MAX3353E Maxim Integrated Products, MAX3353E Datasheet - Page 12

• Manufacturer Part Number: MAX3353E
• Description: USB On-the-Go Charge Pump
• Manufacturer: Maxim Integrated Products

USB On-the-Go Charge Pump with Switchable
Pullup/Pulldown Resistors
Figure 6. Slave Address
Figure 7. Bit Transfer
Figure 9. Write Byte Format
Figure 10. Read Byte Format
12
SDA
SCL
SDA
SCL
______________________________________________________________________________________
Where:
Slave address: Part address
Register address: Selecting which register to write to
Data: Data byte being read by the master
R/W: Read/Write (R/W = 1: Read; R/W = 0: Write)
S: Start condition
RS
S
START
DATA LINES STABLE,
Where:
Slave address: Part address
Register address: Selecting which register to write to
Data: Data byte being read by the master
R/W: Read/Write (R/W = 1: Read; R/W = 0: Write)
S: Start condition
A
A
A
DATA VALID
S
6
6
7
A
A
A
A
5
5
6
6
MSB
PART ADDRESS
PART ADDRESS
A
A
0
A
A
DATA ALLOWED
5
5
4
4
CHANGE OF
7 bits
7 bits
PART ADDRESS
A
A
A
A
4
4
3
3
DATA
8 bits
7 bits
A
A
A
A
3
3
2
2
1
A
A
2
2
A
A
1
1
A
A
1
1
A
A
0
0
0
P: Stop condition
ACK: Acknowledge bit from the slave
NACK: Not acknowledged bit from the master
Blank: Master transmission
Shaded: Slave transmisstion
A
A
R/W
R/W
0
0
P: Stop condition
ACK: Acknowledge bit from the slave
NACK: Not acknowledged bit from the master
Blank: Master transmission
Shaded: Slave transmisstion
0
1
R/W
ACK
W
0
ACK
ACK
0
0
ACK
1
P
Figure 8. Acknowledge
TRANSMITTER
1
RECEIVER
REGISTER ADDRESS
SDA BY
SDA BY
SCL
CONDITION
REGISTER ADDRESS
START
DATA
8 bits
8 bits
S
0
8 bits
CLOCK PULSE FOR ACKNOWLEDGMENT
1
LSB
A0
2
R/W
8
NACK
ACK
ACK
1
0
ACK
P
9