Fujitsu FR81S User Manual
CHAPTER 16: INTERRUPT REQUEST BATCH READ
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : INTERRUPT REQUEST BATCH READ
FUJITSU SEMICONDUCTOR CONFIDENTIAL
18
4.11. Interrupt Request Batch Read Register 6 upper-order :
IRPR6H (Interrupt Request Peripheral Read register
6H)
6H)
The bit configuration of the interrupt request batch read register 6 upper-order is explained.
This register indicates the peripheral that has issued the interrupt request. (Interrupt vector number #45)
IRPR6H : Address 0424
H
(Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
RXIR8
ISIR8
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R0,WX R0,WX
R,WX
R,WX
R0,WX
R0,WX
R0,WX
R0,WX
[bit5] RXIR8 (multifunction serial RX Interrupt Request 8) : Multi-function Serial interface ch.8
Reception Completion Interrupt Request
[bit4] ISIR8 (multifunction serial Inform Status Interrupt Request 8) : Multi-function Serial interface
[bit4] ISIR8 (multifunction serial Inform Status Interrupt Request 8) : Multi-function Serial interface
ch.8 Status 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
521