MSM8952 and MSM8996 peripheral comparison in slide 36; updated MSM8952
and MSM8996 usage cases in slides 37-38
H May 2015 Updated slide 39
J August 2015 Updated BLSP numbers for MDM9x07 in slide 37; updated usage cases for MTP9x07,
MTP9x45, and MTP9x50 in slide 38
K October 2015 Updated BLSP numbers for MSM8953 and MSM8937 in slide 37; updated MSM8937
usage cases in slide 39
L November 2015 Updated slides 26, 38, and 39
M June 2016 Updated slides 37 and 38
N July 2016 Updated slide 37
P February 2018 Numerous changes were made to this document; it should be read in its entirety.
Note: There is no Rev. I, O, Q, S, X, or Z per Mil. standards.
Confidential and Proprietary – Qualcomm Technologies, Inc. |
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
PAGE 4
80-NA157-24 Rev. P February 2018
Contents
Objectives
BLSP
UART Core
QUP Engine
SPI
I
2
C
BAM
References
Questions?
Confidential and Proprietary – Qualcomm Technologies, Inc. |
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
PAGE 5
80-NA157-24 Rev. P February 2018
At the end of this presentation, you will understand:
The major low-speed, wired connectivity features on the
Qualcomm
®
Snapdragon™ Processor.
The direct memory access (DMA) features for low-speed buses.
This document is intended for engineers who are currently using or are
planning to use MSM™, APQ, MDM, and SDM devices.
Multiple ASICs, for example, MSM, APQ, MDM, and SDM are addressed
in this document.
Objectives
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