參數(shù)資料
型號： UPD17201A
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
中文描述： 4位單片機與LCD控制器/驅(qū)動器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì)
文件頁數(shù)： 59/120頁
文件大?。?/td> 516K
代理商： UPD17201A
μ
PD17201A, 17207
59
11.2
FUNCTIONS OF LCD CONTROLLER/DRIVER
The LCD controller/driver of the
μ
PD17207 features the following:
(1) Automatically reads the LCD register and generates segment signals and common signals.
(2) Three display modes available:
Display mode 1: 1/2-duty, 1/3-bias
Display mode 2: 1/3-duty, 1/3-bias
Display mode 3: 1/4-duty, 1/3-bias
(3) Four frame frequencies available in each display mode.
(4) Since a voltage booster circuit for LCD driver is used, constant output voltage not affected by the fluctuation
in the supply voltage.
(5) The LCD register which is not used for display can be used as ordinary data memory.
Table 11-1 shows the maximum number of pixels available in each display mode.
Table 11-1 Maximum Number of Pixels Displayed
Mode
Duty
Common Signal
Maximum Number of Pixels
1
1/2
COM
0
, COM
1
72 (36 segment signals by 2 common signals)
2
1/3
COM
0
, COM
1
, COM
2
105 (35 segment signals by 3 common signals)
3
1/4
COM
0
, COM
1
, COM
2
, COM
3
136 (34 segment signals by 4 common signals)
11.3
DISPLAY MODE REGISTER
The Display Mode register selects a display mode of the LCD controller/driver, a frame frequency, and LCD on/
off status.
The display mode register consists of LCDMD0 to LCDMD3 (address 32H of register file) for selection of a display
mode, LCDEN (bit 3, address 31H of the register file) for selection of the LCD on/off status, and LCDCK0 to LCDCK2
(bit 2 to bit 0, address 31H of the register file) for selection of a frame frequency.
相關(guān)PDF資料
PDF描述
UPD17201AGF 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
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UPD17207GF 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
UPD17202AGF-011 Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No
UPD17202AGF-011-3BE Circular Connector; No. of Contacts:56; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:25-4 RoHS Compliant: No
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