PCF2119X Datasheet, PDF (35/68 Pages) NXP Semiconductors – LCD controllers/drivers

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acknowledgement
from PCF2119x
S
S 0 1 1 1 0 1 A 0 A 1 RS CONTROL BYTE A
0
DATA BYTE
slave address
R/W Co
2n ≥ 0 bytes
A 0 RS CONTROL BYTE A
1 byte
Co
DATA BYTE
AP
n ≥ 0 bytes
update
data pointer
MGK899
S
011101A0
0
PCF2119x
slave address R/W
Fig.24 Master transmits to slave receiver; write mode.