ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 71
ez80f91
Manufacturer Part Number
ez80f91
Description
Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
Manufacturer
ZiLOG Semiconductor
Datasheet
1.EZ80F91.pdf
(387 pages)
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PS027001-0707
example,
06Ch
the top ten maskable interrupts.
Table 16. Example: Maskable Interrupt Priority
Table 17. 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
(RTC) as elevated to priority Level 1.
Table 16
044h
06Ch
084h
040h
048h
04Ch
050h
054h
058h
05Ch
Vector
Setting
02h
08h
02h
00h
00h
00h
shows the maskable interrupts
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
Table 17
044h
shows the new interrupt priority for
(EMAC Tx),
Product Specification
084h
eZ80F91 ASSP
Interrupt Controller
(Port A 1), and
63
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