AN.No.G1216B1N000-3D0E

3.3Reset Function

Setting the RST terminal to a low level when the power is on allows for initial setup.

￿Display OFF

Display start line register: Set address 0.

While the RST remains at a low level, instructions other than the status read cannot be accepted. Execute other instructions after confirming that DB4=0 (reset release) and DB7=0 (ready) , using the status read instruction.

The power conditions for power-on initial setup are as follows:.

Item

Symbol

Min

Typ￿.

Max￿

unit￿

 

 

 

 

 

 

Reset time

tRST

1￿.0

 

 

s

 

 

 

 

 

 

Rise time

tr

 

 

200

ns

 

 

 

 

 

 

4.5V

VDD

RST

tRST

tr

0.7VDD

0.3VDD

If the RESET is executed during operation, retention of the contents of all registers (excluding an ON/OFF register) and the RAM is not guaranteed. Always set them again.

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Seiko Instruments G1216B1N000 user manual Reset time, Rise time 200