pcf2119x-2 NXP Semiconductors, pcf2119x-2 Datasheet - Page 34

• Manufacturer Part Number: pcf2119x-2
• Description: Controllers/drivers
• Manufacturer: NXP Semiconductors

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dbook, full pagewidth
Philips Semiconductors
28. August 2000
LCD controllers/drivers
Fig.24 Master reads slave immediately after first byte; read mode (RS previously defined).
SDA
SDA
SCL
MGA728
S
ADDRESS
SLAVE
t BUF
acknowledgement
from PCF2113x
S
A
0
t HD;STA
R/W
1 A
Co
Fig.25 I
t LOW
DATA BYTE
2
t r
n bytes
C-bus timing diagram.
t SU;STA
acknowledgement
34
from master
data pointer
update
A
t HD;DAT
DATA BYTE
last byte
t HIGH
no acknowledgement
t f
from master
data pointer
t SU;DAT
update
1
P
t
SU;STO
PCF2119x-2
MGG004
Product specification