FD2000

Rev1.0

12/37

7. RESET FUNCTION

The FD2000 is reset when a low level is applied to the RESETB pin at power on and, in normal mode. On a reset

the FD2000 create a display with all LCD panels turned off. However, after a reset applications must set the

contents of DCRAM, ADRAM, and CGRAM before turning on display with a “display on/off control” instruction

since the contents of these memories are undefined. That is, applications must execute the following instructions.

− Set display technique

− DCRAM data write

− ADRAM data write (If ADRAM is used.)

− CGRAM data write (If CGRAM is used.)

− Set AC address

After executing the above instructions, applications must turn on the display with a “display on/off control”

instruction. Note that when applications turn off in the normal mode, applications must turn off the display with a

“display on/off control” instruction. (See the detailed instruction descriptions.)