参数资料
型号: MC68HC805K3DW
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 2 MHz, MICROCONTROLLER, PDSO16
封装: SOIC-16
文件页数: 62/119页
文件大小: 496K
代理商: MC68HC805K3DW
General Release Specification
Hardware Interrupts
MC68HC805K3 — Rev. 1.0
MOTOROLA
Interrupts
47
NOTE:
If port A interrupts are enabled, the state of PA0 through PA3 pins may
cause an IRQ interrupt regardless of whether these pins are configured
4.6.4 Timer Interrupt (TIMER)
The timer interrupt is generated by the 8-bit timer when either a timer
overflow or a real-time interrupt has occurred, as described in
Section 8. 8-Bit Timer. The interrupt flags and enable bits for the timer
interrupts are in the timer status/control register (TSCR) located at
$0008. The I bit in the CCR must be clear for the timer interrupt to be
enabled. Either of these two interrupts vector to the same interrupt
service routine located at the address specified by the contents of
memory locations $03F8 and $03F9.
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