CCU3000 Datasheet, PDF (44/77 Pages) Micronas – Central Control Unit

CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
021DH
Bit
7
6
5
4
3
2
1
0
Interrupt Controller Return Register
Reset
Read
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Write
x
x
x ^{The ‘write’ to this register is the}
x ^{handshake for the interrupt}
x ^{controller that the current}
x ^{interrupt request is served.}
x
x
021EH
Bit
7
6
5
4
3
2
1
0
Interrupt Priorities: Source 1 = Timer 2 and Source 0 = Timer 1
Reset
0
0
0
0
0
0
0
0
Read
x
x
x
x
x
x
x
x
Write
x x x x x x x x _{Interrupt priority}
value for source 1
0 0 0 0 1 1 1 1 = timer 2
values 0 to 7:
0 0 1 1 0 0 1 1 ^{0 = interrupt}
disabled
01
01
0
10 1
1 = lowest priority
7 = highest priority
off low
high
xxxx
x
x
xx
Interrupt priority
value for source 0
= timer 1
0 0 0 0 1 1 1 1 _{values 0 to 7:}
0 = interrupt
0011 0011
disabled
1 = lowest priority
0 1 0 1 0 1 0 1 ^{7 = highest priority}
021FH
Bit
7
6
5
4
3
2
1
0
Interrupt Priorities: Source 3 = IM Bus 1 Master and Source 2 = Timer 3
Reset
0
0
0
0
0
0
0
0
Read
x
x
x
x
x
x
x
x
Write
x x x x x x x x _{Interrupt priority}
value for source 3
0 0 0 0 1 1 1 1 = IM bus 1 Master
values 0 to 7:
0 0 1 1 0 0 1 1 ^{0 = interrupt}
disabled
01
01
0
10 1
1 = lowest priority
7 = highest priority
off low
high
xxxx
x
x
xx
Interrupt priority
value for source 2
= timer 3 (1 ms)
0 0 0 0 1 1 1 1 _{values 0 to 7:}
0 = interrupt
0011 0011
disabled
1 = lowest priority
0 1 0 1 0 1 0 1 ^{7 = highest priority}
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MICRONAS INTERMETALL