MXED301
128 Column by 80 Row OLED
Advance Information
Driver with Controller
Subject To Change Without Notice
Patent Pending
FEATURES
Standard Control and Data Interfaces
•
Parallel: 8-Bit Motorola 68xx or Intel 80xx
•
Serial: I
2
C, 3-Line, 3-Line and 4-Line SPI
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6.5MHz maximum data rate
•
Chip Select and Interface Mode Select
Display Data RAM (DDRAM)
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128 x 80 x 4bit Frame Buffer
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Horizontal/Vertical Write Addressing
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Virtual DDRAM Windowing
Display Operating Modes
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Frame Rate adjustable from 50 - 120 Hz
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80- or 64-row scan
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Binary and Grey Scale
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X- and Y- Mirroring
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8- and 16-row partial display with Split
Screen
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Screen Saver
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Flash Mode
OLED Drive
•
Global Current (Brightness) Control: 6-bit
log setting 10µA-350µA
•
Current Matching to 3.5%
•
4-bit per pixel to 8 bit PWM Gamma
Grayscale
•
Adaptive Precharge
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Sequential or Interdigitized row
addressing
Hardware Functions
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External Power Supply Options
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DC-DC converter controller/regulator
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Pixel-Adaptive Power Management
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Power On Reset
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Power Down (DDRAM preserved)
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Internal oscillator/External clock
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Battery Voltage Range: 2.7 to 5.5 Volts
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Logic Voltage Range: 1.8 to 3.6 Volts
•
Low Voltage Analog Supply Range: 2.4 to
3.6 Volts
Mechanical
•
Gold-Bumped Die @ 80µ pitch for COG,
COB, COF Assemblies
•
BGA for simplified prototyping
OVERVIEW
The MXED301 combines Clare Micronix’s ad-
vanced OLED column- and row-driver designs with
a versatile controller, which supports standard digi-
tal system interfaces and connects directly to OLED
display panels. The MXED301’s well-matched cur-
rent drivers, and user provisions to accommodate
specific display panel characteristics, ensure uni-
form luminance and high-quality gray-scale opera-
tion. Active pixel monitoring and supply voltage
control options guarantee minimum power dissi-
pation over the lifetime of the display module.
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MXED301
128 Column by 80 Row OLED
Advance Information
Driver with Controller
Subject To Change Without Notice
Patent Pending
REVISON CONTROL
REVISON A
Features:
Minium F/R is 50Hz ; Maximum LV Supply is 3.6V ; Deleted TCP package option
Figure 1: Added ROWSEL pin
DCDC Converter: Changed to 16V maximum.
Oscillator: Corrected “SELEXT” name and corrected logic polarity.
Frame Rate: Added Table for Frame Rate vs. ROSC
Figure 2: Added S(6:0) and B(6:0) vector pictoral.
Horizontal Mirroring: Clarified verbage that MX only changes memory addressing.
Vertical Mirroring: Corrected Row Driver sequencing
Table 1: Corrected DOR bit polarity
Figure 6: Corrected Start Line and Blank Line vector naming.
Active Drive: Specified minum current to be 10uA at N=17.
Table 21: Changed Imax vs. VC(2:0)
Table 22, VPP: Deleted VROFF reference.
Table 23, SELEXT: Corrected logic polarity.
Table 25, SDATA/SDO: Corrected definition.
Table 26A, Blank Row: Corrected nomenclature.
Table 27, RT: Corrected spelling.
Table 28: Corrected default values: TPC=07h ; IPC=1Fh
Table 29: Corrected linear Gamma defaults to start w/ 15 in increments of 15.
Read Product Code/Table 32: Changed code: B(7:6) = Product ; B(5:1) = Revision; B(0) = X
MUX80: In various places corrected that 64 rows are addressed when MUX80=0.
Precharge Current Amplitude: Correct register size is IPC(6:0).
Partial Display Mode Line Offset, B(6:0): Corrected maximum range is:
MUX80=1: Maximum is 63 lines ; MUX80=0: Maximum is 47 lines
Table 34: Changed nominal ROSC=140K @ 60Hz. Added 60K<ROSC<180K .
Table 35, ICOL:
Corrected equation: ICOL = 2.744uA*(1.08)^^N
Changed Global Brightness matching condition from N=48 to N=63
Added RROW minimum and typical values.
Table 36:
FCLK_Internal: Corrected limits to 2.4576MHZ nom., 2.0-2.95MHz w/ ROSC=140K
FCLK_External: Corrected limits to 1.024-2.4576MHz for Frame Rate=60Hz
Frame: Changed minimum to 50Hz and typical to 75 Hz.
Frow: Changed limits to 4.0-9.6 kHz for new Frame Rate limits.
Table 37:
Pads 157-158: Corrected name to RGND.
Pad 161: Changed name from “Dummy” to “DGND” to force test pin to GND.
Application Information: Added section.
Figure 26: Configuration Examples: Added 3 typical application connections of MXED301.
Added Programming samples of: Write to RAM, Flash, Partial/Split Screen and Screen Saver
modes.
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Preliminary
MXED301
MXED301 ELECTRICAL DATA SHEET
FEATURES .............................................................................................................. 1
OVERVIEW ............................................................................................................. 1
FUNCTIONAL DESCRIPTION ................................................................................ 7
Microcontroller Interface ............................................................................................................................
Instruction Decoder/Controller/Scanner ..................................................................................................
Display Data RAM (DDRAM) ........................................................................................................................
4-8 Bit Gamma Lookup Table ......................................................................................................................
