UPD753012GC NEC, UPD753012GC Datasheet - Page 19

• Manufacturer Part Number: UPD753012GC
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

Note Can be used in Mk II mode only.
Caution
Remark In addition to the above, a branch can be taken to the address indicated by changing only the low-order
000AH
000CH
07FFH
0FFFH
1FFFH
2FFFH
3FFFH
4FFFH
5FFFH
007FH
0000H
0002H
0004H
0006H
0008H
0020H
0080H
0800H
1000H
2000H
3000H
4000H
5000H
MBE
MBE
MBE
MBE
MBE
MBE
MBE
eight bits of PC by executing the BR PCDE, BR PCXA instruction.
The interrupt vector start address shown above consists of 14 bits. Set it in 16K space (0000H-
3FFFH).
7
RBE
RBE
RBE
RBE
RBE
RBE
RBE
6
GETI instruction reference table
Internal reset start address (high-order 6 bits)
Internal reset start address
INTBT/INT4 start address
INTBT/INT4 start address
INT0 start address
INT0 start address
INT1 start address
INT1 start address
INTCSI start address
INTCSI start address
INTT0 start address
INTT0 start address
INTT1,INTT2 start address (high-order 6 bits)
INTT1,INTT2 start address
5
Figure 5-1. Program Memory Map (3/3)
(Iow-order 8 bits)
(high-order 6 bits)
(Iow-order 8 bits)
(high-order 6 bits)
(Iow-order 8 bits)
(high-order 6 bits)
(Iow-order 8 bits)
(high-order 6 bits)
(Iow-order 8 bits)
(high-order 6 bits)
(Iow-order 8 bits)
(Iow-order 8 bits)
(c)
PD753017
0
CALLF !faddr
entry address
instruction
BRCB !caddr instruction
BRCB !caddr instruction
BRCB !caddr instruction
BRCB !caddr instruction
BRCB !caddr instruction
PD753012, 753016, 753017
branch address
branch address
branch address
branch address
branch address
branch address
BRCB !caddr
instruction
GETI instruction
branch address
branch address
CALL !addr
branch/call
instruction
instruction
BR !addr
address
relative branch address
(–15 to –1, +2 to +16)
BR $addr instruction
branch address
branch address
branch address
CALLA !addr1
BRA !addr1
BR BCDE
instruction
instruction
BR BCXA
Note
Note
19