ST7576 Datasheet, PDF (29/54 Pages) Sitronix Technology Co., Ltd. – 66 x 102 Dot Matrix LCD Controller/Driver

ST7576
7. RESET CIRCUIT
Setting RESB to “L” or Reset instruction can initialize internal function.
When RESB becomes “L”, following procedure is occurred.
Page address: 0
Column address: 0
Display control: Display blank
COM Scan Direction MY: 0
SEG Select Direction MX: 0
DO=0
Oscillator: OFF
Power down mode (PD = 1)
normal instruction set (H[1:0] = 00)
Display blank (E = D = 0)
Address counter X [6:0] = 0, Y [3:0] = 0
Bias system: depend on Hardware (BR) setting
Booster stage: depend on Hardware (CP) setting
V0 is equal to 0; the HV generator is switched off (VOP [6:0] = 0)
After power-on, RAM data are undefined
While RESB is “L” or reset instruction is executed, no instruction except read status can be accepted. Reset
status appears at D0. After D0 becomes ”L”, any instruction can be accepted. RESB must be connected to the
reset pin of the MPU, and initialize the MPU and this LSI at the same time. The initialization by RESB is
essential before used.
Ver 1.0
29/54
2007/01/29