UPD75206CW NEC [NEC], UPD75206CW Datasheet - Page 26

• Manufacturer Part Number: UPD75206CW
• Description: 4-BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC [NEC]

26
9. INSTRUCTION SET
(1)
operand identifier of the instruction (refer to RA75X Assembler Package User's Manual - Language (EEU-730)).
If more than one description method is available, select one. Capital alphabetic letters, plus and minus signs
are keywords. Describe them as they are.
Operand identifier and description
Enter an operand in the operand column of each instruction using the description method relating to the
In the case of immediate data, describe appropriate numerical values or labels.
* For 8-bit data processing, only even addresses can be specified.
reg
reg 1
rp
rp1
rp2
rp’
rp’1
rpa
rpa1
n4
n8
mem
bit
fmem
pmem
addr
caddr
faddr
taddr
PORTn
IEXXX
RBn
MBn
Identifier
X, A, B, C, D, E, H, L
X, B, C, D, E, H, L
XA, BC, DE, HL
BC, DE, HL
BC, DE
XA, BC, DE, HL, XA’, BC’, DE’, HL’
BC, DE, HL, XA’, BC’, DE’, HL’
HL, HL+, HL-, DE, DL
DE, DL
4-bit immediate data or label
8-bit immediate data or label
8-bit immediate data or label*
2-bit immediate data or label
FB0H to FBFH and FF0H to FFFH immediate data or labels
FC0H to FFFH immediate data or labels
0000H to 177FH immediate data or labels
12-bit immediate data or label
11-bit immediate data or label
20H to 7FH immediate data (bit0 = 0) or label
PORT0 to PORT6
IEBT, IESIO, IET0, IETPG, IE0, IE1, IEKS, IEW, IE4
RB0 to RB3
MB0, MB1, MB15
Description Method
PD75206