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參數(shù)資料
| 型號： | PCF85176T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Universal LCD driver for low multiplex rates |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, PDSO56 |
| 封裝： | 6.10 MM, PLASTIC, MO-153, SOT364-1, TSSOP-56 |
| 文件頁數(shù)： | 22/47頁 |
| 文件大?。?/td> | 405K |
| 代理商： | PCF85176T |
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PCF85176
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 27 June 2011
22 of 47
NXP Semiconductors
PCF85176
Universal LCD driver for low multiplex rates
Table 8.
Blink mode
off
1
[1]
The blink frequency is proportional to the clock frequency (f
clk
). For the range of the clock frequency see
Table 19
.
7.12 Command decoder
The command decoder identifies command bytes that arrive on the I
2
C-bus. The
commands available to the PCF85176 are defined in
Table 9
.
Table 9.
Bit position labelled as - is not used.
Command
Bit
mode-set
load-data-pointer
device-select
bank-select
blink-select
[1]
Not used.
All available commands carry a continuation bit C in their most significant bit position as
shown in
Figure 19
. When this bit is set logic 1, it indicates that the next byte of the
transfer to arrive will also represent a command. If this bit is set logic 0, it indicates that
the command byte is the last in the transfer. Further bytes will be regarded as display data
(see
Table 10
).
Table 10.
Bit
7
Blink frequencies
[1]
Blink frequency
-
2
3
f
blink
f
768
---------
=
f
blink
f
1536
------------
=
f
blink
f
3072
------------
=
Definition of PCF85176 commands
Operation Code
7
6
C
1
C
0
C
1
C
1
C
1
Reference
5
0
P[5:0]
1
1
1
4
-
[1]
3
E
2
B
1
M[1:0]
0
Table 11
Table 12
Table 13
Table 14
Table 15
0
1
1
0
1
0
A[2:0]
0
AB
I
BF[1:0]
O
C bit description
Symbol
C
Value
Description
continue bit
last control byte in the transfer; next byte will be regarded
as display data
control bytes continue; next byte will be a command too
0
1
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| PCF85176T/1,118 | 功能描述:LCD 驅(qū)動器 40 SGMT 2640Hz RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
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