hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 124

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 3 Exception Handling
Bit 2—IRQAEC Interrupt Enable (IENEC2)
Bit 2 enables or disables IRQAEC interrupt requests.
Bit 2
IENEC2
0
1
Bits 1 and 0—IRQ
Bits 1 and 0 enable or disable IRQ
Bit n
IENn
0
1
Interrupt Enable Register 2 (IENR2)
IENR2 is an 8-bit read/write register that enables or disables interrupt requests.
Bit 7—Direct Transfer Interrupt Enable (IENDT)
Bit 7 enables or disables direct transfer interrupt requests.
Bit 7
IENDT
0
1
Rev. 7.00 Mar 10, 2005 page 82 of 652
REJ09B0042-0700
Bit
Initial value
Read/Write
Description
Disables IRQAEC interrupt requests
Enables IRQAEC interrupt requests
Description
Disables interrupt requests from pin
Enables interrupt requests from pin
Description
Disables direct transfer interrupt requests
Enables direct transfer interrupt requests
IENDT
R/W
1
7
0
and IRQ
IENAD
R/W
0
6
0
Interrupt Enable (IEN1 and IEN0)
1
and IRQ
—
—
W
5
0
interrupt requests.
IENTG
I R Q n
R/W
I R Q n
4
0
IENTFH
R/W
3
0
IENTFL
R/W
2
0
IENTC
R/W
1
0
(initial value)
(initial value)
(initial value)
(n = 1 or 0)
IENEC
R/W
0
0