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S3C72Q5

4–BIT CMOS MICROCONTROLLER

Samsung 

Table of Contents (Continued)

Section 3

Addressing Modes

Overview .............................................................................................................................................3-1

EMB and ERB Initialization Values ...............................................................................................3-3

Enable Memory Bank Settings .....................................................................................................3-4

Select Bank Register (SB) ...........................................................................................................3-5

Direct And Indirect Addressing..............................................................................................................3-6

1-Bit Addressing..........................................................................................................................3-6

4-Bit Addressing..........................................................................................................................3-8

8-Bit Addressing..........................................................................................................................3-11

Section 4

Memory Map

Overview .............................................................................................................................................4-1

I/O Map For Hardware Registers ...................................................................................................4-1

Register Descriptions...................................................................................................................4-6

Section 5

SAM48 Instruction Set

Overview .............................................................................................................................................5-1

Instruction Set Features .......................................................................................................................5-1

Instruction Reference Area ...........................................................................................................5-2

Reducing Instruction Redundancy .................................................................................................5-3

Flexible Bit Manipulation ..............................................................................................................5-4

Instructions Which Have Skip Conditions .......................................................................................5-4

Instructions Which Affect The Carry Flag .......................................................................................5-4

ADC and SBC Instruction Skip Conditions .....................................................................................5-5

Symbols And Conventions....................................................................................................................5-6

Opcode Definitions ..............................................................................................................................5-7

High-Level Summary ............................................................................................................................5-8

Binary Code Summary .........................................................................................................................5-13

Instruction Descriptions........................................................................................................................5-23

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S3C72Q5/P72Q5 MICROCONTROLLER

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