L9803 datasheet(106/126 Pages) STMICROELECTRONICS

No. de pieza	L9803

Descripción Electrónicos	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%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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106 / 126 page

Instruction Set

L9803

106/126

Inherent:

All Inherent instructions consist of a single byte. The opcode fully specifies all the required

information for the CPU to process the operation.

Relative

Direct

jrne loop

PC+/-127

+ 1

Relative

Indirect

jrne [$10]

PC+/-127

00..FF

byte

+ 2

Bit

Direct

bset $10,#7

00..FF

+ 1

Bit

Indirect

bset [$10],#7

00..FF

byte

+ 2

Bit

Direct

Relative

btjt $10,#7,skip

00..FF

+ 2

Bit

Indirect

Relative

btjt [$10],#7,skip

00..FF

byte

+ 3

Table 15.

ST7 Addressing Mode Overview: (continued)

Mode

Syntax

Destination

Pointer

Address

Pointer Size

(Hex.)

Length

(Bytes)

Inherent Instruction

Function

NOP

No operation

TRAP

S/W Interrupt

WFI

Wait For Interrupt (Low Power Mode)

HALT

Halt Oscillator (Lowest Power Mode)

RET

Sub-routine Return

IRET

Interrupt Sub-routine Return

SIM

Set Interrupt Mask

RIM

Reset Interrupt Mask

SCF

Set Carry Flag

RCF

Reset Carry Flag

RSP

Reset Stack Pointer

Load

CLR

Clear

PUSH/POP

Push/Pop to/from the stack

INC/DEC

Increment/Decrement

TNZ

Test Negative or Zero

CPL, NEG

1 or 2 Complement

MUL

Byte Multiplication

SLL, SRL, SRA, RLC, RRC

Shift and Rotate Operations

SWAP

Swap Nibbles

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