參數(shù)資料
型號: MC68HC05P4A
廠商: Motorola, Inc.
英文描述: 28-pin MCU (microcontroller unit) based on the MC68HC05P4(28引腳、基于MC68HC05P4升級的8位微控制器單元)
中文描述: 28引腳單片機(微控制器)的基礎(chǔ)上MC68HC05P4(28引腳,基于MC68HC05P4升級的8位微控制器單元)
文件頁數(shù): 17/102頁
文件大小: 930K
代理商: MC68HC05P4A
General Description
Mask Options
MC68HC05P4A — Rev. 6.0
AdvanceInformation
MOTOROLA
General Description
17
1.4 Mask Options
The MC68HC05P4A has 13 mask options:
CLOCK, RC or crystal
IRQ, edge-sensitive only or edge- and level-sensitive
SIOP, most significant bit (MSB) or least significant bit (LSB) first
COP watchdog timer, enable/disable
Keyscan pullups and interrupts on port A, enable/disable by pin
STOP instruction
All mask options and the user ROM are programmed on the 01 layer in
fabrication.
NOTE:
Negative true signals like RESET and IRQ will be denoted with an
overline.
1.5 MCU Structure
Figure 1-1
shows the structure of the MC68HC05P4A.
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