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HD66787 Datasheet, PDF (154/159 Pages) Renesas Technology Corp – 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat
HD66787
Preliminary
T.B.D. OSC1
The oscillation frequency may vary
Rf
depending on the capacitors for OSC1, OSC2 pins.
OSC2
Place OSC1 and OSC2 close to each other.
External Resistance Value and R-C Oscillation Frequency (Referential Data)
External
Resistance
(Rf)
110 kΩ
150 kΩ
180 kΩ
200 kΩ
240 kΩ
270 kΩ
300 kΩ
390 kΩ
430 kΩ
R-C Oscillation Frequency: fosc
Vcc = 1.8
V
Vcc = 2 V
Vcc = 2.4 V Vcc = 3 V
299
333
372
401
234
258
284
305
202
222
243
258
T.B.D. 186
203
222
235
160
173
188
198
145
157
169
177
132
143
153
161
106
113
121
126
97
104
110
115
Vcc = 3.3 V
411
311
263
240
202
181
163
128
116
11. Applies to the internal oscillator operations using external oscillation resistor Rf (figure and table).
Reference data
70
Vcc =3V, VLCD = 5.5V, VDH = 5.0V,
60
50
40
30
20
R-C Oscillation; fosc = 270kHz (240line),
T.B.D. Ta = 25 Centigrade, REV = "0", SAP ="001",
VRN4-0 = "0", VRP4-0 = "0",
PKP52-00 = "0", PRP12-00 ="0",
PKN52-00 = "0", PRN12-00 ="0",
All pins chnge at the same time from same grayscale.
10
The time till output level reaches +/-35mV when VCOM polarity changes.
Load resistance R = 10kΩ/pin
10
20
30
Load CapacityC(pF)
Rev.0.22, May.23.2003, page 154 of 159