CCU3000 Datasheet, PDF (11/77 Pages) Micronas – Central Control Unit

CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
Priority Latches
Int.1
clr 1
Int.2
clr 2
Int.3
clr 3
CLR
A>B
clk
Comp.
A
B
Int.4
clr 4
Int.5
clr 5
Int.6
clr 6
Int.7
clr 7
CLR
Prior.
Dec.
Prior. of
int.
Source of
int.
push
pop
Stack
CLR
clr_1
clr_8
1 of
8
Decod.
Clear Request
Vector
Table
Int.8
clr 8
CLR
Reset
D0...D7
Fig. 2–11: Interrupt controller
‘0‘
‘1‘
to
IR Circuit
NMI
IR
CPU dis
RETURN
A=B
Comp.
B
en
FF+FA
FFFB
A0...A15
MICRONAS INTERMETALL
11