hd66137t Renesas Electronics Corporation., hd66137t Datasheet
hd66137t
Related parts for hd66137t
hd66137t Summary of contents
Page 1
... Built-in switching circuit (to generate –21.5 V) Number of LCD drive circuit: 240 Operating voltage: 2.5 to 5.5 V Intermediate voltage I/F Built-in alternating signal generation circuit Pin programmable Output mode change: 240-output mode 200-output mode 160-output mode Built-in display-off function Flex TCP HD66137T ADE-207-291(Z) Rev. 2 Aug. 03, 1999 1 ...
Page 2
... HD66137T Pin Arrangement Note: The shape above does not indicate the actual outline. 2 Top view ...
Page 3
... LCD drive circuit Level shifter Shift register Shift register Shift register 200 201 220 221 Alternating signal Logic generating circuit MWS 0 to MWS 4 HD66137T VHR VLR VMR Level shifter DISPOFF Q M/S SR 240 D 3 ...
Page 4
... HD66137T Internal Block Diagram 1. LCD drive Circuit This circuit selects and outputs the three level signals for the LCD drive combination of the data in the shift register and M, either VH, VL selected and transmitted to the output circuit. 2. Level shifter This boosts a 5-V signal to a high-voltage signal for LCD drive. ...
Page 5
... MWS4 MWS3 MWS2 MWS1 MWS0 of lines • • • • • • HD66137T Line alternating M-pin status waveform —— Input Prohibited Output lines alternated lines alternated • ...
Page 6
... HD66137T Pin Functions (cont) Classification Symbol Pin No. Control signal MODE0 256 MODE1 256 DIO1 246 DIO2 265 CCL 248 AMP 252 RESET 263 DISPOFF 253 M/S 247 DOC 254 6 Connected to I/O Function — Input Switch terminals for the number of LCD drive output pins. ...
Page 7
... VH, VL selected and transmitted to the output circuit Output level HD66137T MODE1 Shift direction Right shift DIO2 SR1········SR240 DIO1 "H" DIO2 SR21········SR220 DIO1 " ...
Page 8
... HD66137T Application Example Application Example (1) Figure 1 shows an application example 640 3 (collar) 240 dot Half VGA Size STN color panel. This panel configured HD66137 1 piece and HD66136 5 pieces. HD66137 generates M signal and DOC signal. M signal pin is connected M signal pin of HD66136 and DOC signal pin is connected DISP signal pin of HD66136. ...
Page 9
... When useing external capacitor to generate VEE, you must connect a capacitor of several F or several tens of F between the VEE and GND. LCD panel 320 3 (collar) 1/240duty Y320~Y1 Y320~Y1 SHL HD66130 HD66130 EIO1 EIO2 (No.2) (No.1) MODE GND V CC Figure 2 Application Example (2) HD66137T 240 Y320~Y1 SHL HD66130 EIO1 EIO2 EIO1 (No.3) MODE GND ...
Page 10
... HD66137T Power Supply Circuit Example Figure 3 shows a power supply circuit example. +21.0V DC-DC CONVERTER +3.0~5.0V +2.7~5.5V – + GND Figure 3 Power Supply Circuit Example 10 VLCD COM SEG Driver V0 Driver HD66137 VM V1 GND VEO VL + – VEE External Capacitor C1 (2.2~4 External Capacitor (2.2~4 – ...
Page 11
... Symbol Ratings V –0 –0.3 to +25.0 LCD V –20.0 to +0.3 EE VT1 –0 0 –0 LCD VL +0 –0 5.0 Topr –30 to +75 Tstg –55 to +110 HD66137T Unit Notes ...
Page 12
... HD66137T V 2.5V CC 0ms LCD 0ms EE,VL 0ms DISPOFF Input signal, clock, or data Undefined 8.1 Power on (1) Turn on the power supply in the order of GND- V generated automatically. In this case, input GND to the DISPOFF pin. (2) The LCD level forcibely outputs the VM level by the DISPOFF function. ...
Page 13
... 3 –V LCD 19.2 kHz 1.5 kHz M — 5 –V LCD 19.2 kHz 1.5 kHz M — 3 –V LCD 19.2 kHz 1.5 kHz and V = GND HD66137T Notes 1 to GND ...
Page 14
... HD66137T Segment voltage Segment waveform V0 (5.0V) V (3.3V (3.0V (1.0V) GND (0.0V) Normal display period AC Characteristics ( 2.5 to 5.5 V, GND = Item Symbol Clock cycle time t CYC CL high-level width t CWH CL low-level width t CWL CL rising time falling time t f Data set-up time t DS Data hold time ...
Page 15
... The following timing is regulated with the circuit at the right connected. test point – –30 to +75 C) LCD EE Pin Name min. max. 1.2 X(n), M — – –30 to +75 C) LCD EE Pin Name min. max. 0.7 X(n), M — 30pF *1: *2: 100pF HD66137T Dimensions Note s 2 Dimensions Note ...
Page 16
... HD66137T 0 0 DIO1 DIO2 DIO1 DIO2 M (During output (During input) DISPOFF 0.3 DIO1 DIO2 (During input) t DOC1 DOC CWL f r CWH 0 0 pd1 ...
Page 17
... HL O Output Terminal 1 Applicable terminals : DOC Input Data Input Terminal 2 Applicable terminals : terminal connect with Level I H Input Terminal 4 Applicable terminals : terminal connect with V LR HD66137T V LCD I V Level MR, L terminal in LSI LCD V Level LR, L terminal in SLI ...
Page 18
... HD66137T Terminal Configuration ( GND I/O Terminal 1 Applicable terminals : DIO1, DIO2 LCD V LCD V I LCD I/O Terminal 2 Applicable terminals : LCD LCD drive Output Terminal Applicable terminals : X1 to X240 18 Input Data V CC GND LCD LCD I ...
Page 19
... Fax: 535-1533 Fax: <852> (2) 730 0281 Hitachi Asia Ltd. Telex: 40815 HITEC HX Taipei Branch Office 3F, Hung Kuo Building. No.167, Tun-Hwa North Road, Taipei (105) Tel: <886> (2) 2718-3666 Fax: <886> (2) 2718-8180 Copyright © Hitachi, Ltd., 1998. All rights reserved. Printed in Japan. HD66137T 19 ...