PEDL9090-02
¡ Semiconductor
ML9090-01,-02
Power-On Flow Chart
Power turned on
Reset is input
CS = "L"
5ms external reset or power-on reset
Chip enable
Start byte register setting
Data register settings
CS = "H"
Control register 1 setting
INC, WLS, KT, DTY1, DTY2 settings
according to specifications
CS = "L"
Start byte register settings
Data register settings
CS = "H"
Port register A, port register B, display data
register settings according to specifications
PA0, PB0 to PB7, D0 to D7 settings
NO
Is input of initial
screen data complete?
YES
CS = "L"
Start byte register setting
Data register setting
CS = "H"
Control register 1 setting
Setting the DISP bit to "1" starts the initial
screen display.
Normal operation
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