STE2001 Datasheet, PDF (2/36 Pages) STMicroelectronics – 65 X 128 SINGLE CHIP LCD CONTROLLER / DRIVER

STE2001
PIN DESCRIPTION
N°
Pad
Type
Function
R0 to R64 1 to 16
O LCD Row Driver Output
145 to 177
257 to 272
C0 to C127 17 to 144
O LCD Column Driver Output
VSS1,2 227 to 238 GND Ground pads. VSS1 is GND for VDD1, VSS2 for VDD2 and VDD3
VDD1 186 to 191 Supply IC Positive Power Supply
VDD2,3 192 to 201 Supply Internal Generator Supply Voltages.
VLCDIN 246 to 251 Supply LCD Supply Voltages for the Column and Row Output Drivers.
VLCDOUT 239 to 244 Supply Voltage Multiplier Ouput
VLCDSENSE
245
Supply Voltage Multiplier Regulation Input. V_LCDOUT Sensing for Output Voltage Fine
Tuning
SEL1,2 183, 184
I
Interface Mode Selection
SDA_IN
223
I
I²C Bus Data In
SDA_OUT
222
O
I²C Bus Data Out
SCL
224
I
I²C bus Clock
SA0
225
I
I²C Slave Address LSB
OSC
185
I
External Oscillator Input
RES
221
I
Reset Input. Active Low.
DB0 to 211 to 218
I
Parallel Interface 8 Bit Data Bus
DB7
E
220
I
Parallel Interface Data Latch Signal. Data are Latched on the Falling EDGE.
PD/C
219
I
Parallel Interface Data/Command Selector
SDIN
207
I
Serial Interface Data Input
SCLK
210
I
Serial Interface Clock
SCE
209
I
Serial Interface ENABLE. When Low the Incoming Data are Clocked In.
SD/C
208
I
Serial Interface Data/Command selection
BSYFLG
206
O Active Procedure Flag. Notice if There is an ongoing Internal Operation. Active
Low.
T1 to T13
178 to 181
202 to 205
226
252 to 256
I/O Test Pads.
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