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UPD753012 Datasheet(PDF) 19 Page - NEC

Part # UPD753012
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  80 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD753012 Datasheet(HTML) 19 Page - NEC

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µPD753012, 753016, 753017
MBE
RBE
Internal reset start address (high-order 6 bits)
MBE
RBE
INTBT/INT4 start address
(high-order 6 bits)
MBE
RBE
INT0 start address
(high-order 6 bits)
MBE
RBE
INT1 start address
(high-order 6 bits)
MBE
RBE
INTCSI start address
(high-order 6 bits)
MBE
RBE
INTT0 start address
(high-order 6 bits)
MBE
RBE
INTT1,INTT2 start address (high-order 6 bits)
(Iow-order 8 bits)
(Iow-order 8 bits)
(Iow-order 8 bits)
(Iow-order 8 bits)
(Iow-order 8 bits)
(Iow-order 8 bits)
GETI instruction reference table
CALLF !faddr
instruction
entry address
BRCB !caddr
instruction
branch address
BRCB !caddr instruction
branch address
76
5
0
BRCB !caddr instruction
branch address
BRCB !caddr instruction
branch address
BRCB !caddr instruction
branch address
BRCB !caddr instruction
branch address
BR $addr instruction
relative branch address
(–15 to –1, +2 to +16)
BR !addr
instruction
branch address
CALL !addr
instruction
branch address
GETI instruction
branch/call
address
BR BCDE
BR BCXA
branch address
BRA !addr1Note
instruction
branch address
CALLA !addr1Note
instruction
branch address
(Iow-order 8 bits)
0000H
0002H
0004H
0006H
0008H
000AH
000CH
0020H
007FH
0080H
07FFH
0800H
0FFFH
1000H
1FFFH
2000H
2FFFH
3000H
3FFFH
4000H
4FFFH
5000H
5FFFH
Internal reset start address
INTBT/INT4 start address
INT0 start address
INT1 start address
INTCSI start address
INTT0 start address
INTT1,INTT2 start address
Figure 5-1. Program Memory Map (3/3)
(c)
µPD753017
Note Can be used in Mk II mode only.
Caution
The interrupt vector start address shown above consists of 14 bits. Set it in 16K space (0000H-
3FFFH).
Remark In addition to the above, a branch can be taken to the address indicated by changing only the low-order
eight bits of PC by executing the BR PCDE, BR PCXA instruction.



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