參數(shù)資料
型號: MC68HC05CT4FN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.048 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 52/142頁
文件大?。?/td> 624K
代理商: MC68HC05CT4FN
General Description
Mask Options
MC68HC05CT4 Rev. 2.0
General Release Specification
MOTOROLA
General Description
17
NON-DISCLOSURE
AGREEMENT
REQUIRED
1.3 Mask Options
The MC68HC05CT4 has eight mask options:
Six port C pullups
The IRQ sensitivity
COP enable/disable
These are nonprogrammable options in that they are selected at the time
of code submission when masks are made. These options are:
PC7PU — Port C7 Pullup
This bit enables or disables the pullup on port C bit 7.
1 = Enables the pullup
0 = Disables the pullup
NOTE:
Since port C bit 7 also is shared with the PWM output, PC7PU cannot be
selected if PWM output is needed.
PC6PU — Port C6 Pullup
This option enables or disables the pullup on port C bit 6.
1 = Enables pullup
0 = Disables pullup
PC5PU — Port C5 Pullup
This option enables or disables the pullup on port C bit 5.
1 = Enables pullup
0 = Disables pullup
PC4PU — Port C4 Pullup
This option enables or disables the pullup on port C bit 4.
1 = Enables pullup
0 = Disables pullup
PC23PU — Port C Bits 2 and 3 Pullups
When PC23PU = 1, the pullups on port C bits 2 and 3 are enabled
simultaneously.
When PC23PU = 0, the pullups on port C bits 2 and 3 are disabled
simultaneously.
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