PCF8562TT-2 NXP [NXP Semiconductors], PCF8562TT-2 Datasheet - Page 24

• Manufacturer Part Number: PCF8562TT-2
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF8562
Product data sheet
7.13 Display controller
Table 14.
[1]
Table 15.
[1]
[2]
The display controller executes the commands identified by the command decoder. It
contains the device’s status registers and coordinates their effects. The display controller
is also responsible for loading display data into the display RAM in the correct filling order.
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
-
I
O
Symbol
C
-
AB
BF[1:0]
Bank-select command bit description
Blink-select command bit description
All information provided in this document is subject to legal disclaimers.
0, 1
1110
Value
0, 1
11110
0
1
0
1
Value
0
1
00
01
10
11
Rev. 6 — 16 June 2011
Description
Static
see
fixed value
input bank selection; storage of arriving display data
output bank selection; retrieval of LCD display data
Description
see
fixed value
blink mode selection
blink frequency selection
RAM bit 0
RAM bit 2
RAM bit 0
RAM bit 2
normal blinking
alternate RAM bank blinking
off
1
2
3
Table 10
Table 10
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
PCF8562
© NXP B.V. 2011. All rights reserved.
[1]
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