W78C58 Datasheet, PDF (10/22 Pages) Winbond – 8-BIT MICROCONTROLLER

W78C58
Following tables show the interrupt informations and priority definitions.
Eight-source interrupt informations:
INTERRUPT
SOURCE
VECTOR
ADDRESS
External Interrupt 0
03H
Timer/Counter 0
0BH
External Interrupt 1
13H
Timer/Counter 1
1BH
Serial Port
23H
Timer/Counter 2
2BH
External Interrupt 2
33H
External Interrupt 3
3BH
POLLING
SEQUENCE WITHIN
PRIORITY LEVEL
0 (highest)
1
2
3
4
5
6
7 (lowest)
ENABLE
REQUIRED
SETTINGS
IE.0
IE.1
IE.2
IE.3
IE.4
IE.5
XICON.EX2
XICON.EX3
INTERRUPT
TYPE
EDGE/LEVEL
TCON.IT0
-
TCON.IT1
-
-
-
XICON.IT2
XICON.IT3
*Timer/Counter
***TL0, TH0, TL1, TH1, TL2, TH2, RCAP2L, RCAP2H
***TMOD - Timer 0, 1 Mode (89H)
GATE
C//T
M1
M0
GATE
C//T
M1
M0
TIMER0
TIMER1
GATE: Gating control. When set, Timer/counter x is enabled only while INTx pin is high and TRx
control pin is set. When cleared, Timer x is enabled whenever the TRx conrol bit is set.
C//T: Timer or Counter Selector. Cleared for timer operation. Set for counter operation.
M1 M0: Operating Mode
0 0: 13-bit Timer/Counter.
0 1: 16-bit Timer/Counter.
1 0: 8-bit auto-reload Timer/Counter. THx holds a value which is to be reloaded into TLx
each time it overflows.
1 1: Timer 0: TL0 is an 8-bit timer/counter controlled by the standard Timer 0 control bits.
TH0 is an 8-bit timer only controlled by Timer 1 control bits.
Timer 1: Timer/counter 1 stopped.
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