參數(shù)資料
型號(hào)： KS57C0502
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： MICROCONTROLLER
中文描述： 單片機(jī)
文件頁(yè)數(shù)： 79/282頁(yè)
文件大小： 1966K
代理商： KS57C0502
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KS57C0502/C0504/P0504 MICROCONTROLLER
INSTRUCTION SET
5–1
5
SAM47 INSTRUCTION SET
OVERVIEW
The KS57 instruction set includes 1-bit, 4-bit, and 8-bit instructions for data manipulation, logical and arithmetic
operations, program control, and CPU control. I/O instructions for peripheral hardware devices are flexible and
easy to use. You can substitute symbolic hardware names as the instruction operand in place of the actual ad-
dress. Other important features of the KS57 instruction set include:
—1-byte referencing of long instructions (REF instruction)
—Redundant instruction reduction (string effect)
— Skip feature for ADC and SBC instructions
Instruction operands conform to the operand format defined for each instruction. Several instructions have mul-
tiple operand formats.
Predefined values or labels can be used as instruction operands when addressing immediate data. Many of the
symbols for specific registers and flags may also be substituted as labels for operations such DA, mema, memb,
b, and so on. Using instruction labels can greatly simplify program writing and debugging tasks.
INSTRUCTION SET FEATURES
In this section, the following KS57 instruction set features are described in detail:
—Instruction reference area
—Instruction redundancy reduction
—Flexible bit manipulation
— ADC and SBC instruction skip condition
Instruction Reference Area
Using the 1-byte REF (REFerence) instruction, you can reference instructions stored in addresses 0020H–007FH
of program memory (the REF instruction look-up table). The location referenced by REF may contain either two
1-byte instructions or a single 2-byte instruction. The starting address of the instruction being referenced must
always be an even number.
3-byte instructions such as JP or CALL may also be referenced using REF. To reference these 3-byte
instructions, the 2-byte pseudo commands TJP and TCALL must be written to the reference area instead of the
normal JP or CALL instruction.
The PC is not incremented when a REF instruction is executed. After it executes, the program's instruction ex-
ecution sequence resumes at the address immediately following the REF instruction. By using REF instructions
to execute instructions larger than one byte, as well as branches and subroutines, you can reduce the total
number of program steps. To summarize, the REF instruction can be used in three ways:
—Using the 1-byte REF instruction to execute one 2-byte or two 1-byte instructions;
—Branching to any location by referencing a branch address that is stored in the look-up table;
— Calling subroutines at any location by referencing a call address that is stored in the look-up table.
相關(guān)PDF資料
PDF描述
KS57C0504 RS-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 3.3V; Power: 2W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protection; Low Noise; No External Capacitor needed; Efficiency to 83%
KS57C21418 The KS57C21408/C21418/P21408 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.
KS57C21632 4-BIT CMOS Microcontroller(4位微控制器)
KS57P21632 4-BIT CMOS Microcontroller(4位微控制器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KS57C0504 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:MICROCONTROLLER
KS57C21116 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:The KS57C21116/C21124/C21132 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Sams
KS57C21124 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:The KS57C21116/C21124/C21132 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Sams
KS57C21132 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:The KS57C21116/C21124/C21132 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core, SAM47 (Sams
KS57C21408 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:The KS57C21408/C21418/P21408 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.
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