參數(shù)資料
型號(hào)： PCF85162T/1
廠商： NXP SEMICONDUCTORS
元件分類： 顯示驅(qū)動(dòng)器
英文描述： LIQUID CRYSTAL DISPLAY DRIVER, PDSO48
封裝： 6.10 MM, PLASTIC, MO-153, SOT362-1, TSSOP-48
文件頁數(shù)： 16/43頁
文件大小： 321K
代理商： PCF85162T/1
PCF85162_2
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 7 May 2010
23 of 43
NXP Semiconductors
PCF85162
Universal LCD driver for low multiplex rates
7.17 Command decoder
The command decoder identifies command bytes that arrive on the I2C-bus.
The commands available to the PCF85162 are defined in Table 8.
All available commands carry a continuation bit C in their most significant bit position as
shown in Figure 17. When this bit is set, it indicates that the next byte of the transfer to
arrive will also represent a command. If this bit is reset, it indicates that the command byte
is the last in the transfer. Further bytes will be regarded as display data (see Table 9).
[1]
The possibility to disable the display allows implementation of blinking under external control.
Table 8.
Definition of PCF85162 commands
Bit position labeled as - is not used.
Command
Operation Code
Reference
Bit
7
6
5
4
3
2
1
0
mode-set
C
1
0
-
E
B
M[1:0]
load-data-pointer
C
0
P[4:0]
device-select
C
110
0A[2:0]
bank-select
C
1
0
I
O
blink-select
C
1
0
AB
BF[1:0]
Table 9.
C bit description
Bit
Symbol
Value
Description
7C
continue bit
0
last control byte in the transfer; next byte will be regarded
as display data
1
control bytes continue; next byte will be a command too
Table 10.
Mode-set command bit description
Bit
Symbol
Value
Description
7C
0, 1see Table 9
6 to 5
-
10
fixed value
4
-
unused
3E
display status
0
disabled (blank)[1]
1
enabled
2B
LCD bias configuration
0
1
3 bias
1
2 bias
1 to 0
M[1:0]
LCD drive mode selection
01
static; BP0
10
1:2 multiplex; BP0, BP1
11
1:3 multiplex; BP0, BP1, BP2
00
1:4 multiplex; BP0, BP1, BP2, BP3
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