PC8532-1 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PC8532-1' PDF : 44 Pages View PDF
NXP Semiconductors
PCF8532
Universal LCD driver for low multiplex rates
Table 12.
Bit
7 to 2
1 to 0
Device-select command bits description
Symbol
Value
Description
-
111000
fixed value
A[1:0]
00[1] to 11
two bits of immediate data, bits A0 to A1, are
transferred to the subaddress counter to define
one of four hardware subaddresses
[1] Power-on and reset value.
Table 13. Bank-select command bits description
Bit
Symbol Value
Description
Static
1:2 multiplex[1]
7 to 2 -
111110
fixed value
1
I
input bank selection; storage of arriving display data
0[2]
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[2]
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.
[2] Power-on and reset value.
Table 14. Blink-select command bits description
Bit
Symbol Value
Description
7 to 3 -
11110
fixed value
2
A
blink mode selection
0[1]
normal blinking[2]
1
alternate RAM bank blinking[3]
1 to 0 BF[1:0]
blink frequency selection
00[1]
off
01
1
10
2
11
3
[1] Power-on and reset value.
[2] Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
[3] Alternating RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
PCF8532_1
Product data sheet
Rev. 1 — 10 February 2009
© NXP B.V. 2009. All rights reserved.
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