參數(shù)資料
型號(hào)： MB95108AHPFM
廠商： FUJITSU LTD
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP64
封裝： 12 X 12 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù)： 11/62頁
文件大小： 792K
代理商： MB95108AHPFM
MB95100AH Series
19
The RP indicates the address of the register bank currently being used. The relationship between the content
of RP and the real address conforms to the conversion rule illustrated below:
The DP specifies the area for mapping instructions (16 different instructions such as MOV A, dir) using direct
addresses to 0080H to 00FFH.
The CCR consists of the bits indicating arithmetic operation results or transfer data contents and the bits that
control CPU operations at interrupt.
Direct bank pointer (DP2 to DP0)
Specified address area
Mapping area
XXXB (no effect to mapping)
0000H to 007FH
0000H to 007FH (without mapping)
000B (initial value)
0080H to 00FFH
0080H to 00FFH (without mapping)
001B
0100H to 017FH
010B
0180H to 01FFH
011B
0200H to 027FH
100B
0280H to 02FFH
101B
0300H to 037FH
110B
0380H to 03FFH
111B
0400H to 047FH
H flag
: Set to “1” when a carry or a borrow from bit 3 to bit 4 occurs as a result of an arithmetic operation.
Cleared to “0” otherwise. This flag is for decimal adjustment instructions.
I flag
: Interrupt is enabled when this flag is set to “1”. Interrupt is disabled when this flag is set to “0”.
The flag is set to “0” when reset.
IL1, IL0 : Indicates the level of the interrupt currently enabled. Processes an interrupt only if its request level
is higher than the value indicated by this bit.
IL1
IL0
Interrupt level
Priority
00
0
High
Low = no interruption
01
1
10
2
11
3
N flag
: Set to “1” if the MSB is set to “1” as the result of an arithmetic operation. Cleared to “0” when the
bit is set to “0”.
Z flag
:
Set to “1” when an arithmetic operation results in “0”. Cleared to “0” otherwise.
V flag
: Set to “1” if the complement on 2 overflows as a result of an arithmetic operation. Cleared to “0”
otherwise.
C flag
: Set to “1” when a carry or a borrow from bit 7 occurs as a result of an arithmetic operation. Cleared
to “0” otherwise. Set to the shift-out in the case of a shift instruction.
"0"
"1"
R4
R3
R2
R1
R0
b2
b1
b0
A7
A6
A5
A4
A3
A2
A1
A0
A15 A14 A13 A12 A11 A10
A9
A8
Rule for Conversion of Actual Addresses in the General-purpose Register Area
Generated address
RP upper
OP code lower
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