PCF8576DTSLASH2 datasheet(27/52 Pages) NXP

tên linh kiện	PCF8576DT/2

Giải thích chi tiết về linh kiện	Universal LCD driver for low multiplex rates

PDF	52 Pages

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nhà sản xuất	NXP [NXP Semiconductors]

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27 / 52 page

PCF8576D_7

Product data sheet

Rev. 7 — 18 December 2008

27 of 52

NXP Semiconductors

PCF8576D

Universal LCD driver for low multiplex rates

[1]

The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.

[1]

Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.

[2]

Alternating RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.

7.18 Display controller

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.

Table 13.

Blink-select command bits description

Bit

Symbol

Value

Description

0, 1

see Table 8

6 to 3

1110

ﬁxed value

blink mode selection

normal blinking[1]

alternate RAM bank blinking[2]

1 to 0

BF[1:0]

blink frequency selection

off

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