upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 63

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

(2) Program status word (PSW)
After reset: 00000020H
PSW
31
RFU
NP
EP
ID
0
1
0
1
0
1
Reserved field (fixed to 0).
NMI servicing not under execution.
NMI servicing under execution.
Exception processing not under execution.
Exception processing under execution.
Maskable interrupt acknowledgement enabled.
Maskable interrupt acknowledgement disabled.
This flag is set (1) when an NMI is acknowledged, and disables multiple
interrupts. For details, refer to 5.2.3 NP flag.
This flag is set (1) when an exception is generated. Interrupt requests can be
acknowledged when this bit is set. For details, refer to 5.4.3 EP flag.
This flag is set (1) when a maskable interrupt request is acknowledged. For
details, refer to 5.3.6 ID flag.
RFU
Non-maskable interrupt (NMI) servicing status
Maskable interrupt servicing specification
CHAPTER 3 CPU FUNCTIONS
User’s Manual U12768EJ4V1UD
Exception processing status
8
NP
7
EP
6
ID SAT CY
5
4
3
OV
2
S
1
Z
0
(1/2)
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