HD66108

Features:

·  Four types of LCD driving circuit configurations can be selected
·  Seven types of multiplexing duty ratios can be selected: 1/32, 1/34, 1/36, 1/48, 1/50, 1/64, 1/66 Notes: The maximum number of row outputs is 65.
·  Built-in bit-mapped display RAM: 10 kbits (165 ´ 65 bits)
·  The word length of display data can be selected according to the character font: 8-bit or 6-bit
·  A standby operation is available
·  The display can be extended through a multi-chip operation
·  A built-in CR oscillator
·  An 80-system CPU interface: ø = 4 MHz
·  Power supply voltage for operation: 2.7V to 6.0V
·  LCD driving voltage: 6.0V to 15.0V
·  Low current consumption: 400 µA max (at fOSC = 500 kHz, fOSC is external clock frequency)
·  Package: 208-pin TCP (Tape-Carrier-Package)


Pinout




Specifications

Item	Symbol	Ratings	Unit
Power supply voltage (1) Power supply voltage (2) Input voltage Operating temperature Storage temperature	VCC1 to VCC3 VCCVEE Vin Top Tstg	0.3 to +7.0 0.3 to +16.5 0.3 to VCC + 0.3 20 to +75 40 to +125	V V V °C °C

Notes: 1. Permanent LSI damage may occur if the maximum ratings are exceeded. Normal operation should be under recommended operating conditions (V_CC = 2.7 to 6.0V, GND = 0V, Ta = 20 to +75°C). If these conditions are exceeded, LSI malfunctions could occur.
2. Power supply voltages are referenced to GND = 0V. Power supply voltage (2) indicates the difference between V_CC and V_EE.


Description

The HD66108T under control of an 8-bit MPU can drive a dot matrix graphic LCD (liquid-crystal display) employing bit-mapped display with support of an 8-bit MPU.

Use of the HD66108T enables a simple LCD system to be configured with only a small number of chips, since it has all the functions required for driving the display.

The HD66108T also enables highly-flexible display selection due to the bit-mapped method, in which one bit of data in a display RAM turns one dot of an LCD panel on or off. A single HD66108T can display a maximum of 100* 65 dots by using its on-chip 165* 65-bit RAM. Also, by using several HD66108T's, a display can be further expanded.

The HD66108T employs the CMOS process and TCP package. Thus, if used together with an MPU, it can provide the means for a battery-driven pocket-size graphic display device utilizing the low current consumption of LCDs.