參數(shù)資料
型號(hào)： UPD750108A
廠商： NEC Corp.
英文描述： 4 BIT SINGLE-CHIP MICROCONTROLLER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 32/80頁(yè)
文件大?。?/td> 525K
代理商： UPD750108A
μ
PD750104, 750106, 750108, 750104(A), 750106(A), 750108(A)
32
6.9 Bit Sequential Buffer: 16 Bits
The bit sequential buffer (BSB) is a data memory specifically provided for bit manipulation. With this buffer,
addresses and bit specifications can be sequentially updated by bit manipulation operation. Therefore, this buffer
is very useful for processing long data in bit units.
Figure 6-9. Bit Sequential Buffer Format
Remarks 1.
In pmem.@L addressing, bit specification is shifted according to the L register.
2.
In pmem.@L addressing, the bit sequential buffer can be manipulated at any time regardless of MBE/
MBS specification.
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
BSB3
BSB2
BSB1
BSB0
FC3H
FC2H
FC1H
FC0H
L = FH
L = CH L = BH
L = 8H L = 7H
L = 4H L = 3H
L = 0H
DECS L
INCS L
Address
Bit
L register
Symbol
相關(guān)PDF資料
PDF描述
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