UPD75P3036 NEC, UPD75P3036 Datasheet - Page 19

• Manufacturer Part Number: UPD75P3036
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

*
Note Can be used only in the Mk II mode.
Remark
Figure 6-2 shows the addressing ranges for the program memory, branch instruction and the subroutine call instruction.
000AH
000CH
07FFH
0FFFH
1FFFH
2FFFH
3FFFH
0000H
0002H
0004H
0006H
0008H
007FH
0080H
0800H
1000H
2000H
3000H
0020H
MBE
MBE
MBE
MBE
MBE
MBE
MBE
7
For instructions other than those noted above, the BR PCDE and BR PCXA instructions can be used to branch
to addresses with changes in the PC’s lower 8 bits only.
RBE
RBE
RBE
RBE
RBE
RBE
RBE
6
Reference table for GETI instruction
5
Internal reset start address (upper 6 bits)
Internal reset start address (lower 8 bits)
INTBT/INT4 start address (upper 6 bits)
INTBT/INT4 start address (lower 8 bits)
INT0 start address (upper 6 bits)
INT0 start address (lower 8 bits)
INT1 start address (upper 6 bits)
INT1 start address (lower 8 bits)
INTCSI start address (upper 6 bits)
INTCSI start address (lower 8 bits)
INTT0 start address (upper 6 bits)
INTT0 start address (lower 8 bits)
INTT1, INTT2 start address (upper 6 bits)
INTT1, INTT2 start address (lower 8 bits)
Figure 6-2. Program Memory Map
0
!faddr instruction
entry address
CALLF
!caddr instruction
!caddr instruction
!caddr instruction
!caddr instruction
branch address
branch address
branch address
branch address
BRCB
BRCB
BRCB
BRCB
relative branch address
CALL !addr instruction
BR $addr instruction
entry address
Branch/call
subroutine
(–15 to –1,
+2 to +16)
by GETI
address
PD75P3036
Branch address
for the following
instructions
• BR BCXA
• BR BCDE
• BR !addr
• BRA !addr1
• CALLA !addr1
Note
19
Note