RA8872L3N 데이터 시트보기 (PDF) - RAIO
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RA8872L3N Datasheet PDF : 7 Pages
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Version 1.1 Brief Specification
RA8872
Character/Graphic TFT LCD Controller
4-2 LCD Panel Interface
Pin Name
PDAT[0:15]
HSYNC
VSYNC
PCLK
DE
I/O Pin#
Pin Description
LCD Panel Data Bus
O 85~100 Data bus output for TFT LCD panel driver IC. This data bus must
be connected to the corresponding bus of TFT-LCD panel.
HSYNC Pulse
O 81
When generic TFT is selected, the signal is used as HSYNC.
VSYNC Pulse
O 82
When generic TFT is selected, the signal is used as VSYNC.
O
83 Pixel Clock
When generic TFT is selected, the signal is used as PCLK.
Data Enable
O
84 When generic TFT is selected, the signal is used as DE.
4-3 Touch Panel and PWM Interface
Pin Name
XP
XN
YP
YN
PWM1
PWM2
GPIO[0:5]
I/O Pin#
Pin Description
XP Signal for Touch Panel
A
8 This pin connects to XP switch signal of 4-wires touch panel.
XN Signal for Touch Panel
A
5
This pin connects to XN switch signal of 4-wires touch panel.
YP Signal for Touch Panel
Touch Panel control signal.
A
6 This pin connects to YP switch signal of 4-wires touch panel. It
must be connected a 100KΩ pull-up resistor when the Touch Panel
function is enable.
YN Signal for Touch Panel
A
7 Touch Panel control signal.
This pin connects to YN switch signal of 4-wires touch panel.
PWM Output
O
33,
34 PWM output pins. The duty could be programmed by register
setting.
IO
64~66, General Purpose I/O
69~71 These signals are used as GPIO signals; user can program it by
register.
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