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Toshiba Electronic Components Datasheet

TC35681IFTG-002 Datasheet

Bluetooth-IC

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CONFIDENTIAL
Preliminary
TC35681IFTG-002
TC35681IFTG-002
Bluetooth® Low Energy IC
Rev 0.9
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.
Arm and Cortex are registered trademarks of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
Do not design your products or systems based on the information on this document.
Please contact your Toshiba sales representative for updated information before designing your products.
© 2018
Toshiba Electronic Devices & Storage Corporation
1 / 84
2018-10-03


Toshiba Electronic Components Datasheet

TC35681IFTG-002 Datasheet

Bluetooth-IC

No Preview Available !

CONFIDENTIAL
Preliminary
TC35681IFTG-002
Table of Contents
Preface...............................................................................................................................................................................................................5
Related Documents .....................................................................................................................................................................................5
Technical Terms and Abbreviations .........................................................................................................................................................5
1. Function Outlines and Features ...........................................................................................................................................................6
1.1.
Function Outlines ..........................................................................................................................................................................6
1.2.
Features .........................................................................................................................................................................................7
2. Pin Assignment................................................................................................................................................................................... 10
2.1.
Pin Assignment (Top View)........................................................................................................................................................ 10
2.2.
Function of Each Pin...................................................................................................................................................................11
2.3.
List of Functions of GPIO Pins .................................................................................................................................................. 13
Example of GPIO Function Setting................................................................................................................................... 14
Limitation on Assignment of UART Function to GPIO..................................................................................................... 15
Limitation on Assignment of I2C Function to GPIO .......................................................................................................... 15
2.4.
Power Supply Pins..................................................................................................................................................................... 16
3. Device Overview ................................................................................................................................................................................ 18
3.1.
Internal Block Diagram............................................................................................................................................................... 18
Power Supply System ....................................................................................................................................................... 19
Clock System ..................................................................................................................................................................... 19
Hardware Start-up Sequence ........................................................................................................................................... 20
3.2.
System Configuration and Operating Mode ............................................................................................................................. 21
3.3.
System Configuration ................................................................................................................................................................ 22
Standalone System ........................................................................................................................................................... 22
Host-Controlled System .................................................................................................................................................... 22
3.4.
Selection and Setting of Operating Mode ................................................................................................................................. 22
HCI Mode ........................................................................................................................................................................... 23
Complete Mode ................................................................................................................................................................. 23
User-App Mode ................................................................................................................................................................. 23
3.5.
Start-up Sequence ..................................................................................................................................................................... 24
Details of Start-up Sequence ............................................................................................................................................ 24
3.6.
Low Power System .................................................................................................................................................................... 26
State Transition .................................................................................................................................................................. 26
Available Functions in Each Low Power Mode................................................................................................................ 27
Condition on Transition to Low Power Mode ................................................................................................................... 28
Condition on Return from Low Power Mode.................................................................................................................... 29
Acquisition of Wake-up Factor and Return from Low Power Mode................................................................................ 29
4. Functions ............................................................................................................................................................................................ 30
4.1.
Bluetooth® Wireless Communication........................................................................................................................................ 30
Supported Functions ......................................................................................................................................................... 30
RF Function........................................................................................................................................................................ 31
4.2.
Output Power Setting................................................................................................................................................................. 31
4.3.
Auto-advertise Function ............................................................................................................................................................. 31
4.4.
Power Supply ............................................................................................................................................................................. 32
VBAT and VDDIO.............................................................................................................................................................. 32
Voltage Step-Down DC/DC Converter and LDO Regulator ........................................................................................... 32
4.5.
Reset Interface ........................................................................................................................................................................... 33
Feature ............................................................................................................................................................................... 33
Connection Example ......................................................................................................................................................... 33
4.6.
General-purpose I/O (GPIO) Function...................................................................................................................................... 34
Feature ............................................................................................................................................................................... 34
2 / 84
2018-10-03


Part Number TC35681IFTG-002
Description Bluetooth-IC
Maker Toshiba
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