lc75864w Sanyo Semiconductor Corporation, lc75864w Datasheet - Page 18

• Manufacturer Part Number: lc75864w
• Description: 1/4 Duty Lcd Display Drivers With Key Input Function
• Manufacturer: Sanyo Semiconductor Corporation

2. LC75864E/W internal block states during the reset period
V
V
TEST
• CLOCK GENERATOR
• COMMON DRIVER, SEGMENT DRIVER & LATCH
• KEY SCAN
• KEY BUFFER
• CCB INTERFACE, CONTROL REGISTER, SHIFT REGISTER
V
OSC
LCD
LCD
V
V
LCD
DO
Reset is applied and the base clock is stopped. However, the OSC pin state (normal or sleep mode) is determined
after the S0 and S1 control data bits are transferred.
Reset is applied and the display is turned off. However, display data can be input to the latch circuit in this state.
Reset is applied, the circuit is set to the initial state, and at the same time the key scan operation is disabled.
Reset is applied and all the key data is set to low.
Since serial data transfer is possible, these circuits are not reset.
CE
CL
DD
SS
DI
1
2
VDET
GENERATOR
COMMON
DRIVER
CLOCK
INTERFACE
CCB
LC75864E, 75864W
REGISTER
CONTROL
SEGMENT DRIVER & LATCH
SHIFT REGISTER
KEY BUFFER
KEY SCAN
Blocks that are reset
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