DDRAM Address Controller ........................................................................................................................
Gray-Scale Counter .....................................................................................................................................
Column Current D/A Converter ..................................................................................................................
Column Drivers ............................................................................................................................................
Row Drivers..................................................................................................................................................
Column Monitor ...........................................................................................................................................
DC/DC Controller .........................................................................................................................................
Oscillator ......................................................................................................................................................
7
7
7
7
7
7
7
8
8
8
8
8
MODES OF OPERATION ....................................................................................... 9
Frame Rate ................................................................................................................................................... 9
Binary/Gray Scale ........................................................................................................................................ 9
Display Formats ............................................................................................................................................ 9
Screen Saver Mode .................................................................................................................................... 9
Flash Mode ................................................................................................................................................. 10
Normal/Inverse Image ............................................................................................................................... 10
Horizontal Mirroring .................................................................................................................................. 10
Vertical Mirroring ....................................................................................................................................... 10
Sequential and Interleaved Scanning ..................................................................................................... 10
White Field Test Pattern ........................................................................................................................... 10
Pixel Aging Compensation ........................................................................................................................ 10
Power Down ................................................................................................................................................ 11
WRITING TO RAM ................................................................................................. 11
Parameters That Affect Writing to RAM.................................................................................................... 11
Writing Data to RAM, Binary Mode ........................................................................................................... 13
Writing Data to RAM, Gray Scale Mode ................................................................................................... 13
Virtual RAM Window .................................................................................................................................. 14
DISPLAY SCANNING - READING DDRAM ......................................................... 15
Display Scanning of Columns, Binary Mode ........................................................................................... 15
Display Scanning of Columns, Gray Scale Mode ................................................................................... 15
Display Scanning of Rows ........................................................................................................................ 15
Scanning In Screen Saver Mode ............................................................................................................. 18
Unconnected Columns .............................................................................................................................. 20
INTERFACING TO A MICROCONTROLLER ...................................................... 21
Intel 8080-Series MPU Interface .............................................................................................................. 21
Motorola 6800-series MPU Interface ....................................................................................................... 21
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MXED301
Preliminary
21
25
25
25
26
31
31
31
32
32
32
I2C Bus Interface .......................................................................................................................................
Standard Serial Bus, 3-Wire Interfaces ...................................................................................................
3-Line Nokia Interface ...............................................................................................................................
3-Line SPI (Serial Peripheral Interface) ..................................................................................................
4-Line SPI (Serial Peripheral Interface) ..................................................................................................
Column Driver Circuit and Waveforms ....................................................................................................
Column Precharge .....................................................................................................................................
Active Drive ................................................................................................................................................
Active Discharge ........................................................................................................................................
Strong Discharge .......................................................................................................................................
Null ..............................................................................................................................................................
COLUMN DRIVER OPERATION .......................................................................... 31
ROW DRIVER OPERATION .................................................................................. 35
OPERATING THE DC/DC CONVERTER ............................................................. 35
Compliance Voltage ...................................................................................................................................
Theory of Operation ..................................................................................................................................
Inductor Selection .....................................................................................................................................
Diode Selection .........................................................................................................................................
FET Selection .............................................................................................................................................
Output Capacitor Selection ......................................................................................................................
Input Capacitor Selection .........................................................................................................................
Inductor Selection Example .....................................................................................................................
Layout Note ................................................................................................................................................
35
36
37
37
37
37
37
38
38
PAD DEFINITIONS ................................................................................................. 39
CONTROL INSTRUCTIONS ................................................................................. 42
COMMAND DEFINITIONS .................................................................................... 45
Gamma Start Stream ..................................................................................................................................
Screen Saver Start Stream .......................................................................................................................
Read Status ................................................................................................................................................
Read Product Code ...................................................................................................................................
BW: Black & White or Binary Mode .........................................................................................................
WHT: All Pixels On ....................................................................................................................................
INV: Inverse Video mode ..........................................................................................................................
DOR: Data order .......................................................................................................................................
V: Memory addressing mode ...................................................................................................................
DON bit; set the display on and off ..........................................................................................................
MY bit; vertical mirroring ..........................................................................................................................
Pon: partial display mode .........................................................................................................................
RT: Set Row Timing ..................................................................................................................................
RR1 and RR2: Reversing Rows ..............................................................................................................
SAV: Screensaver ......................................................................................................................................
FLS: Flash mode ........................................................................................................................................
TPC[3:0]: Precharge Time ........................................................................................................................
IPC[5:0]: Precharge Current Amplitude ..................................................................................................
S[6:0]; set Display Start Line ....................................................................................................................
B[6:0]: Partial Display Mode Line Offset ................................................................................................
VC[2:0]: Compliance Voltage .....................................................................................................................
4
45
45
45
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46
46
46
47
47
47
47
47
47
47
47
47
47
47
47
48
48
DESCRIPTIONS OF CONTROL BITS ................................................................. 46
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15280C
Preliminary
MXED301
ELECTRICAL SPECIFICATIONS ......................................................................... 49
ERRATA LOG ........................................................................................................ 52
MECHANICAL SPECIFICATIONS ........................................................................ 53
Figure 25 - Die Specification .................................................................................................................... 53
Figure 26 - BGA Specification .................................................................................................................. 57
ORDERING INFORMATION.................................................................................. 60
APPLICATION INFORMATION ...........................................................................
61
FIGURE 26 - CONFIGURATION EXAMPLES ..................................................... 61
FIGURE 27 - PROGRAMMING EXAMPLES....................................................... 64
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