pca85232 NXP Semiconductors, pca85232 Datasheet - Page 27

• Manufacturer Part Number: pca85232
• Description: Pca85232 Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCA85232
Product data sheet
Table 12.
[1]
Table 13.
[1]
Table 14.
[1]
[2]
Table 15.
[1]
[2]
[3]
Bit
7 to 4
3 to 0
Bit
7 to 2
1 to 0
Bit
7 to 2
1
0
Bit
7 to 3
2
1 to 0
Power-on and reset value.
Power-on and reset value.
The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.
Power-on and reset value.
Power-on and reset value.
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
-
I
O
Symbol
-
AB
BF[1:0]
Load-data-pointer-LSB command bit description
Device-select command bit description
Bank-select command bit description
Blink-select command bit description
Symbol
-
P[3:0]
Symbol
-
A[1:0]
All information provided in this document is subject to legal disclaimers.
11110
Value
111110
0
1
0
1
Value
0
1
00
01
10
11
[1]
Rev. 1 — 8 December 2010
[2]
[2]
[1]
Value
0100
0000
1111
Value
111000
00
[1]
[1]
to 11
Description
fixed value
blink mode selection
blink frequency selection
Description
Static
fixed value
input bank selection; storage of arriving display data
output bank selection; retrieval of LCD display data
to
normal blinking
alternate RAM bank blinking
off
1
2
3
RAM bit 0
RAM bit 2
RAM bit 0
RAM bit 2
Description
P3 to P0 defines the last 4 (least significant) bits of the
data pointer that indicates one of the 160 display RAM
addresses
Description
fixed value
transferred to the subaddress counter to define
one of four hardware subaddresses (see
fixed value
two bits of immediate data, bits A0 to A1, are
[2]
LCD driver for low multiplex rates
[3]
1:2 multiplex
RAM bits 0 and 1
RAM bits 2 and 3
RAM bits 0 and 1
RAM bits 2 and 3
PCA85232
© NXP B.V. 2010. All rights reserved.
[1]
Table
20)
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