L9803 datasheet(107/126 Pages) STMICROELECTRONICS

부품명	L9803

상세설명	Super smart power motor driver with 8-Bit MCU, RAM, EEPROM, ADC, WDG, Timers, PWM and H-bridge driver

PDF	126 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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107 / 126 page

L9803

Instruction Set

107/126

Immediate:

Immediate instructions have two bytes, the first byte contains the opcode, the second byte

contains the operand value.

Direct (Short, Long):

In Direct instructions, the operands are referenced by their memory address, which follows

the opcode.

The direct addressing mode consists of two sub-modes:

Direct (short):

The address is a byte, thus requires only one byte after the opcode, but only allows 00 - FF

addressing space.

Direct (long):

The address is a word, thus allowing 64Kb addressing space, but requires 2 bytes after the

opcode.

Immediate Instruction

Function

Load

Compare

BCP

Bit Compare

AND, OR, XOR

Logical Operations

ADC, ADD, SUB, SBC

Arithmetic Operations

Available Long and Short Direct Instructions

Function

Load

Compare

AND, OR, XOR

Logical Operations

ADC, ADD, SUB, SBC

Arithmetic Additions/Substructions operations

BCP

Bit Compare

Short Direct Instructions Only

Function

CLR

Clear

INC, DEC

Increment/Decrement

TNZ

Test Negative or Zero

CPL, NEG

1 or 2 Complement

BSET, BRES

Bit Operations

BTJT, BTJF

Bit Test and Jump Operations

SLL, SRL, SRA, RLC, RRC

Shift and Rotate Operations

SWAP

Swap Nibbles

CALL, JP

Call or Jump subroutine

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