參數(shù)資料
型號(hào): M34556M8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO42
封裝: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件頁數(shù): 143/147頁
文件大?。?/td> 1087K
代理商: M34556M8-XXXFP
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Rev.3.02
Dec 22, 2006
page 93 of 142
REJ03B0025-0302
4556 Group
SZB j (Skip if Zero, Bit)
00001000j
j
02j
11
(Mj(DP)) = 0
j = 0 to 3
Grouping:
Bit operation
Description: Skips the next instruction when the con-
tents of bit j (bit specified by the value j in
the immediate field) of M(DP) is “0.”
Executes the next instruction when the con-
tents of bit j of M(DP) is “1.”
Operation:
(Mj(DP)) = 0 ?
j = 0 to 3
SZD (Skip if Zero, port D specified by register Y)
0000100100
024
22
(D(Y)) = 0
(Y) = 0 to 7
Grouping:
Input/Output operation
Description: Skips the next instruction when a bit of port
D specified by register Y is “0.” Executes the
next instruction when the bit is “1.”
Note:
(Y) = 0 to 5.
Do not execute this instruction if values ex-
cept above are set to register Y.
T1AB (Transfer data to timer 1 and register R1 from Accumulator and register B)
1000110000
230
11
Grouping:
Timer operation
Description: Transfers the contents of register B to the
high-order 4 bits of timer 1 and timer 1 re-
load register R1. Transfers the contents of
register A to the low-order 4 bits of timer 1
and timer 1 reload register R1.
Operation:
(T17–T14)
← (B)
(R17–R14)
← (B)
(T13–T10)
← (A)
(R13–R10)
← (A)
Operation:
(D(Y)) = 0 ?
(Y) = 0 to 7
2
16
0000101011
02B
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SZC (Skip if Zero, Carry flag)
0000101111
02F
11
(CY) = 0
Grouping:
Arithmetic operation
Description: Skips the next instruction when the con-
tents of carry flag CY is “0.”
After skipping, the CY flag remains un-
changed.
Executes the next instruction when the con-
tents of the CY flag is “1.“
Operation:
(CY) = 0 ?
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