Avant Electronics
SBN0064G
Dot-matrix STN LCD 64-SEGMENT Driver with 64-row x 64-column Display Data Memory
2
2.1
FUNCTIONAL BLOCK DIAGRAM AND DESCRIPTION
Functional block diagram
SEG63
SEG62
SEG1
V5L
V3L
V2L
V0L
V
EE1
CSM
Display ON/OFF Register
Display Start Line Register
Page Address Register
Column Address Register
Status Register
SEG0
V5R
64 Output Drivers
64 Level Shifters
V3R
V2R
V0R
V
EE2
High Voltage Circuit
Mapping Circuit
Display Data RAM output latch
64 row x 64column
(4096 bits)
Display Data Memory
Line Address
Decoder
Column Address Decoder
Command
Decoder
Display Data RAM Access Control
Display
Control
Display Data
Read/Write
Control
Microcontroller
Interface
Clock and display control
FRM
M
CLK1
CS2B
CS1B
DB0~DB7
RSTB
Fig.1 Functional Block Diagram
2005 May 20
4 of 37
CLK2
CS3
R/W
C/D
CL
E
data sheet (v3)
ETC [ ETC ]
