RA8816N-T データシートの表示（PDF） - RAIO
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RA8816N-T Datasheet PDF : 8 Pages
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Preliminary Version 1.0
3. Block Diagram
RA8816N
144x65 Character/Graphic LCD Driver
MPU
GPIO
RA8816N
LCD Panel
4x5
Key Scan
Figure 3-1 : System Block
The RA8816N is consisted of Display RAM, 256KB Font ROM, Command Registers, LCD Controller,
LCD Driver, Voltage Booster, Voltage Regulator, MPU Interface and Key-Scan circuit.
DB[7:0]
RD(EN)
WR(R/W)
CS
D/C(RS)
C86
BIT4
P/S
KST[3:0]
KIN[4:0]
INT
IO[7:0]
CLK_SEL
EXT_CLK
RST
TEST[2:0]
TP[6:0]
MPU
I/F
Block
1170+450bytes
Display RAM + Buffer
256bytes
CGRAM
256Kx8 Font ROM
LCDC Control Block
Key Scan
Control
Block
& INT
Register
Block
GPIO
Cursor Scroll
Scan
Control Control Control
Driver I/F
RC
Oscillator
Test &
Power
Circuit
Voltage
Booster
Voltage
Regulator
Voltage
Follower
144
Segment
Drivers
65
Common
Drivers
VR
VREF
C[3:1]P C[2:1]M V0~V4 VOUT
SEG0~SEG143 COM0~COM63 COMS_A
COMS_B
Figure 3-2 : Internal Block
RAiO TECHNOLOGY INC.
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www.raio.com.tw
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