參數(shù)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(shù): 54/130頁
文件大?。?/td> 1200K
代理商: MC68HC05P18A
L
G
R
Operating Modes
Technical Data
MC68HC05P18A
54
Operating Modes
MOTOROLA
If the 16-bit timer interrupt is enabled, it causes the processor to exit wait
mode and resume normal operation. The 16-bit timer may be used to
generate a periodic exit from wait mode. Wait mode may also be exited
when an IRQ or RESET occurs.
NOTE:
If port A interrupts are selected as a mask option, the processor also will
exit wait mode.
6.5 COP Watchdog Timer Considerations
The COP watchdog timer is active in the user mode of operation when
selected by mask option. Executing the STOP instruction without
conversion to halt via mask option causes the COP to be disabled.
Therefore, it is recommended that the STOP instruction be modified to
produce halt mode via mask option if the COP watchdog timer is
enabled.
Furthermore, it is recommended that the COP watchdog timer be
disabled for applications that use the halt or wait mode for time periods
that exceed the COP timeout period.
COP watchdog timer interactions are summarized in
Table 6-1
.
Table 6-1. COP Watchdog Timer Recommendations
IF These Conditions Exist:
THEN the COP Watchdog
Timer Should:
STOP Instruction
WAIT Time
Halt mode selected
via mask option
WAIT time less than
COP timeout
Enable or disable COP
via mask option
Halt mode selected
via mask option
WAIT time MORE than
COP timeout
Disable COP
via mask option
Stop mode selected
via mask option
Any length WAIT time
Disable COP
via mask option
相關PDF資料
PDF描述
MC68HC05P4A 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)
MC68HC05PV8A Low Cost HCMOS Microcontroller(低成本、8位HCMOS微控制器)
MC68HC05SR3 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HC05V7 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HC05X16 8-Bit Microcontroller Units (MCU).(8位微控制器)
相關代理商/技術參數(shù)
參數(shù)描述
MC68HC05P18ACDW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05P18ACP 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05P18ADW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05P18AMDW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC05P18AMP 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit