UT80C196 datasheet(4/42 Pages) AEROFLEX

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Table 6. Interrupt Vector Sources, Locations, and Priorities

Number

Interrupt Vector

Source(s)

Interrupt

Vector

Location

PTS

Vector

Location

Priority

(0 is the

Lowest

Priority)

Special

Unimplemented

Opcode

Unimplemented Opcode

2012h

N/A

Special

Software Trap

2010h

N/A

INT 15

NMI2

NMI

203Eh

N/A

INT 14

HSI FIFO Full

203Ch

205Ch

INT 13

EXTINT 12

Port 2.2

203Ah

205Ah

INT 12

Timer 2 Overflow

2038h

2058h

INT 11

Timer 2 Capture

2036h

2056h

INT 10

HSI FIFO 4

HSI FIFO

Fourth Entry

2034h

2054h

INT 9

Receive

RI Flag

2032h

2052h

INT 8

Transmit

TI Flag3

2030h

2050h

INT 7

EXTINT2

Port 2.2 or Port 0.7

200Eh

204Eh

INT 6

Serial Port

RI Flag and

TI Flag4

200Ch

204Ch

INT 5

Software Timer

Software Timer 0-3

Timer 2 Reset

200Ah

204Ah

INT 4

HSI.02

HSI.0 Pin

2008h

2048h

INT 3

High Speed

Outputs

Events on HSO.0 thru

HSO.5 Lines

2006h

2046h

INT 2

HSI Data Available

HSI FIFO Full or

HSI Holding Reg.

Loaded

2004h

2044h

INT 1

EDAC Bit Error

Single Bit Error

Single Bit Error OVF

Double Bit Error

2002h

2042h

INT 0

Timer Overflow

Timer 1 or Timer 2

2000h

2040h

All of the previous maskable interrupts can be assigned to the PTS.

Any PTS interrupt has priority over all other maskable interrupts.

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