Fujitsu MB86R02 Jade-D Hardware Manual page 185

MB86R02 'Jade-D' Hardware Manual V1.64
Bit field
Explanation
Number Name
31-4 - It is an unused bit.
The write access is ignored. The read value of these bits is undefined.
3-0 ILM3-0 These bits are used to set the IRQ interrupt level. Level value range is from 0000 or less to
B
1111 or more. (The IRQ interrupt doesn't occur. )
B
These bits are initialized by reset by 1111 .
B
9-17