HMS81020TL datasheet(3/77 Pages) HYNIX

3 / 77 page

HMS81004E/08E/16E/24E/32E

JUNE 2001 Ver 1.00

Table of Contents

1. OVERVIEW ...........................................1

Description .........................................................1

Features .............................................................1

Development Tools ............................................ 2

2. BLOCK DIAGRAM

..............................3

3. PIN ASSIGNMENT (Top View) ........... 4

4. PACKAGE DIMENSION .......................5

5. PIN FUNCTION .....................................8

6. PORT STRUCTURES .........................10

7. ELECTRICAL CHARACTERISTICS ...12

Absolute Maximum Ratings .............................12

Recommended Operating Conditions ..............12

DC Electrical Characteristics ............................12

REMOUT Port Ioh Characteristics Graph ........13

REMOUT Port Iol Characteristics Graph .........14

AC Characteristics ...........................................14

8. MEMORY ORGANIZATION ................16

Registers ..........................................................16

Program Memory .............................................19

Data Memory ....................................................22

List for Control Registers.................................. 23

Addressing Mode .............................................25

9. I/O PORTS ..........................................30

R0 Ports ........................................................... 30

R1 Ports ...........................................................30

R2 Port .............................................................32

10. CLOCK GENERATOR ......................33

Oscillation Circuit .......................................... 34

11. BASIC INTERVAL TIMER ................36

12. WATCH DOG TIMER .......................38

13. Timer0, Timer1, Timer2 ....................39

14. INTERRUPTS ...................................47

Interrupt priority and sources ........................ 48

Interrupt control register ................................ 48

Interrupt accept mode ................................... 49

Interrupt Sequence ........................................ 50

BRK Interrupt ................................................ 52

Multi Interrupt ................................................ 52

External Interrupt ........................................... 52

Key Scan Input Processing ........................... 53

15.STANDBY FUNCTION ......................55

Sleep Mode .................................................... 55

STOP MODE .................................................. 55

STANDBY MODE RELEASE ......................... 56

RELEASE OPERATION OF STANDBYMODE58

16. RESET FUNCTION ..........................60

EXTERNAL RESET ...................................... 60

POWER ON RESET ..................................... 60

Low Voltage Detection Mode ........................ 62

A. MASK ORDER SHEET ........................ i

B. INSTRUCTION .................................... ii

Terminology List ...............................................ii

Instruction Map ................................................. iii

Instruction Set ..................................................iv

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