參數(shù)資料
型號(hào): M34571G6FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO24
封裝: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù): 110/126頁
文件大小: 1776K
代理商: M34571G6FP
Rev.1.02
May 25, 2007
Page 84 of 124
REJ03B0179-0102
4571 Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SNZI0
(Skip if Non Zero condition of external Interrupt 0 input pin)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
011
10
10 2 03 A 16
11
-
I12 = 0 : (INT0) = “L”
I12 = 1 : (INT0) = “H”
Opera-
tion:
I12 = 0 : (INT0) = “L” ?
I12 = 1 : (INT0) = “H” ?
(I12 : bit 2 of the interrupt control register I1)
Grouping:
Interrupt operation
Description: When I12 = 0 : Skips the next instruction when the level of
INT0 pin is “L”. Executes the next instruction when the
level of INT0 pin is “H”.
When I12 = 1 : Skips the next instruction when the level of
INT0 pin is “H.” Executes the next instruction when the
level of INT0 pin is “L”.
SNZI1
(Skip if Non Zero condition of external Interrupt 1 input pin)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
011
10
11 2 03 B 16
11
-
I22 = 0 : (INT1) = “L”
I22 = 1 : (INT1) = “H”
Opera-
tion:
I22 = 0 : (INT1) = “L” ?
I22 = 1 : (INT1) = “H” ?
Grouping:
Interrupt operation
Description: When I22 = 0 : Skips the next instruction when the level of
INT1 pin is “L”. Executes the next instruction when the
level of INT1 pin is “H”.
When I22 = 1 : Skips the next instruction when the level of
INT1 pin is “H”. Executes the next instruction when the
level of INT1 pin is “L”.
SNZP
(Skip if Non Zero condition of Power down flag)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
000
00
11 2 00 3 16
11
-
(P) = 1
Opera-
tion:
(P) = 1 ?
Grouping:
Other operation
Description: Skips the next instruction when the P flag is “1”.
After skipping, the P flag remains unchanged.
Executes the next instruction when the P flag is “0”.
SNZT1
(Skip if Non Zero condition of Timer 1 interrupt request flag)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
1
000
00
00 2 28 0 16
11
-
V12 = 0 : (T1F) = 1
Opera-
tion:
V12 = 0 : (T1F) = 1 ?
(T1F)
0
V12 = 1 : SNZT1 = NOP
(V12 = bit 2 of interrupt control register V1)
Grouping:
Timer operation
Description: When V12 = 0 : Clears (0) to the T1F flag and skips the
next instruction when timer 1 interrupt request flag T1F is
“1”. When the T1F flag is “0,” executes the next instruction.
When V12 = 1 : This instruction is equivalent to the NOP
instruction.
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