RA8816
Preliminary Version 1.6
144x65 Character/Graphic LCD Driver
The RA8816 is consisted of Display RAM, 256Kbyte 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
1170+450bytes
Display RAM + Buffer
256bytes
CGRAM
MPU
I/F
256Kx8 Font ROM
Block
D/C(RS)
C86
LCDC Control Block
BIT4
P/S
Cursor
Control
Scroll
Control
Scan
Control
Register
Block
KST[3..0]
KIN[4..0]
INT
Key Scan
Control
Block
& INT
Driver I/F
IO[7..0]
EL_CHRG
EL_DCHG
GPIO
VR
Voltage
Regulator
Voltage
Follower
RC
CLK_SEL
EXT_CLK
Oscillator
VREF
Voltage
Booster
RST
TEST[2..0]
S[1..0]
Test &
Power
Circuit
144
Segment
Drivers
65
Common
Drivers
FG
C[3..1]P C[2..1]M V0~V4 VLCD
SEG0~SEG143 COM0~COM63 COMS_A
COMS_B
Figure 3-2: Internal Block
RAiO TECHNOLOGY INC.
6/68
www.raio.com.tw
RAIO [ RAIO TECHNOLOGY INC. ]
