PCF2114AU/10 PHILIPS [NXP Semiconductors], PCF2114AU/10 Datasheet - Page 49

• Manufacturer Part Number: PCF2114AU/10
• Description: LCD controller/drivers
• Manufacturer: PHILIPS [NXP Semiconductors]

Notes
1. X = don’t care.
2. SDA is left at high-impedance by the microcontroller during the READ acknowledge.
STEP
24
25
26
read data: 8
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Ack
0
read data: 8
DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Ack
0
I
2
C STOP
1
1
0
0
SCL + master acknowledge; note 2
SCL + no master acknowledge; note 2
0
0
I
2
C BYTE
1
1
0
0
0
0
0
1
0
1
PHILIPS
PHILIPS
PHILIPS
DISPLAY
8
acknowledge code of ‘I’ is loaded into the I
No master acknowledge; After the content of the I
register is shifted out no internal action is performed. No new
data is loaded to the interface register, Data Register (DR) is not
updated, Address Counter (AC) is not incremented and cursor is
not shifted.
SCL; code of letter ‘H’ is read first. During master
OPERATION
2
C interface.
2
C interface