參數(shù)資料
型號(hào)： μPD750068
廠(chǎng)商： NEC Corp.
英文描述： 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述： 4位單片微控制器（4位單片微控制器）
文件頁(yè)數(shù)： 42/82頁(yè)
文件大?。?/td> 376K
代理商： ΜPD750068
42
m
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
11. INSTRUCTION SET
(1) Expression formats and description methods of operands
The operand is described in the operand column of each instruction in accordance with the description
method for the operand expression format of the instruction. For details, refer to “
RA75X ASSEMBLER
PACKAGE USERS’ MANUAL——LANGUAGE (EEU-1363)
”. If there are several elements, one of them
is selected. Capital letters and the + and – symbols are key words and are described as they are.
For immediate data, appropriate numbers or labels are described.
Instead of the labels such as mem, fmem, pmem, and bit, the symbols of the register flags can be described.
However, there are restrictions in the labels that can be described for fmem and pmem. For details, see
m
PD750068 User’s Manual (U10670E)
.
Expression
format
Description method
reg
reg1
X, A, B, C, D, E, H, L
X, B, C, D, E, H, L
rp
rp1
rp2
rp'
rp'1
XA, BC, DE, HL
BC, DE, HL
BC, DE
XA, BC, DE, HL, XA', BC', DE', HL'
BC, DE, HL, XA', BC', DE', HL'
rpa
rpa1
HL, HL+, HL–, DE, DL
DE, DL
n4
n8
4-bit immediate data or label
8-bit immediate data or label
mem
bit
8-bit immediate data or label
Note
2-bit immediate data or label
fmem
pmem
FB0H-FBFH, FF0H-FFFH immediate data or label
FC0H-FFFH immediate data or label
addr, addr1
(Mk II mode only)
0000H-0FFFH immediate data or label (
m
PD750064)
0000H-17FFH immediate data or label (
m
PD750066)
0000H-1FFFH immediate data or label (
m
PD750068)
12-bit immediate data or label
11-bit immediate data or label
caddr
faddr
taddr
20H-7FH immediate data (where bit0 = 0) or label
PORTn
IE
￥￥￥
RBn
MBn
PORT0-PORT6, PORT11
IEBT, IET0, IET1, IE0-IE2, IE4, IECSI, IEW
RB0-RB3
MB0, MB1, MB15
Note
mem can be only used for even address in 8-bit data processing.
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μPD750068(A) 4 Bit Single Chip Microcontrollers(4位單片微控制器)
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