MAX7310AUE Maxim Integrated, MAX7310AUE Datasheet - Page 7

• Manufacturer Part Number: MAX7310AUE
• Description: Interface - I/O Expanders
• Manufacturer: Maxim Integrated
• Series: MAX7310r

Specifications of MAX7310AUE

• Maximum Operating Frequency: 400 KHz
• Operating Supply Voltage: 2.3 V to 5.5 V
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-16
• Output Current: 30 mA

Figure 5. Acknowledge
Figure 6. Slave Address
The first bits (MSBs) of the MAX7310 slave address are
always zero. Slave address bits AD2, AD1, and AD0
choose 1 of 56 slave ID addresses (Table 7).
The register address byte is the first byte to follow the
address byte during a read/write transmission. The reg-
Figure 4. Bit Transfer
BY TRANSMITTER
BY RECEIVER
SDA
SCL
SDA
SDA
SCL
START CONDITION
FIXED
MSB
2-Wire-Interfaced 8-Bit I/O Port Expander
0
S
_______________________________________________________________________________________
A5
SDA
SCL
1
DATA LINE STABLE; DATA VALID CHANGE OF DATA ALLOWED
A4
Registers
PROGRAMMABLE
A3
2
A2
ister address byte acts as a pointer to determine which
register is written or read.
The input port register is a read-only port. It reflects the
incoming logic levels of the I/O ports, regardless of
whether the pin is defined as an input or an output by
the configuration register. Writes to the input port regis-
ter are ignored.
A1
CLOCK PULSE FOR ACKNOWLEDGMENT
LSB
A0
8
R/W
with Reset
ACK
9
7