US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 628

• Manufacturer Part Number: US38024-BAG1
• Description: DEV EVALUATION KIT H8/38024
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of US38024-BAG1

• Contents: 2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
• For Use With/related Products: H8/38024
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Appendix B Internal I/O Registers
IRR1—Interrupt Request Register 1
Note: * Bits 7 and 4 to 0 can only be written with 0, for flag clearing.
Rev. 8.00 Mar. 09, 2010 Page 606 of 658
REJ09B0042-0800
Bit
Initial value
Read/Write
R/(W) *
IRRTA
Timer A Interrupt Request Flag
7
0
0 Clearing condition:
1 Setting condition:
When the timer A counter value overflows (from H'FF to H'00)
When IRRTA = 1, it is cleared by writing 0
⎯
⎯
W
IRQ4 and IRQ3 Interrupt Request Flags
6
0 Clearing condition:
1 Setting condition:
When IRRIm = 1, it is cleared by writting 0
When pin IRQm is designated for interrupt
input and the designated signal edge is input
⎯
⎯
IRQAEC Interrupt Request Flag
5
1
0 Clearing condition:
1 Setting condition:
When pin IRQAEC is designated for interrupt
input and the designated signal edge is input
When IRREC2 = 1, it is cleared by writing 0
R/(W) *
IRRI4
IRQ1 and IRQ0 Interrupt Request Flags
0 Clearing condition:
1 Setting condition:
4
0
When IRRIn = 1, it is cleared by writing 0
When pin IRQn is designated for interrupt
input and the designated signal edge is input
R/(W) *
IRRI3
3
0
H'F6
IRREC2
R/(W) *
(m = 4 or 3)
2
0
R/(W) *
IRRI1
1
0
System Control
R/(W) *
IRRI0
(n = 1 or 0)
0
0