Features: • Direct display of the RAM data using the bit map method Display RAM data "1" ... Dot is displayed Display RAM data "0" ... Dot is not displayed
• Display RAM capacity ML9352: 32 * 128 = 4096 dots
• Organic EL Drive circuits 33 cathode outputs, 128 anode outputs
• Microcomputer interface: Can select an 8-bit parallel or serial interface
• Built-in oscillator circuit (Internal oscillator circuit/external clock input selectable)
• A variety of commands Read/write of display data, display ON/OFF, normal/reverse display, all dots ON, write address setting, scroll start line setting, fixed display line number setting, anode pulse width adjustment, etc.
• Power supply voltage Logic power supply: VDDA = VDDL = 2.7 to 5.5 V Organic EL Drive voltage: VDISPS = 18 to 30 V, VDISPC = 18 to 30 V
• Package: Bare chip
Specifications
|
Parameter |
Symbol |
Condition |
Rating |
Units |
Applicable pins |
| Power supply voltage |
VDD |
Ta = 25 |
0.3 to +6.5 |
V |
VDD, VSS |
| EL drive voltage |
VDISP |
Ta = 25 |
0.3 to +35 |
V |
VDISP, VSS |
| EL reference voltage |
VEL |
- |
0.3 to VDISPS |
V |
VEL, VSS |
| Logic input voltage |
VI |
Ta = 25 |
0.3 to VDD+0.3 |
V |
All logic inputs |
| Anode output voltage |
VELA |
Ta = 25 |
0.3 to
VDISPS+0.3 |
V |
SEG0 to 127 |
| Cathode output voltage |
VELK |
Ta = 25 |
0.3 to
VDISPC+0.3 |
V |
COM0 to 31,
COMS1 |
| Anode output current |
IELA |
during "L" level output |
0.0 to 30 |
mA |
SEG0 to 127 |
| during "H" level output |
1.0 to 0.0 |
| Cathode output current |
IELK |
during "L" level output |
0.0 to 150 |
mA |
COM0 to 31,
COMS1 |
| during "H" level output |
70 to 0.0 |
| Storage temperature range |
TSTG |
- |
55 to +125 |
|
- |
DescriptionThe ML9352 is an LSI for dot matrix graphic organic EL devices carrying out bit map display. This LSI can drive dot matrix graphic organic EL display panel under the control of microcomputer. Since all the functions necessary for driving a bit map type organic EL device are incorporated in a single chip, using the ML9352 makes it possible to realize a bit map type dot matrix graphic organic EL display system with only a few chips.
Since the bit map method in which one bit of display RAM data of ML9352 turns ON or OFF one dot in the display panel, it is possible to carry out displays with a high degree of freedom such as Chinese character displays, etc. With one chip, it is possible to construct a graphic display system with a maximum of 128 × 32 dots.
Since the organic EL drive voltage of the ML9352 can range as high as 30 V, the ML9352 is suited to drive on-vehicle panels that require high luminance and panels used in audio equipment.
ML9352 Data Sheet
