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參數資料
型號: MC68HC05P18A
廠商: Motorola, Inc.
英文描述: Low Cost HCMOS Microcontroller(低成本、8位HCMOS微控制器)
中文描述: 低成本HCMOS微控制器(低成本,8位HCMOS微控制器)
文件頁數: 50/130頁
文件大?。?/td> 1200K
代理商: MC68HC05P18A
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Operating Modes
Technical Data
MC68HC05P18A
50
Operating Modes
MOTOROLA
6.3 User Mode
The user mode allows the MCU to function as a self-contained
microcontroller, with maximum use of the pins for on-chip peripheral
functions. All address and data activity occurs within the MCU and is not
available externally. User mode is entered on the rising edge of RESET
if the IRQ pin is within the normal operating voltage range.
In the user mode, there is:
An 8-bit input/output (I/O) port
A second 8-bit I/O port shared with the analog-to-digital (A/D)
subsystem
One 3-bit I/O port shared with the serial input/output port (SIOP)
One 2-bit I/O port shared with the 16-bit timer subsystem
6.4 Low-Power Modes
TheMC68HC05P18Aiscapableofrunninginalow-powermodeineach
of its configurations. The WAIT and STOP instructions provide three
modes that reduce the power required for the MCU by stopping various
internal clocks and/or the on-chip oscillator. The STOP and WAIT
instructions are not normally used if the computer operating properly
(COP) watchdog timer is enabled. The stop conversion mask option is
used to modify the behavior of the STOP instruction from stop mode to
halt mode. The flow of the stop, halt, and wait modes is shown in
Figure 6-1
.
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相關代理商/技術參數
參數描述
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MC68HC05P18AMDW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
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