參數(shù)資料
型號(hào): UPD17242UC-XXX-5A4
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.5 MHz, MICROCONTROLLER, PDSO30
封裝: 0.300 INCH, PLASTIC, SSOP-30
文件頁數(shù): 77/102頁
文件大小: 953K
代理商: UPD17242UC-XXX-5A4
76
Data Sheet U15002EJ1V1DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
12. ASSEMBLER RESERVED WORDS
12.1 Mask Option Directives
When developing the
PD17246 program, mask options must be specified by using mask option directives in the
program.
To select the low-voltage detector and capacitor for oscillation of the
PD17246, a mask option must be specified.
12.1.1
OPTION and ENDOP directives
The portion of the program enclosed by the OPTION and ENDOP directives is called a mask option definition block.
This block is described in the following format.
Description format:
Symbol
Mnemonic
Operand
Comment
[Label: ]
OPTION
[;Comment]
:
ENDOP
12.1.2
Mask option definition directives
Table 12-1 lists the directives that can be used in the mask option definition block.
Here is an example of mask option definition.
Description example:
Symbol
Mnemonic
Operand
Comment
OPTION
OPTPOC
USEPOC
; Internal low-voltage detector
OPTCAP
USECAP
; Internal capacitor for oscillation
ENDOP
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