upd78f0114hgb-8es-a Renesas Electronics Corporation., upd78f0114hgb-8es-a Datasheet - Page 316
upd78f0114hgb-8es-a
Manufacturer Part Number
upd78f0114hgb-8es-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0114HGB-8ES-A.pdf
(505 pages)
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15.1 Interrupt Function Types
(1) Maskable interrupts
(2) Software interrupt
15.2 Interrupt Sources and Configuration
sources are also provided (see Table 15-1).
316
The following two types of interrupt functions are used.
A total of 23 interrupt sources exist for maskable and software interrupts. In addition, maximum total of 5 reset
These interrupts undergo mask control. Maskable interrupts can be divided into a high interrupt priority group
and a low interrupt priority group by setting the priority specification flag registers (PR0L, PR0H, PR1L).
Multiple interrupt servicing can be applied to low-priority interrupts when high-priority interrupts are generated. If
two or more interrupts with the same priority are generated simultaneously, each interrupt is serviced according to
its predetermined priority (see Table 15-1).
A standby release signal is generated and STOP and HALT modes are released.
Seven external interrupt requests and 15 internal interrupt requests are provided as maskable interrupts.
This is a vectored interrupt generated by executing the BRK instruction. It is acknowledged even when interrupts
are disabled. The software interrupt does not undergo interrupt priority control.
CHAPTER 15 INTERRUPT FUNCTIONS
User’s Manual U16961EJ4V0UD
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