HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 315

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

8.3.5
IRR1 is an 8-bit register that indicates whether interrupt requests from the DMAC are generated.
This register is initialized to H'00 by a power-on reset or manual reset, but is not initialized in
standby mode.
Bit
7 to 4
3
2
1
0
Interrupt Request Register 1 (IRR1)
Bit Name

DEI3R
DEI2R
DEI1R
DEI0R
Initial Value
All 0
0
0
0
0
R/W
R
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
DEI3 Interrupt Request
Indicates whether the DEI3 (DMAC) interrupt is
generated.
0: DEI3 interrupt request is not generated
1: DEI3 interrupt request is generated
DEI2 Interrupt Request
Indicates whether the DEI2 (DMAC) interrupt
request is generated.
0: DEI2 interrupt request is not generated
1: DEI2 interrupt request is generated
DEI1 Interrupt Request
Indicates whether the DEI1 (DMAC) interrupt
request is generated.
0: DEI1 interrupt request is not generated
1: DEI1 interrupt request is generated
DEI0 Interrupt Request
Indicates whether the DEI0 (DMAC) interrupt
request is generated.
0: DEI0 interrupt request is not generated
1: DEI0 interrupt request is generated
Rev. 3.00 Jan. 18, 2008 Page 253 of 1458
Section 8
Interrupt Controller (INTC)
REJ09B0033-0300