cop8tab9 National Semiconductor Corporation, cop8tab9 Datasheet - Page 4

• Manufacturer Part Number: cop8tab9
• Description: 8-bit Cmos Flash Microcontroller With 2k Byte Or 4k Byte Memory
• Manufacturer: National Semiconductor Corporation

www.national.com
14.0 Interrupts .................................................................................................................................................. 31
15.0 WATCHDOG/Clock Monitor ..................................................................................................................... 37
16.0 MICROWIRE/PLUS .................................................................................................................................. 39
17.0 ACCESS.Bus Interface ............................................................................................................................ 42
18.0 Memory Map ............................................................................................................................................ 45
19.0 Instruction Set .......................................................................................................................................... 46
20.0 Development Support
13.2 IDLE MODE ........................................................................................................................................... 29
13.3 MULTI-INPUT WAKE-UP ...................................................................................................................... 30
14.1 INTRODUCTION ................................................................................................................................... 31
14.2 MASKABLE INTERRUPTS ................................................................................................................... 32
14.3 VIS INSTRUCTION ............................................................................................................................... 33
14.4 NON-MASKABLE INTERRUPT ............................................................................................................ 35
14.5 PORT C AND PORT L INTERRUPTS .................................................................................................. 37
14.6 INTERRUPT SUMMARY ....................................................................................................................... 37
15.1 CLOCK MONITOR ................................................................................................................................ 38
15.2 WATCHDOG/CLOCK MONITOR OPERATION .................................................................................... 38
15.3 WATCHDOG AND CLOCK MONITOR SUMMARY .............................................................................. 38
15.4 DETECTION OF ILLEGAL CONDITIONS ............................................................................................ 39
16.1 MICROWIRE/PLUS OPERATION ......................................................................................................... 39
16.2 MICROWIRE/PLUS MASTER MODE OPERATION ............................................................................. 40
16.3 MICROWIRE/PLUS SLAVE MODE OPERATION ................................................................................ 40
16.4 ALTERNATE SK PHASE OPERATION AND SK IDLE POLARITY ...................................................... 40
17.1 DATA TRANSACTIONS ........................................................................................................................ 42
17.2 BUS ARBITRATION .............................................................................................................................. 43
17.3 POWER SAVE MODES ........................................................................................................................ 43
17.4 SDA AND SCL DRIVER CONFIGURATION ......................................................................................... 43
17.5 ACB SERIAL DATA REGISTER (ACBSDA) .......................................................................................... 44
17.6 ACB STATUS REGISTER (ACBST) ..................................................................................................... 44
17.7 ACB CONTROL STATUS REGISTER (ACBCST) ................................................................................ 44
17.8 ACB CONTROL 1 REGISTER (ACBCTL1) .......................................................................................... 44
17.9 ACB CONTROL REGISTER 2 (ACBCTL2) .......................................................................................... 45
17.10 ACB OWN ADDRESS REGISTER (ACBADDR) ................................................................................ 45
19.1 INTRODUCTION ................................................................................................................................... 46
19.2 INSTRUCTION FEATURES .................................................................................................................. 46
19.3 ADDRESSING MODES ......................................................................................................................... 46
19.4 INSTRUCTION TYPES ......................................................................................................................... 48
19.5 REGISTER AND SYMBOL DEFINITION .............................................................................................. 49
19.6 INSTRUCTION SET SUMMARY .......................................................................................................... 50
19.7 INSTRUCTION EXECUTION TIME ...................................................................................................... 51
20.1 TOOLS ORDERING NUMBERS FOR THE COP8TA 2.5V FLASH FAMILY DEVICES ....................... 54
20.2 COP8 TOOLS OVERVIEW ................................................................................................................... 55
20.3 WHERE TO GET TOOLS ..................................................................................................................... 56
14.3.1 VIS Execution .................................................................................................................................. 34
14.4.1 Pending Flag .................................................................................................................................... 35
14.4.2 Software Trap .................................................................................................................................. 35
17.1.1 Start and Stop .................................................................................................................................. 43
17.1.2 Acknowledge Cycle .......................................................................................................................... 43
17.1.3 Addressing Transfer Formats .......................................................................................................... 43
19.3.1 Operand Addressing Modes ............................................................................................................ 47
19.3.2 Tranfer-of-Control Addressing Modes .............................................................................................. 48
19.4.1 Arithmetic Instructions ...................................................................................................................... 48
19.4.2 Transfer-of-Control Instructions ....................................................................................................... 48
19.4.3 Load and Exchange Instructions ..................................................................................................... 49
19.4.4 Logical Instructions .......................................................................................................................... 49
19.4.5 Accumulator Bit Manipulation Instructions ....................................................................................... 49
19.4.6 Stack Control Instructions ................................................................................................................ 49
19.4.7 Memory Bit Manipulation Instructions ............................................................................................. 49
19.4.8 Conditional Instructions ................................................................................................................... 49
19.4.9 No-Operation Instruction .................................................................................................................. 49
14.4.2.1 Programming Example: External Interrupt ................................................................................. 36
............................................................................................................................. 54
Table of Contents
4
(Continued)