參數(shù)資料
型號(hào): uPD750068CU
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 4位單晶片微控制器
文件頁數(shù): 34/82頁
文件大?。?/td> 460K
代理商: UPD750068CU
34
μ
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
Data Sheet U10165EJ2V0DS00
6.10 Bit Sequential Buffer ....... 16 Bits
The bit sequential buffer (BSB) is a special data memory for bit manipulation and the bit manipulation can be
easily performed by changing the address specification and bit specification in sequence, therefore it is useful
when processing a long data bit-wise.
Figure 6-10. Bit Sequential Buffer Format
Address
Bit
Symbol
L register
L = FH
L = CH L = BH
L = 8H
L = 7H
L = 4H L = 3H
DECS L
L = 0H
INCS L
BSB3
BSB2
BSB1
BSB0
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
FC3H
FC2H
FC1H
FC0H
Remarks 1.
In the pmem.@L addressing, the specified bit moves corresponding to the L register.
In the pmem.@L addressing, the BSB can be manipulated regardless of MBE/MBS specification.
2.
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