參數(shù)資料
型號(hào): MC68HC05PD6
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, TQFP-80
文件頁數(shù): 5/165頁
文件大?。?/td> 841K
代理商: MC68HC05PD6
GENERAL RELEASE SPECIFICATION
July 7, 1997
MOTOROLA
LCD DRIVER
MC68HC05PD6
10-6
REV 1.1
10.5
LCD DATA REGISTER (LCDR
x)
Data in the LCDR
x (LCDR1-LCDR18) controls the waveform of the two
Frontplanes drivers. Bit 0 thru 3 and bit 4 thru 7 of this register decide the
waveforms at the BP0 thru BP3 timings. If LCD duty is not 1/4, the register bit for
the unused Backplanes have no meaning.
0 =
output deselect waveform at the corresponding Backplanes timing.
1 =
output select waveform at the corresponding Backplanes timing.
Table 10-2. LCD Bias Resistors
LC
FC
Action
0
X
Default value of typically 30k
per resistor
1
0
Resistor value of typically 200k
per resistor
11
Fast-charge: for period of LCD CLK/128 in each frame the resis-
tor values are reduced to default (value for LC=0)
DUTY
FRONTPLANE DATA REGISTER BIT USAGE
76543210
1/3
BP2
BP1
BP0
BP2
BP1
BP0
1/4
BP3
BP2
BP1
BP0
BP3
BP2
BP1
BP0
X
7
XXXXXXX
6543210
W
R
LCDR
x
$0021-
$0032
reset
BP3
BP2
BP1
BP0
BP3
BP2
BP1
BP0
FP(2
x-1)
FP(2
x-2)
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