參數(shù)資料
型號： PCF2119X-2
廠商： NXP Semiconductors N.V.
英文描述： LCD controllers/drivers
中文描述： LCD控制器/驅(qū)動器
文件頁數(shù)： 18/60頁
文件大?。?/td> 284K
代理商： PCF2119X-2
28. August 2000
18
Philips Semiconductors
Product specification
LCD controllers/drivers
PCF2119x-2
7.17
Reset function
The PCF2119x must be reset externally when power is turned on. The reset executes a ‘clear display’, requiring
165 oscillator cycles. After the reset the chip has the state shown in Table 4.
Table 4
State after reset
STEP
FUNCTION
CONTROL BIT STATE
CONDITION
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 18 and 19
icon control
IM, IB, DM = 000
6
icons, icon blink and direct
mode disabled
default configurations
default temperature coefficient
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 (V
LCD
generator off)
S1, S0 = 10
HVgen set to 3 internal stages
(4 * voltage multiplier)
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