参数资料
型号: MC68HC705G1FU
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP64
封装: QFP-64
文件页数: 64/124页
文件大小: 732K
代理商: MC68HC705G1FU
MOTOROLA
5-10
MC68HC05G1
INTERRUPTS
5
register is cleared and the enable bit in the serial peripheral control register ($2A) is enabled.
When the interrupt is recognized, the current state of the machine is pushed onto the stack and
the interrupt mask bit in the Condition Code register is set. This masks any further interrupt until
the present one is serviced. The SPI interrupt causes the program counter to vector to memory
location $3FF4 and $3FF5 which contains the starting address of the interrupt’s service routine.
Software in the serial peripheral interrupt service routine must determine the priority and the
cause of the SPI interrupt by examining the interrupt ags located in the SPI status register. The
general sequence of clearing an interrupt is a software sequence of accessing the status register
while the ag is set, followed by a read or write of an associated register.
Refer to section 8 - Serial Peripheral Interface for detailed description.
TPG
42
相关PDF资料
PDF描述
MC68HC05G1B 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP56
MC68HC705JB2DW 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDSO20
MC68HC705JB2P 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP20
MC68HC705JB4P 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP28
MC68HC705K1CDW 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDSO16
相关代理商/技术参数
参数描述
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