Fujitsu FR81S User Manual
CHAPTER 16: INTERRUPT REQUEST BATCH READ
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : INTERRUPT REQUEST BATCH READ
FUJITSU SEMICONDUCTOR CONFIDENTIAL
23
4.16. Interrupt Request Batch Read Register 8 lower-order :
IRPR8L (Interrupt Request Peripheral Read register
8L)
8L)
The bit configuration of the interrupt request batch read register 8 lower-order is explained.
This register indicates the peripheral that has issued the interrupt request. (Interrupt vector number #51)
IRPR8L : Address 0429
H
(Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved FRTIR3 FRTIR5
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R0,WX
R,WX
R,WX
R0,WX
R0,WX
R0,WX
R0,WX
R0,WX
[bit6] FRTIR3 (FRT Interrupt Request 3) : Free-run Timer ch.3 Interrupt Request
[bit5] FRTIR5 (FRT Interrupt Request 5) : Free-run Timer ch.5 Interrupt Request
Read value of each bit
Meaning
0
No interrupt request has been issued.
1
An interrupt request has been issued.
MB91520 Series
MN705-00010-1v0-E
526