參數資料
型號: MC68HC05BS8FB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數: 68/128頁
文件大?。?/td> 9691K
代理商: MC68HC05BS8FB
5-10
MC68HC05BS8
RESETS AND INTERRUPTS
5
RTIF - Real Time Interrupt Flag
1 (set)
A real time interrupt has occurred.
0 (clear) –
A real time interrupt has not occurred.
Refer to Section 6.2 for detailed description of the CTimer.
5.2.2.6
Keyboard Interrupt
Keyboard interrupt functions are available on PC0-PC5. Each port pin can be individually
congured for the keyboard interrupt function in the KBI register at $0010. Once congured, an
interrupt is recognized by a high to low transition (negative edge) sensed on the pin and the I-bit
in the CCR is also cleared.
The interrupt service routine is specied by the contents of the memory locations $3FF0 and
$3FF1.
TPG
42
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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