Toshiba TLCS-90 Series Data Book page 244

Interrupt Controller
Instruction
of
sIn
~-1--~r-------::v:-:=::-:;-lnO;)H
NHI -..--+-----IJ.-_ _ _ _ _ _ _ ..;.v_=--=.1.;;.8H~
INTWD---4------~------~M~ic-r-o~DMA~--~V-=--2-0~H~
Enable Flag
Dn
3 Input OR
11 Input OR
DO
01
02
D3
D4
05
06
07
Read of
Interrupt
vector
Non
Maskable
Interrupt
Request
Maskable
Interrupt
Request
Interrupt Enable
Flag of CPU
Reset
CPU
Interrupt
Request
signal
Halt Release
Signal