參數(shù)資料
型號: UPD17242UC-XXX-5A4
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.5 MHz, MICROCONTROLLER, PDSO30
封裝: 0.300 INCH, PLASTIC, SSOP-30
文件頁數(shù): 23/102頁
文件大?。?/td> 953K
代理商: UPD17242UC-XXX-5A4
27
Data Sheet U15002EJ1V1DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
Figure 2-8. Configuration of General Registers
General register pointer
(RP)
RPH
0123456789ABCDEF
RPL
BANK0
Column address
BANK1
System register
General register (16 nibbles)
Port register
Port
register
System register
RP
Port
register
Example
General registers
when
RP = 0000010B
Same system
registers exist
BANK2
System register
BANK3
System register
b3 b2 b1
0
1
b0
0
1
0
1
b3
0
1
0
1
0
1
0
1
b2
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
b1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
b0
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Setting
of BANK
Setting
of row
address
General register
settable range
Fix
ed
to
0
Fix
ed
to
0
Assigned
to
BCD
flag
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