HD64336901G Renesas Technology, HD64336901G Datasheet - Page 76

• Manufacturer Part Number: HD64336901G
• Description: (HD64xxx Series) 16-BIT MICROCONTROLLER
• Manufacturer: Renesas Technology

3.2.2
IEGR2 selects the direction of an edge that generates interrupt requests of the ADTRG and WKP5
pins.
3.2.3
IENR1 enables direct transition interrupts and external pin interrupts.
Rev. 1.00, 11/03, page 48 of 376
Bit
7, 6
5
4 to 0
Bit
7
6
5
4
3
2, 1
0
Bit Name
WPEG5
Bit Name
IENDT
IENWP
IEN3
IEN0
Interrupt Edge Select Register 2 (IEGR2)
Interrupt Enable Register 1 (IENR1)
Initial
Value
All 1
0
All 0
Initial
Value
0
0
0
1
0
All 0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 1.
WKP5 Edge Select
0: Falling edge of WKP5 (ADTRG) pin input is detected
1: Rising edge of WKP5 (ADTRG) pin input is detected
Reserved
These bits are always read as 0.
Description
Direct Transfer Interrupt Enable
When this bit is set to 1, direct transition interrupt
requests are enabled.
Reserved
This bit is always read as 0.
Wakeup Interrupt Enable
This bit is an enable bit of the WKP5 pin. When this bit is
set to 1, interrupt requests are enabled.
Reserved
This bit is always read as 1.
IRQ3 Interrupt Enable
When this bit is set to 1, interrupt requests of the IRQ3
pin are enabled.
Reserved
These bits are always read as 0.
IRQ0 Interrupt Enable
When this bit is set to 1, interrupt requests of the IRQ0
pin are enabled.