PC85132/232-1 データシートの表示（PDF） - NXP Semiconductors.

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PC85132/232-1

LCD driver for low multiplex rates

NXP Semiconductors. 

NXP Semiconductors

PCA85132

LCD driver for low multiplex rates

7.1.2 Command: load-data-pointer

The load-data-pointer command defines the display RAM address where the following

display data will be sent to.

Table 7. Load-data-pointer-MSB - command bit description

See Section 7.5.1 on page 24.

Bit

Symbol

Value

Description

7 to 4

-

0000

fixed value

3 to 0

P[7:4]

0000[1] to

1001

defines the first 4 (most significant) bits of the

data-pointer

the data-pointer indicates one of the 160 display RAM

addresses

[1] Default value.

Table 8. Load-data-pointer-LSB - command bit description

See Section 7.5.1 on page 24.

Bit

Symbol

Value

Description

7 to 4

-

0100

fixed value

3 to 0

P[3:0]

0000[1] to

1111

defines the last 4 (least significant) bits of the

data-pointer

the data-pointer indicates one of the 160 display RAM

addresses

[1] Default value.

7.1.3 Command: device-select

The device-select command allows defining the subaddress counter value.

Table 9. Device-select - command bit description

See Section 7.5.2 on page 24.

Bit

Symbol

Value

Description

7 to 2

-

1110 00

fixed value

1 to 0

A[1:0]

00[1] to 11

defines one of four hardware subaddresses

(see Table 23 on page 44)

[1] Default value.

7.1.4 Command: bank-select

The bank-select command controls where data is written to RAM and where it is displayed

from.

Table 10. Bank-select - command bit description

See Section 7.5.4 on page 25.

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 row 0

RAM rows 0 and 1

1

RAM row 2

RAM rows 2 and 3

PCA85132

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 4 — 9 April 2015

© NXP Semiconductors N.V. 2015. All rights reserved.

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