upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 716

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

17.4.3 Exception status flag (EP)
The EP flag is bit 6 of the PSW, and is a status flag used to indicate that exception processing is in
progress. It is set when an exception occurs.
716
PSW
After reset: 00000021H
31
EP
0
1
Chapter 17 Interrupt/Exception Processing Function
Figure 17-26: Exception Status Flag (EP) Format
Exception processing not in progress.
Exception processing in progress.
User’s Manual U16702EE3V2UD00
0
Exception processing status
8
NP EP
7
6
ID SAT CY OV
5
4
3
2
S
1
Z
0