EZ80F91MCU ZILOG [Zilog, Inc.], EZ80F91MCU Datasheet - Page 90

• Manufacturer Part Number: EZ80F91MCU
• Description: eZ80Acclaim-TM Flash Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

PS019209-0504
If more than one maskable interrupt is prioritized to a higher level (Level 1), the
higher-priority interrupts follow the priority order described in
ple, Table 15 shows the maskable interrupts
and
priority for the top ten maskable interrupts.
Table 15. Example: Maskable Interrupt Priority
Table 16. Example: Priority Levels for Maskable Interrupts
Priority
Register
INT_P0
INT_P1
INT_P2
INT_P3
INT_P4
INT_P5
Priority
0
1
2
3
4
5
6
7
8
9
06Ch
(RTC) as elevated to Priority Level 1. Table 16 shows the new interrupt
Vector
044h
06Ch
084h
040h
048h
04Ch
050h
054h
058h
05Ch
Setting
02h
08h
02h
00h
00h
00h
Description
Increase 044h (EMAC Tx) to Priority Level 1
Increase 06Ch (RTC) to Priority Level 1
Increase 084h (Port A1) to Priority Level 1
Default priority
Default priority
Default priority
Source
EMAC Tx
RTC
Port A 1
EMAC Rx
EMAC SYS
PLL
Flash
Timer 0
Timer 1
Timer 2
P R E L I M I N A R Y
044h
(EMAC Tx),
Product Specification
Table
084h
Interrupt Controller
eZ80F91 MCU
11. For exam-
(Port A 1),
71