參數(shù)資料
型號(hào)： PCF21132
廠商： NXP Semiconductors N.V.
英文描述： LCD controller/driver(LCD控制器/驅(qū)動(dòng)器)
中文描述： LCD控制器/驅(qū)動(dòng)器（液晶顯示控制器/驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 29/60頁(yè)
文件大?。?/td> 392K
代理商： PCF21132
1997 Apr 04
29
Philips Semiconductors
Product specification
LCD controller/driver
PCF2113x
10.5
Normal/Icon mode operation
10.6
Screen configuration
L: default is L = logic 0.
L = logic 0: the two halves of a split screen are connected
in a standard way i.e. column 1/61, 2/62 to 60/120.
L = logic 1: the two halves of a split screen are connected
in a mirrored way i.e. column 1/120, 2/119 to 60/61.
This allows single layer PCB or glass layout.
10.7
Display configuration
P, Q: default is P, Q = logic 0.
P = logic 1 mirrors the column data.
Q = logic 1 mirrors the row data.
10.8
TC1, TC2
Default is TC1, TC2 = logic 0. This selects the default
temperature coefficient for the internally generated V
LCD
.
TC1,TC2 = 10,01 and 11 selects alternative temperature
coefficients 1, 2 and 3 respectively.
10.9
Set V
LCD
V
LCD
value is programmed by instruction. Two on-chip
registers hold V
LCD
values for character mode and icon
mode respectively (V
A
and V
B
). The generated V
LCD
value
is independent of V
DD
, allowing battery operation of the
chip. V
B
must be programmed to FF in character mode (i.e.
using V
A
) and V
A
must be programmed to 00 in icon mode.
Note:
If internally generated V
LCD
must not be lower
than V
DD
.
Note:
IM
CONDITION
V
LCD
0
1
character mode
icon mode
generates V
A
generates V
B
V
DD
4V
≤
V
LCD
programming:
1.
send ‘Function set’ instruction with H = 1
2.
send ‘Set V
LCD
’ instruction to write to voltage register:
a) DB7, DB6 = 10: DB5 to DB0 are V
LCD
of character
mode (V
A
)
b) DB7, DB6 = 11: DB5 to DB0 are V
LCD
of icon mode
(V
B
)
c) DB5 to DB0 = 000000 switches V
LCD
generator off
(when selected)
d) During ‘display off’ and power-down V
LCD
generator is also disabled
3.
send ‘Function set’ instruction with H = 0 to resume
normal programming.
10.10 Reducing current consumption
Reducing current consumption can be achieved by one of
the options mentioned in Table 10.
Table 10
Reducing current consumption
When V
LCD
lies outside the V
DD
range and must be
generated, it is usually more efficient to use the on-chip
generator than an external regulator.
Table 11
Use of the V
A
and V
B
registers
ORIGINAL
MODE
ALTERNATIVE MODE
Character mode
Display on
icon mode (control bit IM)
display off (control bit D)
MODE
V
A
V
B
Normal operation V
LCD
character
mode
V
LCD
icon mode
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF2113A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver
PCF2113AH 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
PCF2113AU 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controllers/drivers
PCF2113AU/10/F2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controller/driver
PCF2113AU/10/F4 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controllers/drivers
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