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STE2028 반도체 회로 부품 판매점

162 X 130 RGB single-chip true 262k color LCD controller driver



STMicroelectronics 로고
STMicroelectronics
STE2028 데이터시트, 핀배열, 회로
www.DataSheet4U.com
STE2028
162 x 130 RGB single-chip true 262k color LCD controller driver
Data Brief
Features
162x130 RGB display matrix
385K Bits display data RAM
2M color palette
262k color mode
Dual partial display mode
Partial vertical scrolling
Programmable number of lines
N-line inversion
Programmable frame rate over temperature
Digitally programmable LCD voltage
(up to 1024 steps)
Digitally programmable LCD voltage
compensation over temperature
Selectable input interface:
– 68000 & 8080 Parallel interfaces
(read and write)
– 3-lines and 4-lines SPI interface
(read and write)
– 3-lines 9-Bit serial interface
(read and write)
1 Look-up table for gamma setting
Fully integrated oscillator requires no external
components.
Fully integrated bias system and voltage
generator
Advanced MLS driving scheme for optimal
color images rendering (P=4).
Designed for chip-on-glass (COG) and chip-
on-foil (COF) applications
Interface supply voltage range from 1.65V to
3.6V
Logic supply voltage range from 1.65V to
1.95V
High voltage generator supply voltage range
from 2.2V to 3.6V
Display supply voltage range from 4.5V to
20.8V
One time programmable (OTP) non volatile
embedded memory
On chip calibration (with OTP Cells) of key
configuration parameters
Specific mode functionality to drive displays
smaller than 162x130 (such as 160x128)
Figure 1.
Block diagram
C3 to C392
R0 to R161
VCOM
+VRPOS
+VRPOS_SNS
-VRNEG
-VRNEG_SNS
+VCPOS
+VCPOS_SNS
-VCNEG
-VCNEG_SNS
VDDB
VDDA
VPP
VSSD
VSSI_AUX
TEST_MODE
TEST_VREF
TEST_VC2POS
TEST_VC2NEG
BIAS VOLTAGE
GENERATOR
DAC
HIGH VOLTAGE
GENERATOR
COLUMN
DRIVERS
ROW
DRIVERS
GRAY LEVELS GENERATOR
MLS ROW DRIVING
LOGIC
MLS COLUMN DRIVING LOGIC
DATA LATCH & GAMMA CORRECTION
130 x 162 x 18 Bit
Display Data RAM
VDDD
VDDI_AUX
BUFFER
DDRAM Col Adr
OTP(Memory)
DATA
REGISTER
DISPLAY
CONTROL
LOGIC
TIMING
GENERATOR
OSC
COMMAND DECODER
RESET
TEST
9 Bit SERIAL
3 & 4 Line SPI
Parallel 8080 Parallel 68K
TE
TEST_OSCOUT
TEST_OSCIN
!RES
SEL 0
SEL 1
SEL 2
VDDI SCL SDA
D[0..7]
E
!RD
R/!W
!WR
D/!C
!CS
LR238
Description
The STE2028 is a low power CMOS LCD
controller driver featuring an extremely low
current consumption.
Designed to drive a 162 rows by 390 columns or
262k colors graphic display, with MLS (Multi-line-
selection) algorithm, the STE2028 provides all the
necessary functions in a single chip, including on-
chip LCD supply and bias voltage generators,
resulting in a minimum of externals components.
June 2007
Rev 2
For further information contact your local STMicroelectronics sales office.
1/4
www.st.com
4


STE2028 데이터시트, 핀배열, 회로
www.DataSShTeEe2t40U2.c8om
Description (continued)
The different shades of gray are achieved with algorithms aimed to minimize the refresh
rate, current consumption and enable the use of new high speed CSTN (Color-Super
Twisted Nematics) fluids. A complete set of digital functions limits the host controller
overhead to manage complex display configurations and fast moving images data transfers
to driver RAM. STE2028 features five standard interfaces (3-lines Serial, 3-lines SPI, 4-lines
SPI, 68000 Parallel & 8080 parallel) for easy of interfacing with the host micro-controller.
Table 1. Key features and benefits
Features
Most integrated solution
Low power solution
Fully integrated OTP
262k color and 65k color, embedded RAM,
130 RGB x 162
Benefits
Only four external caps
Competitive consumption figures
Flexible and integrated module maker parameter
settings with low area consumption
The best solution for low-cost 262k color displays
Figure 2. Functional block diagram
9-bit 3wires / 8-bit 3&4-wire
serial interfaces
8080 & 68K Parallel
interfaces
Status
register
Instruction decoder
Control
register
Note:
ROW
drivers
OTP
Display RAM
1320rrggbbxx116622((1188BBititss))
MLS
logic
Grey levels generators
Gamma correction
Column drivers
Clocks
generator
High
voltage
generator
Bias
voltage
generator
STMicroelectronics is neither licensed nor authorized to license its customers under one or
more patents held by Motif Corporation to use this integrated circuit in the manufacture of
liquid crystal display modules. Such license can be obtained by Motif Corporation.
2/4




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STE2028

162 X 130 RGB single-chip true 262k color LCD controller driver - STMicroelectronics