ST6255C View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST6255C' PDF : 84 Pages View PDF
ST6255C ST6265C ST6265B
INTERRUPTS (Cont’d)
Figure 21. Interrupt Block Diagram
FROM REGISTER PORT A,B,C
SINGLE BIT ENABLE
PBE
V DD
PORT A
PORT B
Bits
PBE
FF
CLK Q
0
CLR
I Start MUX
1
1
IOR REG. C8H, bit 6
INT #1 (FF6,7)
RESTART FROM
STOP/WAIT
PORT C
Bits
NMI
PBE
SPIDIV Register
SPINT bit
SPIE bit
SPIMOD Register
FF
CLK Q
CLR
IOR REG. C8H, bit 5
I 2 Start
OVF
OVIE
AR TIMER
CPF
CPIE
EF
EIE
VDD
TIMER1
TMZ
ETI
EOC
ADC EAI
INT #2 (FF4,5)
INT #3 (FF2,3)
INT #4 (FF0,1)
FF
CLK Q
CLR
NMI (FFC,D)
I0 Start
Bit GEN (IOR Register)
VA0426K
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