pcf85176 NXP Semiconductors, pcf85176 Datasheet - Page 24

• Manufacturer Part Number: pcf85176
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF85176_1
Product data sheet
Table 11.
Table 12.
Table 13.
[1]
Table 14.
[1]
[2]
Bit
7
6
5 to 0
Bit
7
6 to 3
2 to 0
Bit
7
6 to 2
1
0
Bit
7
6 to 3
2
1 to 0
The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.
Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
Alternate RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
Symbol
C
-
P[5:0]
Symbol
C
-
A[2:0]
Symbol
C
-
I
O
Symbol
C
-
A
BF[1:0]
Load-data-pointer command bit description
Device-select command bit description
Bank-select command bit description
Blink-select command bit description
All information provided in this document is subject to legal disclaimers.
0, 1
000000 to
0, 1
000 to 111
0, 1
Value
0
100111
Value
1100
Value
0, 1
11110
0
1
0
1
Value
1110
0
1
00
01
10
11
Rev. 01 — 14 April 2010
Description
see
fixed value
6 bit binary value, 0 to 39; transferred to the data pointer to
define one of forty display RAM addresses
Description
see
fixed value
3 bit binary value, 0 to 7; transferred to the subaddress
counter to define one of eight hardware subaddresses
Description
see
fixed value
blink mode selection
blink frequency selection
Description
Static
see
fixed value
input bank selection; storage of arriving display data
output bank selection; retrieval of LCD display data
normal blinking
alternate RAM bank blinking
off
1
2
3
RAM bit 0
RAM bit 2
RAM bit 0
RAM bit 2
Table 9
Table 9
Table 9
Table 9
Universal LCD driver for low multiplex rates
[1]
[2]
1:2 multiplex
RAM bits 0 and 1
RAM bits 2 and 3
RAM bits 0 and 1
RAM bits 2 and 3
PCF85176
© NXP B.V. 2010. All rights reserved.
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