參數(shù)資料
型號: OM6208
英文描述: 65 x 96 pixels matrix grey-scale LCD driver
中文描述: 65 × 96像素矩陣灰度LCD驅(qū)動器
文件頁數(shù): 47/68頁
文件大?。?/td> 296K
代理商: OM6208
2003 feb 10
47
Philips Semiconductors
Product specification
65 x 96 pixels matrix grey-scale LCD driver
OM6208
17.2
Factory defaults
17.2.1
C
ONFIGURATION DERIVED FROM
OTP
CELLS
In some instances it is desirable that the configuration is
derived from OTP cells and not from user-configurable
registers. It is therefore possible to pre-define the following
features using the OTP facility:
Default temperature compensation slopes
Default charge pump multiplication factor
Default V
PR
value
Default bias levels BS[2:0]
Default frame frequency range in grey-scale mode
GFR[2:0]
Default oscillator tune in grey-scale mode GT[2:0]
Default frame frequency in black-and-white mode
SFR[2:0]
Default oscillator tune in black-and-white mode ST[2:0]
Default N-line inversion NL[6:0]
Default frame inversion FI
Enable factory default FD
Seal bit.
The selection of the mode for factory defaults is made by
setting the factory default OTP cell bit MMFD.
Table 21
Factory default bit MMFD
The operation can be shown as a switch that selects
between two sources of data (see Fig.42). When the OTP
defaults are selected, changing the default values via the
interface is not possible.
MMFD
ACTION
0
1
configuration data is taken from the interface
OTP values are used for configuration data
handbook, full pagewidth
MGW840
INTERFACE
INTERFACE
REGISTERS
e.g. SLA[2:0]
MMFD
= 0
to temperature
compensation circuit
OTP DEFAULTS
e.g. SLA[2:0]
FACTORY
DEFAULT
MMFD
= 1
Fig.42 Factory defaults.
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