4553 datasheet(74/145 Pages) RENESAS

74 / 145 page

Rev.3.02

Dec 22, 2006

page 74 of 142

REJ03B0024-0302

4553 Group

Symbol

PU0

PU1

FR0

FR1

FR2

PCH

PCL

UPTF

RPS

R2L

R2H

RLC

Contents

Interrupt control register V1 (4 bits)

Interrupt control register V2 (4 bits)

Interrupt control register I1 (4 bits)

Clock control register MR (4 bits)

Clock control register RG (3 bits)

Timer control register PA (1 bit)

Timer control register W1 (4 bits)

Timer control register W2 (4 bits)

Timer control register W3 (4 bits)

Timer control register W4 (4 bits)

LCD control register L1 (4 bits)

LCD control register L2 (4 bits)

LCD control register L3 (4 bits)

LCD control register C1 (4 bits)

LCD control register C2 (4 bits)

Pull-up control register PU0 (4 bits)

Pull-up control register PU1 (4 bits)

Port output structure control register FR0 (4 bits)

Port output structure control register FR1 (4 bits)

Port output structure control register FR2 (4 bits)

Key-on wakeup control register K0 (4 bits)

Key-on wakeup control register K1 (4 bits)

Key-on wakeup control register K2 (4 bits)

Data pointer (10 bits)

(It consists of registers X, Y, and Z)

Program counter (14 bits)

High-order 7 bits of program counter

Low-order 7 bits of program counter

Stack register (14 bits ✕ 8)

Stack pointer (3 bits)

Carry flag

High-order bit reference enable flag

Prescaler reload register (8 bits)

Timer 1 reload register (8 bits)

Timer 3 reload register (8 bits)

Timer 2 reload register (8 bits)

Timer LC reload register (4 bits)

Contents

Prescaler

Timer 1

Timer 2

Timer 3

Timer LC

Timer 1 interrupt request flag

Timer 2 interrupt request flag

Timer 3 interrupt request flag

Watchdog timer flag

Watchdog timer enable flag

Interrupt enable flag

External 0 interrupt request flag

Power down flag

Port D (8 bits)

Port P0 (4 bits)

Port P1 (4 bits)

Port P2 (4 bits)

Port C (1 bit)

Hexadecimal variable

Hexadecimal constant

Binary notation of hexadecimal variable A

(same for others)

Direction of data movement

Data exchange between a register and memory

Decision of state shown before “?”

Contents of registers and memories

Negate, Flag unchanged after executing instruction

RAM address pointed by the data pointer

Label indicating address a6 a5 a4 a3 a2 a1 a0

in page p6 p5 p4 p3 p2 p1 p0

Hex. C + Hex. number x

Symbol

TLC

T1F

T2F

T3F

WDF1

WEF

INTE

EXF0

A3A2A1A0

←

↔

( )

—

M(DP)

p, a

INSTRUCTIONS

The 4553 Group has the 124 (123) instructions. Each instruction is

described as follows;

(1) Index list of instruction function

(2) Machine instructions (index by alphabet)

(3) Machine instructions (index by function)

(4) Instruction code table

Note : Some instructions of the 4553 Group has the skip function to unexecute the next described instruction. The 4553 Group just invalidates the next instruc-

tion when a skip is performed. The contents of program counter is not increased by 2. Accordingly, the number of cycles does not change even if skip

is not performed. However, the cycle count becomes “1” if the TABP p, RT, or RTS instruction is skipped.

SYMBOL

The symbols shown below are used in the following list of instruc-

tion function and the machine instructions.

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