upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 722

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

17.7 Periods in Which Interrupts Are Not Acknowledged by CPU
An interrupt is acknowledged by the CPU while an instruction is being executed. However, no interrupt
will be acknowledged between an interrupt request non-sample instruction and the next instruction
(interrupt is held pending).
The interrupt request non-sample instructions are as follows.
Remark:
722
• EI instruction
• DI instruction
• LDSR reg2, 0x5 instruction for PSW
• Store instruction and SET1, NOT1, CLR1 instruction for special area
(xFFF100H-xFFF1FFH, xFFF900H-xFFF9FFH)
xx: Identification name of each peripheral unit (Refer to Table 17-2, “Interrupt Control
Register (xxICn),” on page 702)
n: Peripheral unit number (Refer to Table 17-2, “Interrupt Control Register (xxICn),” on
page 700).
Chapter 17 Interrupt/Exception Processing Function
User’s Manual U16702EE3V2UD00