HD6433935 Hitachi, HD6433935 Datasheet - Page 78

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

Bits 4 to 0: IRQ
Bits 4 to 0 enable or disable IRQ
Bit n
IENn
0
1
Note: IRQ
3. 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
Bit 6: A/D converter interrupt enable (IENAD)
Bit 6 enables or disables A/D converter interrupt requests.
Bit 6
IENAD
0
1
Bit 5: Reserved bit
Bit 5 is a readable/writable reserved bit. It is initialized to 0 by a reset.
66
Bit
Initial value
Read/Write
the chip.
0
is an internal signal that performs interfacing to the FLEX™ decoder incorporated in
Description
Disables interrupt requests from pin IRQn
Enables interrupt requests from pin IRQn
Description
Disables direct transfer interrupt requests
Enables direct transfer interrupt requests
Description
Disables A/D converter interrupt requests
Enables A/D converter interrupt requests
4
to IRQ
IENDT
R/W
7
0
0
interrupt enable (IEN4 to IEN0)
IENAD
R/W
6
0
4
to IRQ
R/W
—
0
5
0
interrupt requests.
IENTG
R/W
4
0
IENTFH
R/W
3
0
IENTFL
R/W
2
0
IENTC
R/W
1
0
(initial value)
(initial value)
(initial value)
(n = 4 to 0)
IENEC
R/W
0
0