參數(shù)資料
型號: MB89951PFM
元件分類: 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
文件頁數(shù): 83/110頁
文件大?。?/td> 619K
代理商: MB89951PFM
HARDWARE CONFIGURATION
2– 59
2.2.7 LCD Controller/driver
The LCD controller/driver consists of the display controller that generates
segment and common signals according to the display data and memory
data, and the segment and common drivers that can drive the LCD panel
directly.
Direct LCD driving
4 common outputs (COM0 to COM3) and 42 segment outputs (SEG0 to
SEG41)
21-byte display data memory
1/2, 1/3, or 1/4 selected as duty.
SEG20 to SEG41 can be used as general-purpose ports (option).
(1) Block diagram
Fig. 2.21 LCD Controller /Driver Block Diagram
Peripherals
LCD control register
(LCDR)
Prescaler
Timing
controller
RAM for display
(21 bytes)
Controller
Power supply (V1 to V3)
Common
driver
Circuit
commutating
to AC
Segment
driver
Driver
COM0
COM1
COM2
COM3
Main clock
:
4
42
Internal
bus
SEG00
SEG01
SEG02
SEG03
SEG04
:
SEG37
SEG38
SEG39
SEG40
SEG41
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