SONIX SN32F260 Series User Manual

SN32F260 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 1 Version 1.5
SN32F260 Series
USER’S MANUAL
SN32F268/267/265/264/2641/263
S
S
O
O
N
N
i
i
X
X
3
3
2
2
-
-
B
B
i
i
t
t
C
C
o
o
r
r
t
t
e
e
x
x
-
-
M
M
0
0
M
M
i
i
c
c
r
r
o
o
-
-
C
C
o
o
n
n
t
t
r
r
o
o
l
l
l
l
e
e
r
r
SONIX reserves the right to make change without further notice to any products herein to improve reliability, function or design. SONIX does not
assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent
rights nor the rights of others. SONIX products are not designed, intended, or authorized for us as components in systems intended, for surgical
implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SONIX product
could create a situation where personal injury or death may occur. Should Buyer purchase or use SONIX products for any such unintended or
unauthorized application. Buyer shall indemnify and hold SONIX and its officers, employees, subsidiaries, affiliates and distributors harmless against
all claims, cost, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use even if such claim alleges that SONIX was negligent regarding the design or manufacture of
the part.

SONIX SN32F260 Series Specifications

General

Brand	SONIX
Model	SN32F260 Series
Category	Microcontrollers
Language	English

Summary

1 Product Overview

1.1 Features

Details the MCU's memory, voltage, frequency, interrupt sources, I/O, WDT, timer, LVD, USB, and packages.

1.2 System Block Diagram

Illustrates the internal architecture and connectivity of the MCU components and interfaces.

2 Central Processor Unit (CPU)

2.1 Memory Map

Defines the memory organization, including Flash, SRAM, and peripheral address spaces.

2.2 System Tick Timer

Describes the 24-bit SysTick timer for generating periodic interrupts, used for OS or timing.

3 System Control

3.1 Reset

Details various reset sources like POR, LVD, WDT, external, and software resets.

3.2 System Clock

Describes clock sources (IHRC, ILRC), clock selection, and clock-out capability.

4 System Operation Mode

4.2 Normal Mode

Describes operation with peripherals clocked by the system clock and individual dividers.

4.3 Low-Power Modes

Details Sleep and Deep-sleep modes for processor power reduction.

5 General Purpose I/O Port (GPIO)

5.2 GPIO Mode

Describes how to configure GPIO pins, including pull-up resistors and Schmitt trigger.

5.3 GPIO Registers

Register definitions for controlling GPIO data, mode, configuration, and interrupts.

6 16-Bit Timer0 with Capture Function

6.1 Overview

Introduces 16-bit timers with capture, PWM, and interrupt capabilities.

6.2 Features

Lists features like prescalers, capture channels, match registers, and PWM outputs.

7 Watchdog Timer (WDT)

7.1 Overview

Explains the watchdog timer's purpose to reset the MCU in erroneous states.

7.3 WDT Registers

Register definitions for configuring and controlling the watchdog timer.

8 SPI

8.1 Overview

Introduces the SPI controller for serial communication with masters and slaves.

8.4 Interface Description

Details the SPI interface, clock polarity (CPOL), phase (CPHA), and data transfer timing.

9 I2C

9.1 Overview

Introduces the I2C bus interface for inter-IC control using SCL and SDA lines.

9.5 I2C Master Modes

Describes I2C master operations including transmitter and receiver modes.

10 USB FS Device Interface

10.1 Overview

Introduces the USB interface for PC connectivity and its applications.

10.5 USB SRAM Access

Explains how to access the USB SRAM buffer and configure endpoint offsets.

11 Flash

11.1 Overview

Introduces the in-system programmable Flash memory for code storage.

11.8 Flash Memory Controller (FMC)

Details the Flash memory controller for program, erase, and security operations.

12 Serial-Wire Debug (SWD)

12.1 Overview

Introduces SWD functions for debugging and breakpoints.

12.4 Debug Note

Provides notes on debug mode limitations and behavior.

13 Development Tool

13.1 SN-LINK-V3.0

Details the SN-LINK-V3.0 high-speed emulator for debugging and programming SONiX MCUs.

13.2 SN32F268 Starter-Kit

Describes the SN32F268 Starter-kit for easy MCU development and I/O connection.

14 Electrical Characteristic

14.1 Absolute Maximum Rating

Defines the absolute maximum operating limits for voltage, temperature, etc.

14.2 Electrical Characteristic

Lists detailed electrical parameters like operating voltage, current, and timing.

15 Flash ROM Programming Pin

16 Package Information

16.1 LQFP 48 Pin

Provides mechanical dimensions and specifications for the LQFP 48-pin package.

16.2 QFN 46 Pin

Provides mechanical dimensions and specifications for the QFN 46-pin package.

17 Marking Definition

17.2 Marking Indentification System

Explains the system for identifying MCU markings based on part number, ROM type, etc.

17.3 Marking Example

Provides examples of marking codes for various SONiX MCU part numbers and packages.