PC0801ARS-F datasheet(45/65 Pages) POWERTIP

Il numero della parte	PC0801ARS-F

Spiegazioni elettronici	OUTLINE DIMENSION & BLOCK DIAGRAM

PDF	65 Pages

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ST7066U

V2.0

2001/03/01

22/42

Reset Function

Initializing by Internal Reset Circuit

An internal reset circuit automatically initializes the ST7066U when the power is turned on. The

following instructions are executed during the initialization. The busy flag (BF) is kept in the busy state

until the initialization ends (BF = 1). The busy state lasts for 40 ms after VCC rises to 4.5 V.

1. Display clear

2. Function set:

DL = 1; 8-bit interface data

N = 0; 1-line display

F = 0; 5x8 dot character font

3. Display on/off control:

D = 0; Display off

C = 0; Cursor off

B = 0; Blinking off

4. Entry mode set:

I/D = 1; Increment by 1

S = 0; No shift

Note:

If the electrical characteristics conditions listed under the table Power Supply Conditions Using

Internal Reset Circuit are not met, the internal reset circuit will not operate normally and will fail

to initialize the ST7066U. For such a case, initialization must be performed by the MPU as

explain by the following figure.

PC0801ARS-F Scheda tecnica(PDF) 45 Page - Powertip Technology