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PDF UPD16680P Data sheet ( Hoja de datos )
| Número de pieza | UPD16680P | |
| Descripción | 1/53/ 1/40 DUTY/ LCD CONTROLLER/DRIVER WITH BUILT-IN RAM | |
| Fabricantes | NEC | |
| Logotipo |  |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16680
1/53, 1/40 DUTY, LCD CONTROLLER/DRIVER WITH BUILT-IN RAM
DESCRIPTION
The µPD16680 is a driver which contains a RAM capable of full - dot LCD display. The single µPD16680 IC chip can
operate a full - dot (up to 100 by 51 dots) LCD and pictographs (100 pictographs).
The µPD16680 can operate on single 3 V-power supply, is suitable for graphic pagers and cellular.
FEATURES
• LCD driver with a built-in display RAM
• Can operate on single 3 V-power supply
• Booster circuit incorporated : Switchable 3 or 4 folds
• Dot display RAM : 100 x 51 bits
• Pictographic display RAM : 100 bits
• Pictographic display's duty changeable : 1/53 or 1/40 duty
• Output for full-dot : 100 segments and 52 commons
• Data input based on serial & 4-bit / 8-bit parallel switch over
• String resister to output bias level incorporated
• Selectable LCD driving bias level (select from 1/8 bias, 1/7 bias, 1/6 bias)
• Oscillation circuit incorporated
• D/A converter incorporated (for LCD driving voltage adjustment)
ORDERING INFORMATION
Part number
µPD16680W/P
Package
Wafer/Chip(Matched COG mounting)
Remark Purchasing the above products in term of chips per requires an exchange of other documents as well,
including a memorandum on the product quality. Therefore those who are interested in this regard are
advised to contact an NEC salesperson for further details.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S12694EJ2V0DS00(2nd edition)
Date Published July 1999 NS CP(K)
Printed in Japan
The mark • shows major revised points.
©
1997, 1999
1 page  
µPD16680
Table 2-1. Pad Layout (2/2)
Pin No.
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
Pin Name
SEG99
SEG98
SEG97
SEG96
SEG95
SEG94
SEG93
SEG92
SEG91
SEG90
SEG89
SEG88
SEG87
SEG86
SEG85
SEG84
SEG83
SEG82
SEG81
SEG80
SEG79
SEG78
SEG77
SEG76
SEG75
SEG74
SEG73
SEG72
SEG71
SEG70
SEG69
SEG68
SEG67
SEG66
SEG65
SEG64
SEG63
SEG62
SEG61
SEG60
SEG59
SEG58
SEG57
SEG56
SEG55
SEG54
SEG53
SEG52
SEG51
SEG50
SEG49
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
X(µm)
4410.0
4320.0
4230.0
4140.0
4050.0
3960.0
3870.0
3780.0
3690.0
3600.0
3510.0
3420.0
3330.0
3240.0
3150.0
3060.0
2970.0
2880.0
2790.0
2700.0
2610.0
2520.0
2430.0
2340.0
2250.0
2160.0
2070.0
1980.0
1890.0
1800.0
1710.0
1620.0
1530.0
1440.0
1350.0
1260.0
1170.0
1080.0
990.0
900.0
810.0
720.0
630.0
540.0
450.0
360.0
270.0
180.0
90.0
0.0
–90.0
–180.0
–270.0
–360.0
–450.0
–540.0
–630.0
–720.0
–810.0
–900.0
–990.0
–1080.0
–1170.0
–1260.0
–1350.0
–1440.0
Y(µm)
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
Pin No.
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
Pin Name
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
COM26
COM25
COM24
COM23
COM22
COM21
COM20
COM19
COM18
COM17
COM16
COM15
COM14
COM13
COM12
COM11
Dummy
Dummy
Dummy
Dummy
COM10
COM9
COM8
COM7
COM6
COM5
COM4
COM3
COM2
COM1
PCOM
Dummy
Dummy
X(µm)
–1530.0
–1620.0
–1710.0
–1800.0
–1890.0
–1980.0
–2070.0
–2160.0
–2250.0
–2340.0
–2430.0
–2520.0
–2610.0
–2700.0
–2790.0
–2880.0
–2970.0
–3060.0
–3150.0
–3240.0
–3330.0
–3420.0
–3510.0
–3600.0
–3690.0
–3780.0
–3870.0
–3960.0
–4050.0
–4140.0
–4230.0
–4320.0
–4410.0
–4500.0
–4590.0
–4680.0
–4770.0
–4860.0
–4950.0
–5040.0
–5130.0
–5220.0
–5310.0
–5400.0
–5490.0
–5580.0
–5670.0
–5760.0
–5850.0
–5940.0
–6030.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
–6112.0
Y(µm)
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
817.8
577.8
487.8
397.8
307.8
217.8
127.8
37.8
-52.2
-142.2
-232.2
-322.2
-412.2
-502.2
-592.2
-682.2
Data Sheet S12694EJ2V0DS00
5
5 Page 
µPD16680
5.2 LCD driving circuit
5.2.1 To use internal driving circuit, not to use D/A converter ( VEXT = L , DACHA = L )
When to internal driving circuit is chosen, boosted voltage be used for power of internal operational amplifier
adjusting LCD driving voltage. To connect external resister R1, R2, and input reference voltage to AMPIN(+) pin. It is
possible to adjust LCD driving voltage of VLC1 . If using thermistor to adjust LCD driving voltage according to the
temperature characteristic of LCD panel, we recommend connecting it with R2 in parallel.
The value of VLC1 can be computed by the following formula.
VLC1 = AMPIN(+) = (1+ R2′ ) VREF
R1
Remark R2′ =
R2 x Rth
R2 + Rth
Equation 5-1
Figure 5-2 When not using Internal power supply select or D/A converter
DACHA
VREF
AMPIN(+)
D/A
Converter
+
−
to Internal driving circuit
AMPIN(-)
AMPout
Rth
VLC1
R2
R1
C1
Data Sheet S12694EJ2V0DS00
11
11 Page | ||
| Páginas | Total 44 Páginas | |
| PDF Descargar | [ Datasheet UPD16680P.PDF ] | |
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