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C161K
C161O
Data Sheet
25
V2.0, 2001-01
DP0H
b F102H
E 81H
P0H Direction Control Register
00H
DP0L
b F100H
E 80H
P0L Direction Control Register
00H
DP1H
b F106H
E 83H
P1H Direction Control Register
00H
DP1L
b F104H
E 82H
P1L Direction Control Register
00H
DP2
b FFC2H
E1H
Port 2 Direction Control Register
0000H
DP3
b FFC6H
E3H
Port 3 Direction Control Register
0000H
DP4
b FFCAH
E5H
Port 4 Direction Control Register
00H
DP6
b FFCEH
E7H
Port 6 Direction Control Register
00H
DPP0
FE00H
00H
CPU Data Page Pointer 0 Reg. (10 bits)
0000H
DPP1
FE02H
01H
CPU Data Page Pointer 1 Reg. (10 bits)
0001H
DPP2
FE04H
02H
CPU Data Page Pointer 2 Reg. (10 bits)
0002H
DPP3
FE06H
03H
CPU Data Page Pointer 3 Reg. (10 bits)
0003H
EXICON
b F1C0H E E0H
External Interrupt Control Register
0000H
IDCHIP
F07CH E 3EH
Identifier
05XXH
IDMANUF
F07EH E 3FH
Identifier
1820H
IDMEM
F07AH E 3DH
Identifier
0000H
IDMEM2
F076H
E 3BH
Identifier
0000H
IDPROG
F078H
E 3CH
Identifier
0000H
MDC
b FF0EH
87H
CPU Multiply Divide Control Register
0000H
MDH
FE0CH
06H
CPU Multiply Divide Reg. – High Word
0000H
MDL
FE0EH
07H
CPU Multiply Divide Reg. – Low Word
0000H
ODP2
b F1C2H E E1H
Port 2 Open Drain Control Register
0000H
ODP3
b F1C6H E E3H
Port 3 Open Drain Control Register
0000H
ODP6
b F1CEH E E7H
Port 6 Open Drain Control Register
00H
ONES
b FF1EH
8FH
Constant Value 1’s Register (read only)
FFFFH
P0H
b FF02H
81H
Port 0 High Reg. (Upper half of PORT0)
00H
P0L
b FF00H
80H
Port 0 Low Reg. (Lower half of PORT0)
00H
P1H
b FF06H
83H
Port 1 High Reg. (Upper half of PORT1)
00H
P1L
b FF04H
82H
Port 1 Low Reg.(Lower half of PORT1)
00H
P2
b FFC0H
E0H
Port 2 Register
0000H
Table 6
C161K/O Registers, Ordered by Name (cont’d)
Name
Physical
Address
8-Bit
Addr.
Description
Reset
Value