EM65570
68COM/ 98SEG 65K Color STN LCD Driver
5 Functional Block Diagram
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VDD
V0
V1
V2
V3
V4
Common Driver
Segment Driver
Gradation Selection Circuit
Data Latch
Shift Register
VSS
CAP1-
CAP1+
CAP2-
CAP2+
Display RAM
(DDRAM)
98 X 68 X (5+6+5) bits
CAP3+
CAP4+
CAP5+
VOUT
VEE
VREF
VBA
X Address Decoder
X Address Counter
X Address Register
RAM Interface
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
Alternation Circuit
MPU Interface
Bus Holder
Instruction Decoder
Register Read
D4/SPOL
D3/SMODE
D2
D1/SDA
D0/SCL
OSC
Display Timing Gen.
CSB RS RDB WRB P/S M86 RESB TEST
(E) (R/WB)
CK CKS
TEST1
Figure 5-1 System Block Diagram
12 •
Product Specification (V1.0) 09.05.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
