upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 392
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upd78f0730
Manufacturer Part Number
upd78f0730
Description
8-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0730.pdf
(518 pages)
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13.1 Interrupt Function Types
(1) Maskable interrupts
(2) Software interrupt
13.2 Interrupt Sources and Configuration
addition, they also have up to four reset sources (see Table 13-1).
392
The following two types of interrupt functions are used.
The
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, PR1H).
Multiple interrupt servicing can be applied to low-priority interrupts when high-priority interrupts are generated. If
two or more interrupt requests, each having the same priority, are simultaneously generated, then they are
processed according to the priority of vectored interrupt servicing. For the priority order, see Table 13-1.
A standby release signal is generated and STOP and HALT modes are released.
External interrupt requests and 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.
External: 4, internal: 14
µ
PD78F0730 has a total of 19 interrupt sources including maskable interrupts and software interrupts. In
CHAPTER 13 INTERRUPT FUNCTIONS
Preliminary User’s Manual U19014EJ1V0UD
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