XE8000EV110 Semtech, XE8000EV110 Datasheet - Page 150
XE8000EV110
Manufacturer Part Number
XE8000EV110
Description
EVAL BOARD FOR XE8802AMI035LF
Manufacturer
Semtech
Type
MCUr
Specifications of XE8000EV110
Contents
Fully Assembled Evaluation Board
For Use With/related Products
XE88LC02MI035
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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19.4 Basic LCD capabilities
This section shows how to use the LCD driver. For each multiplexing configuration it gives a basic example
explaining how to set-up the driver, the generated waveforms, how to connect the display and how to use the on-
chip voltage generator. Other connection schemes and more advanced control functions will be given in the next
section.
The LCD module generates the timing control to drive a static or multiplexed LCD panel, with support for up to 32
segment lines multiplexed with up to four common lines. The table below summarises the multiplexing scheme for
LCD operation.
© Semtech 2006
Pos.
Pos.
Pos.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
RegPLcdOutN
RegPLcdDirN
RegPLcdPullupN
PLcdPullupN[7]
PLcdPullupN[6]
PLcdPullupN[5]
PLcdPullupN[4]
PLcdPullupN[3]
PLcdPullupN[2]
PLcdPullupN[1]
PLcdPullupN[0]
PLcdOutN[6]
PLcdOutN[5]
PLcdOutN[4]
PLcdOutN[3]
PLcdOutN[2]
PLcdOutN[1]
PLcdOutN[0]
PLcdOuN[7]
PLcdDirN[7]
PLcdDirN[6]
PLcdDirN[5]
PLcdDirN[4]
PLcdDirN[3]
PLcdDirN[2]
PLcdDirN[1]
PLcdDirN[0]
Rw
r w
r w
r w
r w
r w
r w
r w
r w
Rw
r w
r w
r w
r w
r w
r w
r w
r w
Rw
r w
r w
r w
r w
r w
r w
r w
r w
Multiplex scheme
direct drive (DD)
1:2
1:3
1:4
Reset
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
Reset
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
Reset
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
0 nresetpconf
Table 19-11: RegPLcdPullupN with 0≤N≤3
Table 19-10: RegPLcdDirN with 0≤N≤3
Table 19-9: RegPLcdOutN with 0≤N≤3
Table 19-12: Multiplexing Scheme
XE8802 Sensing Machine Data Acquisition MCU
Description
Description
Description
19-6
pullup for pad_lcd_io[8N+7] (1=active)
pullup for pad_lcd_io[8N+6] (1=active)
pullup for pad_lcd_io[8N+5] (1=active)
pullup for pad_lcd_io[8N+4] (1=active)
pullup for pad_lcd_io[8N+3] (1=active)
pullup for pad_lcd_io[8N+2] (1=active)
pullup for pad_lcd_io[8N+1] (1=active)
pullup for pad_lcd_io[8N+0] (1=active)
pad_lcd_io[8N+7] direction (0=input)
pad_lcd_io[8N+6] direction (0=input)
pad_lcd_io[8N+5] direction (0=input)
pad_lcd_io[8N+4] direction (0=input)
pad_lcd_io[8N+3] direction (0=input)
pad_lcd_io[8N+2] direction (0=input)
pad_lcd_io[8N+1] direction (0=input)
pad_lcd_io[8N+0] direction (0=input)
with ZoomingADC™ and LCD driver
Max #segments
pad_lcd_io[8N+7] output value
pad_lcd_io[8N+6] output value
pad_lcd_io[8N+5] output value
pad_lcd_io[8N+4] output value
pad_lcd_io[8N+3] output value
pad_lcd_io[8N+2] output value
pad_lcd_io[8N+1] output value
pad_lcd_io[8N+0] output value
32 x 2
31 x 3
30 x 4
32
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