IA88C00-PDW48I-R datasheet(56/80 Pages) INNOVASIC

56 / 80 page

IA88C00

Data Sheet

Microcontroller

As of Production Version -01

ENG21 1 030617-04

www.Innovasic

Innovasic.com

Innovasic Semiconductor

Page 56 of 80

1.888.824.4184

Figure 56. Rotate and Shift Instructions

Mnemonic

Operands

Instructions

dst

Rotate left

RLC

dst

Rotate left through carry

dst

Rotate right

RRC

dst

Rotate right through carry

SWAP

dst

Swap nibbles

Figure 57. CPU Control Instructions

Mnemonic

Operands

Instructions

CCF

Complement carry flag

Disable interrupts

Enable interrupts

NOP

Do nothing

RCF

Reset carry flag

SBO

Set bank flag

SB1

Set bank 1

SCF

Set carry flag

SRP

src

Set register pointers

SRP0

src

Set register pointer zero

SRP1

src

Set register pointer one

STOP

Enable STOP Mode

Interrupts

The IA88C00 supports as many as 27 interrupt sources. Interrupt sources are sorted into 8 different

priority levels. These levels are controlled by the interrupt Priority Register (IPR). Enabling and masking

of individual interrupts is controlled by the System Mode Register (R222).

The various sources, vectors and levels of the interrupt structure are depicted in Figure 58 in this section.

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