8-Bit Micro-Controller. SN8P2501B1P Datasheet

SN8P2501B1P Micro-Controller. Datasheet pdf. Equivalent


SONiX SN8P2501B1P
SN8P2501B/B1
IHRC I/O Type 8-Bit Micro-Controller
SN8P2501B/B1
USERS MANUAL
Preliminary Version 0.1
SN8P2501B
SN8P2501B1
SONiX 8-Bit Micro-Controller
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 TECHNOLOGY CO., LTD
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Preliminary Version 0.1


SN8P2501B1P Datasheet
Recommendation SN8P2501B1P Datasheet
Part SN8P2501B1P
Description 8-Bit Micro-Controller
Feature SN8P2501B1P; SN8P2501B/B1 IHRC I/O Type 8-Bit Micro-Controller SN8P2501B/B1 USER’S MANUAL Preliminary Version 0..
Manufacture SONiX
Datasheet
Download SN8P2501B1P Datasheet




SONiX SN8P2501B1P
Version
VER 0.1
SN8P2501B/B1
IHRC I/O Type 8-Bit Micro-Controller
Date
Oct. 2010 First issue.
AMENDENT HISTORY
Description
SONiX TECHNOLOGY CO., LTD
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Preliminary Version 0.1



SONiX SN8P2501B1P
SN8P2501B/B1
IHRC I/O Type 8-Bit Micro-Controller
Table of Content
AMENDENT HISTORY............................................................................................................................2
11 PRODUCT OVERVIEW .......................................................................................................................6
1.1 FEATURES....................................................................................................................................6
1.2 SYSTEM BLOCK DIAGRAM .......................................................................................................7
1.3 PIN ASSIGNMENT .......................................................................................................................7
1.4 PIN DESCRIPTIONS.....................................................................................................................8
1.5 PIN CIRCUIT DIAGRAMS ...........................................................................................................9
22 CENTRAL PROCESSOR UNIT (CPU)...............................................................................................10
2.1 PROGRAM MEMORY (ROM) ....................................................................................................10
2.1.1 RESET VECTOR (0000H) ...................................................................................................11
2.1.2 INTERRUPT VECTOR (0008H)..........................................................................................12
2.1.3 LOOK-UP TABLE DESCRIPTION .....................................................................................14
2.1.4 JUMP TABLE DESCRIPTION ............................................................................................16
2.1.5 CHECKSUM CALCULATION............................................................................................18
2.2 DATA MEMORY (RAM) ............................................................................................................19
2.2.1 SYSTEM REGISTER...........................................................................................................19
2.2.1.1 SYSTEM REGISTER TABLE..........................................................................................19
2.2.1.2 SYSTEM REGISTER DESCRIPTION.............................................................................19
2.2.1.3 BIT DEFINITION of SYSTEM REGISTER.....................................................................20
2.2.2 ACCUMULATOR................................................................................................................21
2.2.3 PROGRAM FLAG ...............................................................................................................22
2.2.4 PROGRAM COUNTER .......................................................................................................23
2.2.5 Y, Z REGISTERS.................................................................................................................25
2.2.6 R REGISTER .......................................................................................................................25
2.3 ADDRESSING MODE.................................................................................................................26
2.3.1 IMMEDIATE ADDRESSING MODE..................................................................................26
2.3.2 DIRECTLY ADDRESSING MODE.....................................................................................26
2.3.3 INDIRECTLY ADDRESSING MODE.................................................................................26
2.4 STACK OPERATION..................................................................................................................27
2.4.1 OVERVIEW.........................................................................................................................27
2.4.2 STACK REGISTERS ...........................................................................................................27
2.4.3 STACK OPERATION EXAMPLE.......................................................................................28
2.5 CODE OPTION TABLE...............................................................................................................29
2.5.1 Fcpu code option...................................................................................................................30
2.5.2 Reset_Pin code option...........................................................................................................30
2.5.3 Security code option .............................................................................................................30
2.5.4 Noise Filter code option ........................................................................................................30
33 RESET.................................................................................................................................................31
3.1 OVERVIEW ................................................................................................................................31
3.2 POWER ON RESET.....................................................................................................................32
3.3 WATCHDOG RESET ..................................................................................................................32
3.4 BROWN OUT RESET..................................................................................................................32
3.5 THE SYSTEM OPERATING VOLTAGE ....................................................................................33
3.6 LOW VOLTAGE DETECTOR (LVD) .........................................................................................33
3.7 BROWN OUT RESET IMPROVEMENT.....................................................................................35
3.8 EXTERNAL RESET ....................................................................................................................36
3.9 EXTERNAL RESET CIRCUIT ....................................................................................................36
3.9.1 Simply RC Reset Circuit .......................................................................................................36
SONiX TECHNOLOGY CO., LTD
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Preliminary Version 0.1







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