L9805 datasheet(92/103 Pages) STMICROELECTRONICS

Teilenummer	L9805

Bauteilbeschribung	Super Smart Power Motor Driver with 8-BIT MCU, CAN Interface, 16K EPROM, 256Bytes RAM, 128 Bytes EEPROM, 10 Bit ADC, WDG, 2 Timers, 2 PWM Modules, Ful

PDF	103 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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92 / 103 page

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L9805

INSTRUCTION SET OVERVIEW (Cont’d)

JRULE

Jump if (C + Z = 1)

Unsigned <=

Load

dst <= src

reg, M

M, reg

MUL

Multiply

X,A = X * A

A, X, Y

X, Y, A

NEG

Negate (2's compl)

neg $10

reg, M

NOP

No Operation

OR operation

A = A + M

POP

Pop from the Stack

pop reg

reg

HIN

pop CC

PUSH

Push onto the Stack

push Y

reg, CC

RCF

Reset carry flag

C = 0

RET

Subroutine Return

RIM

Enable Interrupts

I = 0

RLC

Rotate left true C

C <= A <= C

reg, M

RRC

Rotate right true C

C => A => C

reg, M

RSP

Reset Stack Pointer

S = Max allowed

SBC

Substract with Carry

A = A - M - C

SCF

Set carry flag

C = 1

SIM

Disable Interrupts

I = 1

SLA

Shift left Arithmetic

C <= A <= 0

reg, M

SLL

Shift left Logic

C <= A <= 0

reg, M

SRL

Shift right Logic

0 => A => C

reg, M

SRA

Shift right Arithmetic

A7 => A => C

reg, M

SUB

Substraction

A = A - M

SWAP

SWAP nibbles

A7-A4 <=> A3-A0

reg, M

TNZ

Test for Neg & Zero

tnz lbl1

TRAP

S/W trap

S/W interrupt

WFI

Wait for Interrupt

XOR

Exclusive OR

A = A XOR M

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