upd75238 Renesas Electronics Corporation., upd75238 Datasheet - Page 28
upd75238
Manufacturer Part Number
upd75238
Description
4 Bit Single-chip Microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD75238.pdf
(190 pages)
- Current page: 28 of 190
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28
000AH
000CH
000EH
0000H
0002H
0004H
0006H
0008H
0020H
007FH
0080H
07FFH
0800H
0FFFH
1000H
1FFFH
2000H
2FFFH
3000H
3FFFH
4000H
4FFFH
5000H
5FFFH
6000H
6FFFH
7000H
7F7FH
Caution The start address of an interrupt vector shown above consists of 14 bits. So, the start address
Remark In addition to the above, the BR PCDE and BR PCXA instructions can cause a branch to an address
MBE RBE
MBE RBE
MBE RBE INT0 start address
MBE RBE INT1 start address
MBE RBE INTSO start address
MBE RBE INTT0 start address
MBE RBE INTTPG start address
MBE RBE INTKS start address
with only the low-order 8 bits of the PC changed.
must be set within a 16K-byte space (0000H to 3FFFH).
Internal reset start address
Internal reset start address
INTBT/INT4 start address
INTBT/INT4 start address
INT0 start address
INT1 start address
INTSO start address
INTTPG start address
INTKS start address
GETI instruction reference table
INTT0 start address
Fig. 3-2 Program Memory Map
(low-order 8 bits)
(low-order 8 bits)
(low-order 8 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(high-order 6 bits)
(high-order 6 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
(low-order 8 bits)
(high-order 6 bits)
CALLF !faddr
instruction
entry address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BRCB !caddr
instruction
branch address
BR !addr
instruction
branch address
CALL !addr
instruction
branch address
Branch/call
address specified
in GETI instruction
BRA !addr
instruction
branch address
CALLA !addr
instruction
branch address
BR $addr1 instruction
relative branch
address (–15 to –1,
+2 to +16)
PD75238
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