參數資料
型號: PCF2113X
廠商: NXP Semiconductors N.V.
英文描述: LCD controllers/drivers
中文描述: LCD控制器/驅動器
文件頁數: 22/72頁
文件大?。?/td> 332K
代理商: PCF2113X
2001 Dec 19
22
Philips Semiconductors
Product specification
LCD controllers/drivers
PCF2113x
7.16
Reset function
The PCF2113x automatically initializes (resets) when power is turned on. The chip executes a reset sequence, including
a ‘clear display’, requiring 165 oscillator cycles. After the reset the chip has the state shown in Table 3.
Table 3
State after reset
STEP
FUNCTION
CONTROL BIT STATE
CONDITIONS
1
2
clear display
entry mode set
I/D = 1
S = 0
D = 0
C = 0
B = 0
DL = 1
M = 0
H = 0
SL = 0
+1 (increment)
no shift
display off
cursor off
cursor character blink off
8-bit interface
1-line display
normal instruction set
MUX 1 : 18 mode
3
display control
4
function 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 17 and 18
icon control
IM = 0; IB = 0; DM = 0
6
icons, icon blink and direct
mode disabled
default configurations
default temperature coefficient
V
LCD
generator off
7
8
9
10
11
display/screen configuration
V
LCD
temperature coefficient
set V
LCD
I
2
C-bus interface reset
Set HVgen stages
L = 0; P = 0; Q = 0
TC1 = 0; TC2 = 0
V
A
= 0; V
B
= 0
S1 = 1; S0 = 0
V
LCD
generator voltage
multiplier set at factor 4
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