參數(shù)資料
型號: μPD789415
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 77/126頁
文件大?。?/td> 590K
代理商: ΜPD789415
77
μ
PD789415, 789416, 789417
(2) LCD port selector (LPS)
The LPS controls port and segment signal output switching.
The LPS is manipulated using a 1-bit or 8-bit memory manipulation instruction.
A RESET clears the LPS to 00H.
Figure 5-38. LCD Port Selector Format
0
LPS0
LPS
Symbol
Address
When reset
R/W
FFB1H
00H
R/W
7
6
5
4
3
2
1
0
0
1
Used as ports (Pmn)
LPS4
LPS3
LPS2
LPS1
LPS0
P93/S16, P92/S17 P91/S18, P90/S19 P87/S20, P86/S21 P85/S22, P84/S23 P83/S24, P82/S25 P81/S26, P80/S27
Used as segments (S
×
)
LPS5
LPS1
LPS2
LPS4
LPS5
0
LPS3
Remark
m = 8 n = 0 to 7
m = 9 n = 0 to 3
×
= 16 to 27
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