Epson PX-8 - Page 290

REV.-A
Write
Read
041ER
04 ISR
7
7
0
6 6 0
5
IER5 (INTEXT enable)
®
I NT 5 (I NTEXT) External interrupt
4
IER4 (lNTOVF enable)
4
INT4 (OVF)
Overflow flag timer
3
IER3 (INTICF enable)
3
INT 3 (ICF) Input capture flag timer
2
IER2 (lNT 6303 enable)
CD
INT 2 (lNT 6303)
6303 interrupt
1
IER1 (INT 82C51 enable)
CD
INT 1 (lNT 82C51 )
82C51 interrupt
0
IERO (lNT 7508 enable)
@
INTO (lNT7508)
7508 interrupt
05
05
STR
7
6
5
4
3
RDYSIO
SIO ready
SIO
CD
RDY ready SIO
CD
BRDT
Barcode reader data
timer
0
BANKO BANKO
06 SIOR 06 SIOR
7
SI07
7
SIO 7
6
SI06
6
SIO 6
5
SIO 5 5 SIO 5
4
SI04 4 SI04
3
SI03 3 SI03
2
SI02
2
SI02
1
SIO 1 1 SIO 1
0
SIOO
0
SIOO
07 07
During
interrupt
1
1
1
1
Inte,,"pt vectoring 1
Vect 2
Vect 1
Vect
7-19