ra8816 RAIO Technology Inc., ra8816 Datasheet - Page 6

• Manufacturer Part Number: ra8816
• Description: 144x65 Character/graphic Lcd Driver
• Manufacturer: RAIO Technology Inc.

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