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Learn some information about interrupt structure can provide great convenience in the process of Samsung Microprocessor S3F84H5 Code Duplication,  The S3F84H5 interrupt structure has two basic components: a vector, and sources. The number of interrupt sources can be serviced through a interrupt vector which is assigned in ROM address 0000H–0001H.

INTERRUPT PROCESSING CONTROL POINTS

Interrupt processing can be controlled in two ways: globally, or by specific interrupt level and source to facilitate the process of Unlock MC68HC08GP32 Chip Flash Heximal. The system- level control points in the interrupt structure are therefore:

• Global interrupt enable and disable (by EI and DI instructions)
• Interrupt source enable and disable settings in the corresponding peripheral control register(s)

Samsung Microprocessor S3F84H5 Code Duplication

ENABLE/DISABLE INTERRUPT INSTRUCTIONS (EI, DI)

The system mode register, SYM (DFH), is used to enable and disable interrupt processing.

SYM.3 is the enable and disable bit for global interrupt processing, which you can set by modifying SYM.3. An Enable Interrupt (EI) instruction must be included in the initialization routine that follows a reset operation in order to enable interrupt processing when Crack Philip MCU P89C51 Eprom Memory. Although you can manipulate SYM.3 directly to enable and disable interrupts during normal operation, we recommend that you use the EI and DI instructions for the purpose of MCU Reading.