Epson S1D13700 Manual

*-*-1 S1D13700 required procedure after power on

S1D13700 automatically set to power save mode after power on and reset pulse input (RESET#).
To make any command write active, S1D13700 must be set to normal operation mode.
Normal
Power save
operation
Power on
mode
mode
Under power save mode, clock distribution for S1D13700 internal circuits are stopped (*1) and
all of the operations are stopped at all.
It results no command acquisition and all of the S1D13700 output for LCD driver are indefinite
except for YDIS output (This signal indicates LCD power down state. The output level is 'L'
during power save mode).
Under normal operation mode, clock distribution to internal circuits are active.
Setting S1D13700 to normal operation mode makes each command write active.
S1D13700 starts display output by writing the command DISPON (0x8009, C=59) after writing each
essential commands.
(*1: In case of using oscillator circuit, oscillation is active. However, the clock
distribution to internal circuits are stopped.)