參數(shù)資料
型號: MB90246APFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 94/100頁
文件大?。?/td> 1959K
代理商: MB90246APFV
93
MB90246A Series
Table 21
Branch 2 [20 Instructions]
Note: For (a) to (d), refer to “Table 4 Number of Execution Cycles in Addressing Modes” and “Table 5 Correction
Values for Number of Cycles for Calculating Actual Number of Cycles.”
*1: Set to 4 when branch is executed, and 3 when branch is not executed.
*2: Set to 5 when branch is executed, and 4 when branch is not executed.
*3: Set to 5 + (a) when branch is executed, and 4 + (a) when branch is not executed.
*4: Set to 6 + (a) when branch is executed, and 5 + (a) when branch is not executed.
*5: Set to 3
× (b) + 2 × (c) when an interrupt request is issued, and 6 × (c) for return.
*6: This is a high-speed interrupt return instruction. In the instruction, an interrupt request is detected. When an
interrupt occurs, stack operation is not performed, with this instruction branching to the interrupt vector.
*7: Return from stack (word).
*8: Return from stack (long).
Mnemonic
#
~
B
Operation
LH AH
IS
T
N
Z
V
C RMW
CBNE
A, #imm8, rel
CWBNE A, #imm16, rel
CBNE
ear, #imm8, rel
CBNE
eam, #imm8, rel
CWBNE ear, #imm16, rel
CWBNE eam, #imm16, rel
DBNZ
ear, rel
DBNZ
eam, rel
DWBNZ ear, rel
DWBNZ eam, rel
INT
#vct8
INT
addr16
INTP
addr24
INT9
RETI
RETIQ *6
LINK
#imm8
UNLINK
RET *7
RETP *8
3
4
4 +
5
5 +
3
3 +
3
3 +
2
3
4
1
2
1
*1
*3
*1
*3
*2
*4
*2
*4
14
12
13
14
9
11
6
5
4
5
0
(b)
0
(c)
0
2
× (b)
0
2
× (c)
8
× (c)
6
× (c)
6
× (c)
8
× (c)
6
× (c)
*5
(c)
(d)
Branch if byte (A)
≠ imm8
Branch if word (A)
≠ imm16
Branch if byte (ear)
≠ imm8
Branch if byte (eam)
≠ imm8
Branch if word (ear)
≠ imm16
Branch if word (eam)
≠ imm16
byte (ear) = (ear) – 1,
Branch if (ear)
≠ 0
byte (eam) = (eam) – 1,
Branch if (eam)
≠ 0
word (ear) = (ear) – 1,
Branch if (ear)
≠ 0
word (eam) = (eam) – 1,
Branch if (eam)
≠ 0
Software interrupt
Return from interrupt
Stores old frame pointer in
the beginning of the
function, set new frame
pointer, and reserves local
pointer area
Restore old frame pointer
from stack in the end of
the function
Return from subroutine
R
*
S
*
*
*
*
*
*
*
*
*
*
*
*
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