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CHAPTER 12 INTERRUPT FUNCTION
Cautions 1. If a watchdog timer is used in watchdog timer mode 1, set TMPR4 flag to 1.2. Set 1 to the bits 1, 5 to 7 of PR0L and bits 0, 1, 5 to 7 of PR0H and PR1L.(3) Priority specify flag registers (PR0L, PR0H, and PR1L)The priority specify flag is used to set the corresponding maskable interrupt priority orders.PR0L, PR0H, and PR1L are set with a 1-bit or 8-bit memory manipulation instruction. If PR0L and PR0H areused as a 16-bit register PR0, use a 16-bit memory manipulation instruction for the setting.RESET input sets these registers to FFH.Figure 12-4. Priority Specify Flag Register Format
7
1
Symbol
PR0L
6
1
5
1
4
PPR3
3
PPR2
2
PPR1
1
1
0
TMPR4
Address
FFE8H FFH
After
Reset R/W
R/W
0
1
Priority Level Selection
High priority level
Low priority level
7
1
PR0H
6
1
5
1
4
STPR
3
SRPR
2
SERPR
1
1
0
1
7
1PR1L
6
1
5
1
4
TMPR6
3
TMPR5
2
ADPR
1
1
0
1
FFE9H FFH R/W
FFEAH FFH R/W
× ×
PR
×