PCF2103 查看數據表（PDF） - Philips Electronics

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PCF2103

LCD controller/drivers

Philips Electronics 

Philips Semiconductors

LCD controllers/drivers

Product specification

PCF2103 family

7.15 Reset function

The PCF2103 automatically initializes (resets) when power is turned on. The reset executes a ‘clear display’ instruction,

requiring 165 oscillator cycles. After the reset the chip has the state shown in Table 5.

Table 5 State after reset

STEP

INSTRUCTION

RESET STATE (BIT/REGISTER) RESET STATE (DESCRIPTION)

1 clear display

2 entry mode set

I/D = 1

+1 (increment)

S=0

no shift

3 display control

D=0

display off

C=0

cursor off

B=0

cursor character blink off

4 function set

DL = 1

8-bit interface

M=0

1-line display

H=0

normal instruction set

5 default address pointer to DDRAM; the Busy Flag (BF) indicates the busy state (BF = 1) until initialization

ends; the busy state lasts 2 ms; the chip may also be initialized by software; see Tables 16 and 17

6 icon control

IM, IB = 00

icons/icon blink disabled

7 display/screen configuration

8 I2C-bus interface reset

L, P, Q = 000

default configurations

1998 May 11

16

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