參數(shù)資料
型號(hào): MB89951PFM
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64
封裝: 0.65 MM PITCH, QFP-64
文件頁(yè)數(shù): 84/110頁(yè)
文件大小: 619K
代理商: MB89951PFM
HARDWARE CONFIGURATION
2– 60
(2) Registers
(3) Description of registers
The detail of LCD control register is described below.
[Bits 7]: Always write 0.
[Bit 6] PSEL:
This bit is used to select LCD voltage V1, V2 and P32, P33.
[Bit 5] VSEL: Drive power control bit
This bit is used to control LCD drive power.
[Bit 4] BK: Display or display blanking select bit
This bit is used to select display or display blanking. The segment output
in display blanking is an non-conforming waveform.
Peripherals
Address: 0079H
Address: 007AH
LCDR
SEGR
8 bits
R/W LCD control register
R/W Segment output select register
Address: 0079H
(Initial value)
x0010000B
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PSEL
VSEL
BK
MS1
MS0
FP1
FP0
(R/W)
(a) LCD control register (LCDR)
LCDR
Address: 0079H
SEGR
Address: 007AH
Select P32 and P33
Select V1 and V2 (Initial value)
1
0
Connection of internal resistor for divided voltage enters off state
Connection of internal resistor for divided voltage enters on state
0
1
Display
Display blanking
0
1
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