NEC V850/SB1TM User Manual page 140

Figure 5-11. Interrupt Control Register (xxICn) Format
After reset: 47H R/W
Symbol <7> <6>
xxICn xxIFn xxMKn
xxIFn
0 Interrupt request not generated
1 Interrupt request generated
xxMKn
0 Enables interrupt servicing
1 Disables interrupt servicing (pending)
xxPRn2 xxPRn1
0
0
0
0
1
1
1
1
Note Automatically reset by hardware when interrupt request is acknowledged.
Remark xx: Identification name of each peripheral unit (WDT, P, WTNI, TM, CS, SER, ST, AD, DMA,
WTN, IIC, IEB, KR)
n: Peripheral unit number (see Table 5-2)
140
CHAPTER 5 INTERRUPT/EXCEPTION PROCESSING FUNCTION
Address: FFFFF100H to FFFFF156H
5 4
0 0
Interrupt request flag
Interrupt mask flag
xxPRn0
0 0 Specifies level 0 (highest)
0 1 Specifies level 1
1 0 Specifies level 2
1 1 Specifies level 3
0 0 Specifies level 4
0 1 Specifies level 5
1 0 Specifies level 6
1 1 Specifies level 7 (lowest)
User's Manual U13850EJ4V0UM
3 2 1
0 xxPRn2 xxPRn1
Note
Interrupt priority specification bit
0
xxPRn0