PCF2113AUSLASH10SLASHF4 datasheet(39/65 Pages) NXP

39 / 65 page

PCF2113_FAM_4

Product data sheet

Rev. 04 — 4 March 2008

39 of 65

NXP Semiconductors

PCF2113x

LCD controllers/drivers

(1) Last data byte is a dummy byte (may be omitted).

Fig 26. Master reads after setting word address; write word address; set RS; ‘read data’

mgg003

S 011101

0 A

slave address

CONTROL BYTE A

DATA BYTE

CONTROL BYTE A

R/W

update

data pointer

update

data pointer

1 byte

≥ 0 bytes

n bytes

last byte

≥ 0 bytes

DATA BYTE(1)

acknowledgement

DATA BYTE

SLAVE

ADDRESS

DATA BYTE

acknowledgement

no acknowledgement

R/W

Fig 27. Master reads slave immediately after ﬁrst byte; read mode (RS previously deﬁned)

mgg004

update

data pointer

update

data pointer

n bytes

last byte

DATA BYTE

SLAVE

ADDRESS

DATA BYTE

acknowledgement

from PCF2113x

acknowledgement

from master

no acknowledgement

from master

R/W

Fig 28. System conﬁguration

mga807

SDA

SCL

MASTER

TRANSMITTER/

RECEIVER

MASTER

TRANSMITTER

SLAVE

TRANSMITTER/

RECEIVER

SLAVE

RECEIVER

MASTER

TRANSMITTER/

RECEIVER

PCF2113AU/10/F4 数据表(PDF) 39 Page - NXP Semiconductors

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PCF2113AU/10/F4 数据表(PDF) 39 Page - NXP Semiconductors

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