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參數資料
| 型號： | PC2119SU |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | KPTC 18C 18#20 PIN PLUG |
| 中文描述： | LCD控制器/驅動器 |
| 文件頁數： | 29/60頁 |
| 文件大?。?/td> | 260K |
| 代理商： | PC2119SU |
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1999 Mar 02
29
Philips Semiconductors
Product specification
LCD controllers/drivers
PCF2119x
9.5
Normal/icon mode operation
9.6
Screen configuration
L: default is L = 0.
L = 0: the two halves of a split screen are connected in a
standard way i.e. column 1/81, 2/82 to 80/160.
L = 1: the two halves of a split screen are connected in a
mirrored way i.e. column 1/160, 2/159 to 80/81. This
allows single layer PCB or glass layout.
9.7
Display configuration
P, Q: default is P, Q = 0.
P = 1: mirrors the column data.
Q = 1: mirrors the row data.
9.8
TC1 and TC2
Default is TC1 and TC2 = 0. This selects the default
temperature coefficient for the internally generated V
LCD
.
TC1 and TC2 = 10, 01 and 11 selects alternative
temperature coefficients 1, 2 and 3 respectively.
9.9
Set V
LCD
The V
LCD
value is programmed by instruction. Two on-chip
registers hold V
LCD
values for the character mode and the
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
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 the V
LCD
generator is also disabled.
3.
Send ‘function set’ instruction with H = 0 to resume
normal programming.
IM
CONDITION
V
LCD
0
1
character mode
icon mode
generates V
A
generates V
B
9.10
Reducing current consumption
Reducing current consumption can be achieved by one of
the options given in Table 10.
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 10
Reducing current consumption
Table 11
Use of the V
A
and V
B
registers
ORIGINAL MODE
ALTERNATIVE MODE
Character mode
Display on
Any mode
icon mode (control bit IM)
display off (control bit D)
power-down (PD pad)
MODE
V
A
V
B
Normal operation V
LCD
character
mode
V
LCD
icon mode
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相關代理商/技術參數 |
參數描述 |
|---|---|
| PC2119SU/2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controllers/drivers |
| PC2119V | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controllers/drivers |
| PC2119VU | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controllers/drivers |
| PC2119VU/2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD controllers/drivers |
| PC-211-E-69 | 制造商: 功能描述: 制造商:undefined 功能描述: |
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