Fujitsu FR81S User Manual
CHAPTER 16: INTERRUPT REQUEST BATCH READ
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : INTERRUPT REQUEST BATCH READ
FUJITSU SEMICONDUCTOR CONFIDENTIAL
20
4.13. Interrupt Request Batch Read Register 7 upper-order :
IRPR7H (Interrupt Request Peripheral Read register
7H)
7H)
The bit configuration of the interrupt request batch read register 7 upper-order is explained.
This register indicates the peripheral that has issued the interrupt request. (Interrupt vector number #47)
IRPR7H : Address 0426
H
(Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved SUBIR Reserved
RXIR9
ISIR9
Reserved
Initial value
0
0
0
0
0
0
0
0
Attribute R0,WX
R,WX
R0,WX
R,WX
R,WX
R0,WX
R0,WX
R0,WX
[bit6] SUBIR (SUB Interrupt Request) : Clock Calibration (Sub) Interrupt Request
[bit4] RXIR9 (multifunction serial RX Interrupt Request 9) Multi-function Serial Interface ch.9
Reception Completion Interrupt Request
[bit3] ISIR9 (multifunction serial Inform Status Interrupt Request 9) Multi-function Serial Interface ch.9
[bit3] ISIR9 (multifunction serial Inform Status Interrupt Request 9) Multi-function Serial Interface ch.9
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
523