PC8576C-1 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PC8576C-1' PDF : 57 Pages View PDF
NXP Semiconductors
PCF8576C
Universal LCD driver for low multiplex rates
7.18.3 Device-select command
Table 11. Device-select command bit description
Bit
Symbol Value
Description
7
C
0, 1
see Figure 20
6 to 4 -
110 0
fixed value
3 to 0
A[2:0]
000 to 111 3 bit binary value, 0 to 7; transferred to the subaddress
counter to define one of eight hardware subaddresses
7.18.4 Bank-select command
Table 12. Bank-select command bit description
Bit
Symbol Value
Description
Static
1:2 multiplex[1]
7
C
0, 1
see Figure 20
6 to 2 -
11110
fixed value
1
I
input bank selection; storage of arriving display data
0
RAM bit 0
RAM bits 0 and 1
1
RAM bit 2
RAM bits 2 and 3
0
O
output bank selection; retrieval of LCD display data
0
RAM bit 0
RAM bits 0 and 1
1
RAM bit 2
RAM bits 2 and 3
[1] The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.
7.18.5 Blink-select command
Table 13. Blink-select command bit description
Bit
Symbol Value
Description
7
C
0, 1
see Figure 20
6 to 3 -
111 0
fixed value
2
AB
blink mode selection
0
normal blinking[1]
1
alternate RAM bank blinking[2]
1 to 0 BF[1:0]
blink frequency selection
00
off
01
1
10
2
11
3
[1] Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
[2] Alternate RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
7.19 Display controller
The display controller executes the commands identified by the command decoder. It
contains the status registers of the PCF8576C and coordinates their effects. The
controller is also responsible for loading display data into the display RAM as required by
the filling order.
PCF8576C
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 10 — 22 July 2010
© NXP B.V. 2010. All rights reserved.
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