[6]
I2C Interface:
I2C interface requires 2 lines, Serial Data and Serial Clock.
Both lines must be connected to the positive supply via a
pull-up resistor. Data transfer may be initiated only when the bus is not busy.
Bit transfer:
One data bit is transferred during each clock pulse. The data on the SDA line must remain stable during
the HIGH
period of the clock pulse, changes in the data line at this time will be interpreted as a control signal.
Start and Stop conditions:
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW transition of the data line while the
clock is HIGH is define as the START condition. A LOW-to-HIGH transition of the data line while the clock is HIGH is
defined as the STOP condition.
Acknowledge:
Each byte of eight bits is followed by an acknowledge bit. The ACK bit is a HIGH signal put on the bus by the
transmitter, during which time the master generates an extra ACK related clock pulse. The LCD generates an ACK after
the reception of each byte. The LCD will pull-down the SDA line during the ACK clock pulse, so that the SDA line is
stable LOW during the HIGH period of the ACK clock pulse.
Slave Address = 0x3F
相关PDF资料
NHD-C24064WO-ATFH#-3V3 LCD COG GRAPH 240X64 WH TRANSFL
NHD-LCC0216AZ-FN-GBW LCD COG CHAR 2X16 NO TRANSFL
NRVBB2060CTT4G DIODE SCHOTTKY 20A 60V D2PAK
NRVBB30H30CT-1G DIODE SCHOTTKY 30A 30V I2PAK
NRVBB30H60CTT4G DIODE SCHOTTKY 30A 60V D2PAK
NRVBD1035CTLT4G DIODE SCHOTTKY 10A 35V DPAK
NRVUD620CTG DIODE ULT FAST 200V 3A DPAK-4
NSDEMN11XV6T1G DIODE SWITCH QUAD CC 80V SOT563
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