參數(shù)資料
型號(hào)： UPD75336
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 31/68頁(yè)
文件大?。?/td> 532K
代理商： UPD75336
31
μ
PD75336
5.10 BIT SEQUENTIAL BUFFER.....16 BIT
The bit sequential buffer 0 to 3 (BSB0 to BSB3) is a special data memory for bit manipulation. Since it can carry
out bit manipulation easily by sequentially changing the address and bit specification, the bit sequential buffer is
useful to process data having a long bit length bit-wise.
Fig. 5-9 Bit Sequential Buffer Format
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
L = 0
L = 3
L = 4
DECS L
L = 7
L = 8
INCS L
L = B
L = C
L = F
FC3H
FC2H
FC1H
FC0H
Symbol
Bit
L Register
BSB3
BSB2
BSB1
BSB0
Remarks
1.
2.
In pmem.@L addressing, the specified bit shifts in accordance with the L register.
In pmem.@L addressing, BSB is always operable regardless of MBE, MBS specifications.
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