upd78f9211grt2-jjg-a ETC-unknow, upd78f9211grt2-jjg-a Datasheet - Page 168

• Manufacturer Part Number: upd78f9211grt2-jjg-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: ETC-unknow

10.3 Interrupt Function Control Registers
168
(A) Internal maskable interrupt
(B) External maskable interrupt
IF:
IE:
MK: Interrupt mask flag
The interrupt functions are controlled by the following four types of registers.
• Interrupt request flag register 0 (IF0)
• Interrupt mask flag register 0 (MK0)
• External interrupt mode register 0 (INTM0)
• Program status word (PSW)
Table 10-2 lists interrupt requests, the corresponding interrupt request flags, and interrupt mask flags.
Interrupt
Interrupt request flag
Interrupt enable flag
request
Interrupt request
External interrupt mode
register (INTM0)
Edge
detector
Figure 10-1. Basic Configuration of Interrupt Function
IF
MK
CHAPTER 10 INTERRUPT FUNCTIONS
IF
User’s Manual U16994EJ3V0UD
MK
Internal bus
Internal bus
IE
IE
Vector table
address generator
Vector table
address generator
Standby release signal
Standby
release signal