Program Memory Map (In Μpd750006) - NEC PD750004 User Manual

µPD750008 USER'S MANUAL
7
0000H MBE
0002H
MBE
0004H MBE
0006H MBE
0008H MBE
000AH MBE
000CH MBE
0020H
007FH
0080H
07FFH
0800H
0FFFH
1000H
17FFH
Note Can be used only in the MkII mode.
*
Remark In addition to the above, the BR PCDE and BR PCXA instructions can cause a branch to an
address with only the 8 low-order bits of the PC changed.
5 0
Figure 4-4. Program Memory Map (in µPD750006)
6
RBE
Internal reset start address
Internal reset start address
RBE INTBT/INT4 start address
INTBT/INT4 start address
RBE
INT0 start address
INT0 start address
RBE
INT1 start address
INT1 start address
RBE
INTCSI start address
INTCSI start address
RBE
INTT0 start address
INTT0 start address
RBE
INTT1 start address
INTT1 start address
GETI instruction reference table
0
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits) Entry
address
(high-order 6 bits)
specified
in CALLF
(low-order 8 bits)
!faddr
instruc-
(high-order 6 bits)
tion
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
Branch
address
specified
in BRCB
!caddr
instruc-
tion
Branch address
specified in
BR !addr,
BR BCDE,
BR BCXA,
Note
BRA !addr1
CALL !addr,
or CALLA !addr1
Branch/call
address by
GETI
Relative
branch
address
specified in
BR $addr
instruction
(–15 to –1,
+2 to +16)
Branch address
specified in BRCB
!caddr instruction
,
Note