lc75804e Sanyo Semiconductor Corporation, lc75804e Datasheet - Page 26
lc75804e
Manufacturer Part Number
lc75804e
Description
1/3, 1/4 Duty Lcd Display Drivers With Key Input Function
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LC75804E.pdf
(37 pages)
- Current page: 26 of 37
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3. Output pin states during the reset period
X: don’t care
Notes:*5. These output pins are forcibly set to the segment output function and held low.
VLCD1
VLCD2
KS1/S75, KS2/S76
VLCD
TEST
COM1 to COM3
S1/P1 to S8/P8
*6. When power is first applied, this output pin is forcibly set to the common output function and held low. However, when the DT control data bit is
*7. When power is first applied, these output pins are undefined until the S0 and S1 control data bits have been transferred.
*8. Since this output pin is an open-drain output, a pull-up resistor of between 1 and 10 kΩ is required. This pin remains high during the reset period
VDD
VSS
OSC
KS3 to KS5
COM4/S74
Output pin
DO
DI
CL
CE
S9 to S73
transferred, either the common output or the segment output function is selected.
even if a key data read operation is performed.
KS6
DO
VDET
State during reset
X *7
H *8
L *5
L *6
L *5
GENERATOR
H
L
L
COMMON
DRIVER
CLOCK
INTERFACE
CCB
LC75804E, LC75804W
CONTROL
REGISTER
SEGMENT DRIVER & LATCH
SHIFT REGISTER
KEY BUFFER
KEY SCAN
Blocks that are reset
No. 6266-26/37
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