UPD62 Datasheet, PDF (47/64 Pages) NEC – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

µPD62
10. ASSEMBLER RESERVED WORDS
10.1 Mask Option Directives
When creating the µPD62 program, it is necessary to use a mask option directive in the assembler’s source
program to specify a mask option.
10.1.1 OPTION and ENDOP directives
From the OPTION directive on to the ENDOP directive are called the mask option definition block. The format
of the mask option definition block is as follows:
Format
Symbol field
[Label:]
Mnemonic field
OPTION
:
:
ENDOP
Operand field
Comment field
[; Comment]
10.1.2 Mask option definition directive
The directives that can be used in the mask option definition block are listed in Table 10-1.
An example of the mask option definition is shown below.
Example
Symbol field
Mnemonic field
OPTION
USEPOC
ENDOP
Operand field
Comment field
; POC circuit incorporated
Table 10-1. List of Mask Option Definition Directives
Name
POC
Mask Option Definition Directive
USEPOC
(POC circuit incorporated)
NOUSEPOC
(Without POC circuit)
PRO File
Address value
Data value
2044H
01
00
Data Sheet U14208EJ1V0DS00
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