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T6K41

Features: `LCD drive outputs : 128 rows (common) * 128 columns (segment) + 16 icons`Display RAM : 128 * 128 * 2 = 32,768 bits, 2-port RAM`Gray scales : 4 gray-scale levels (palette function)`Word length : 8-bit/word` Display duty cycle : 1/72, 1/80, 1/100 or 1/128 duty during Normal Mode.(Duty cyc...

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SeekIC No. : 004511422 Detail

T6K41: Features: `LCD drive outputs : 128 rows (common) * 128 columns (segment) + 16 icons`Display RAM : 128 * 128 * 2 = 32,768 bits, 2-port RAM`Gray scales : 4 gray-scale levels (palette function)`Word le...

T6K41 Data Sheet

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Part Number:
T6K41
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`LCD drive outputs : 128 rows (common) * 128 columns (segment) + 16 icons
`Display RAM : 128 * 128 * 2 = 32,768 bits, 2-port RAM
`Gray scales : 4 gray-scale levels (palette function)
`Word length : 8-bit/word
` Display duty cycle : 1/72, 1/80, 1/100 or 1/128 duty during Normal Mode.
(Duty cycles in Normal Mode are set in software by the MPU.)
`Display modes : Normal Mode: Full display
Power Save Mode: Icon display
Partial Display Mode: Partial display
Standby Mode: Clock stopped (all internal circuits turned off)
`MPU : 8-bit (68/80 Series) parallel or serial interface
`Oscillator : Built-in CR oscillator with external resistors
`Power supply circuits : Resistors to divide bias voltage, op-amp for LCD drive power
supply, DC-DC converters (*2 to *6), contrast control circuit.
` Operating voltage : VDD = 2.4 V to 3.3 V, VIN = 2.7 V to 3.3 V
` LCD drive voltage : VCC = 16.5 V (max)
VOUT = 15.4 V (typ.) or VOUT = 13.0 V (typ.) (for internal voltage
regulator)
These voltages can be selected in software.
`CMOS process
`Low power consumption : ISS = 300 A (typ.)
Conditions: VDD = VIN = 3.0 V, when DC-DC converter is used (*6
Mode), LCD non-loaded, Ta = 25°C, 1/128 duty, 1/12 bias, fosc = 82
kHz (when internal oscillator is used), voltage regulator ON,
op-amp ON, display data = ALL 4-gray-scale checker pattern, no
data access from MPU.
`Temperature coefficient of voltage regulator: −0.05%/°C
`Package


Pinout

Connection Diagram


Specifications

Characteristic Symbol Rating Unit
Power supply voltage (1) VDD, VIN
(Note 13)		 −0.3 to 6.0 V
Power supply voltage (2) VLC0, 1, 2, 3,
4, 5,
VCC, VOUT		 VSS+ 18.0 to VSS − 0.3 V
Input voltage Vinp
(Note 13, 14		 −0.3 to VDD+ 0.3 V
Operating temperature Topr −30 to+ 85
Storage temperature Tstg −55 to+ 125
Note 13: Value based on VSS  0 V
Note 14: Applies to input and data bus excluding VCC, VOUT, VLC0, VLC1, VLC2, VLC3, VLC4 and VLC5.


Description

The T6K41 is a driver for a small-to-medium-sized dot matrix graphic LCD, especially for four-gray-scale monochromatic STN LCDs. This driver can be interfaced to the MPU via an 8-bit (80/68-series) or a serial interface, and is operated asynchronously with the MPU.

Since the T6K41 contains a CR oscillator, it can generate the timing signals required for the LCD.

The T6K41 has 128 outputs for the LCD drive (segment) signals that constitute the display data, 128 outputs for the LCD drive (common) signals that constitute the scanning signals and 16 bits of static-LCD drive (icon) signals. Furthermore, the T6K41 has 128 × 128 × 2 bits display RAM and 16-bit register.

Thus, this single device allows you to drive an LCD panel comprised of up to 128 × 128 + 16 dots with a minimize of power requirement. It also incorporates a gray-scale function.

The display RAM of the T6K41 is a two-port RAM so that the MPU access it without any wait time.

To minimize power consumption, the T6K41 has a display change mode (power save mode) in which only a 16-dot icon can be displayed. Furthermore, it has various built-in analog circuits such as a voltage regulator, voltage divider resistors, power supply op-amp, DC-DC converters (×2 to ×6) and a contrast control (electronic volume) circuit. All these circuits enable the LCD panel to be driven with a single power supply.




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