參數(shù)資料
型號(hào): μPD789416
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 97/126頁
文件大?。?/td> 590K
代理商: ΜPD789416
97
μ
PD789415, 789416, 789417
10.1.2 Descriptions of the operation field
A
: A register (8-bit accumulator)
X
: X register
B
: B register
C
: C register
D
: D register
E
: E register
H
: H register
L
: L register
AX
: AX register pair (16-bit accumulator)
BC
: BC register pair
DE
: DE register pair
HL
: HL register pair
PC
: Program counter
SP
: Stack pointer
PSW
: Program status word
CY
: Carry flag
AC
: Auxiliary carry flag
Z
: Zero flag
IE
: Interrupt request enable flag
NMIS
: Flag to indicate that a nonmaskable interrupt is being handled
()
: Contents of a memory location indicated by a parenthesized address or register name
X
H
, X
L
: Upper and lower 8 bits of a 16-bit register
^
: Logical product (AND)
: Logical sum (OR)
: Exclusive OR
: Inverted data
addr16 : 16-bit immediate data or label
jdisp8
: Signed 8-bit data (displacement value)
10.1.3 Description of the flag operation field
(blank) : No change
0
: To be cleared to 0
1
: To be set to 1
×
: To be set or cleared according to the result
R
: To be restored to the previous value
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