參數(shù)資料
型號: MC68HC05JB3JDW
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 114/148頁
文件大?。?/td> 1600K
代理商: MC68HC05JB3JDW
GENERAL RELEASE SPECIFICATION
November 5, 1998
MOTOROLA
16-BIT TIMER
MC68HC05JB3
9-12
REV 1
9.7
TIMER OPERATION DURING WAIT MODE
During WAIT mode the 16-bit timer continues to operate normally and may gener-
ate an interrupt to trigger the MCU out of the WAIT mode.
9.8
TIMER OPERATION DURING STOP MODE
When the MCU enters the STOP mode the free-running counter stops counting
(the internal processor clock is stopped). It remains at that particular count value
until the STOP mode is exited by applying a low signal to the IRQ pin, at which
time the counter resumes from its stopped value as if nothing had happened. If
STOP mode is exited via an external reset (logic low applied to the RESET pin)
the counter is forced to $FFFC.
If a valid input capture edge occurs at the PB0/TCAP pin during the STOP mode
the input capture detect circuitry will be armed. This action does not set any ags
or “wake up” the MCU, but when the MCU does “wake up” there will be an active
input capture ag (and data) from the rst valid edge. If the STOP mode is exited
by an external reset, no input capture ag or data will be present even if a valid
input capture edge was detected during the STOP mode.
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