SN8P2501CA 查看數據表（PDF） - Sonix Technology Co., Ltd

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SN8P2501CA

SONiX 8-Bit Micro-Controller

Sonix Technology Co., Ltd 

Table of Content

SN8P2501C

8-Bit Micro-Controller

AMENDENT HISTORY............................................................................................................................2

11 PRODUCT OVERVIEW .....................................................................................................................7

1.1 FEATURES....................................................................................................................................7

1.2 SYSTEM BLOCK DIAGRAM .......................................................................................................8

1.3 PIN ASSIGNMENT .......................................................................................................................8

1.4 PIN DESCRIPTIONS.....................................................................................................................9

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 ..................................................................................................................29

2.5.2 Reset_Pin code option...........................................................................................................29

SONiX TECHNOLOGY CO., LTD

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Preliminary Version 0.3

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