SONIX SN8P2511 - User Manual

SN8P2511
8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD Page 1 Version 1.2
SN8P2511
USER’S MANUAL
Version 1.2
SN8P2511
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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.

Summary

AMENDMENT HISTORY

PRODUCT OVERVIEW

FEATURES

Lists the main features and specifications of the SN8P2511.

SYSTEM BLOCK DIAGRAM

Visualizes the internal structure and components of the microcontroller.

PIN ASSIGNMENT

Details the pinout for different package types (P-DIP, SOP, SSOP).

PIN DESCRIPTIONS

Describes the function, type, and control conditions for each pin.

PIN CIRCUIT DIAGRAMS

Shows typical circuit configurations for various pin types.

CENTRAL PROCESSOR UNIT (CPU)

PROGRAM MEMORY (ROM)

Describes the ROM layout including reset, interrupt, and general purpose areas.

DATA MEMORY (RAM)

Describes the 48-byte general purpose RAM and system registers.

ADDRESSING MODE

Explains immediate, direct, and indirect addressing modes.

STACK OPERATION

Explains how the stack pointer and buffer manage program flow.

CODE OPTION TABLE

Lists various code options affecting hardware configuration.

RESET

OVERVIEW

Summarizes the three main reset conditions and their impact.

POWER ON RESET

Explains the sequence of events during a power-on reset.

WATCHDOG RESET

Describes how the watchdog timer prevents system hangs.

BROWN OUT RESET

Details the brown-out reset condition due to voltage drops.

THE SYSTEM OPERATING VOLTAGE

Explains system operating voltage and its relation to reset voltage.

LOW VOLTAGE DETECTOR (LVD)

Describes the LVD feature for detecting low voltage conditions.

SYSTEM CLOCK

OVERVIEW

Introduces the dual clock system (high-speed and low-speed).

FCPU (INSTRUCTION CYCLE)

Explains Fcpu as the instruction cycle and its relation to clock sources.

NOISE FILTER

Describes the Noise Filter's role in reducing high-frequency noise.

SYSTEM HIGH-SPEED CLOCK

Details internal and external high-speed clock options.

SYSTEM OPERATION MODE

OVERVIEW

Introduces the four operating modes: Normal, Slow, Power Down, Green.

NORMAL MODE

Describes the Normal Mode, its clock source, and characteristics.

SLOW MODE

Explains Slow Mode using the internal low-speed RC oscillator.

POWER DOWN MODE

Details the Power Down Mode for minimal power consumption.

GREEN MODE

Describes Green Mode for reduced power consumption with clock running.

INTERRUPT

OVERVIEW

Introduces the interrupt sources and control mechanisms.

INTEN INTERRUPT ENABLE REGISTER

Explains the INTEN register for enabling interrupt sources.

INTRQ INTERRUPT REQUEST REGISTER

Describes the INTRQ register for tracking interrupt requests.

GIE GLOBAL INTERRUPT OPERATION

Explains the GIE bit for enabling/disabling all interrupts.

PUSH, POP ROUTINE

Details PUSH/POP instructions for saving register context during interrupts.

EXTERNAL INTERRUPT OPERATION (INTO)

Describes the INTO external interrupt and its wake-up function.

T0 INTERRUPT OPERATION

Explains Timer 0 interrupt operation and its setup.

TC0 INTERRUPT OPERATION

Details TC0 timer interrupt operation and its request flag.

MULTI-INTERRUPT OPERATION

Explains how to manage multiple interrupt requests and priorities.

I;O PORT

OVERVIEW

Introduces the microcontroller's 12 I/O pins and their shared functions.

I;O PORT MODE

Explains how to set I/O pins as input or output using PnM registers.

I;O PULL UP REGISTER

Details the PnUR registers for enabling internal pull-up resistors.

I;O OPEN-DRAIN REGISTER

Explains the P1OC register for configuring P1.0 open-drain output.

I;O PORT DATA REGISTER

Describes how to read and write data to I/O ports.

TIMERS

WATCHDOG TIMER

Explains the watchdog timer for monitoring and resetting the MCU.

TIMER 0 (T0)

Details the 8-bit Timer 0, its modes, interrupts, and RTC function.

TC0 8-BIT TIMER;COUNTER

Details the TC0 timer's multiple functions: timer, counter, PWM, buzzer.

INSTRUCTION TABLE

ELECTRICAL CHARACTERISTIC

ABSOLUTE MAXIMUM RATING

Lists the absolute maximum ratings for supply voltage and temperature.

DC CHARACTERISTIC

Provides DC electrical characteristics like operating voltage and current.

CHARACTERISTIC GRAPHS

Presents graphs showing electrical characteristics under various conditions.

DEVELOPMENT TOOL

SN8 P2511;2501 A;B;C EV-KIT

Describes the EV-KIT and its features for emulation.

ICE AND EV-KIT APPLICATION NOTIC

Provides notices for connecting and using ICE and EV-KIT.

OTP PROGRAMMING PIN

WRITER TRANSITION BOARD SOCKET PIN ASSIGNMENT

Details pin assignments for writer transition boards.

PROGRAMMING PIN MAPPING:

Maps programming pins across different tools and packages.

Marking Definition

MARKING INDETIFICATION SYSTEM

Explains the system for identifying part numbers and specifications.

MARKING EXAMPLE

Shows examples of product markings for different package types.

DATECODE SYSTEM

Explains the system used for encoding the date code.

PACKAGE INFORMATION

P-DIP 14 PIN

Provides mechanical dimensions for the 14-pin PDIP package.

SOP 14 PIN

Provides mechanical dimensions for the 14-pin SOP package.

SSOP 16 PIN

Provides mechanical dimensions for the 16-pin SSOP package.

SONIX SN8P2511 Specifications

General

Core Architecture	8-bit
Max Clock Speed	16 MHz
Program Memory Type	Flash
Flash Memory	1 KB
RAM	64 Bytes
GPIO Pins	12
Comparators	1
Operating Voltage	2.4V - 5.5V
Operating Temperature	-40°C to 85°C
Timers	1 x 8-bit, 1 x 16-bit