MAX7313AEG+T Maxim Integrated Products, MAX7313AEG+T Datasheet - Page 23

• Manufacturer Part Number: MAX7313AEG+T
• Description: IC I/O EXPANDER I2C 16B 24QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX7313AEG+T

• Interface: I²C
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 14. Output Intensity Registers (continued)
Table 15. MAX7311, PCA9535, and PCA9555 Register Compatibility
Inputs P15–P0
Outputs P15–P0
Polarity inversion
Configuration
No registers
No register
No register
No registers
Control, Interrupt, and Hot-Insertion Protection
Read back output P11, P10 intensity
Read back output P13, P12 intensity
Read back output P15, P14 intensity
Read back output P9, P8 intensity
REGISTER
MAX7311,
OUTPUTS P11, P10 INTENSITY
OUTPUTS P15, P14 INTENSITY
PCA9535,
PCA9555
OUTPUTS 13, P12 INTENSITY
OUTPUTS P9, P8 INTENSITY
Write output P11, P10 intensity
Write output P13, P12 intensity
Write output P15, P14intensity
Write output P9, P8 intensity
OUTPUT O16 INTENSITY
REGISTER
______________________________________________________________________________________
16-Port I/O Expander with LED Intensity
0x0B, 0x0C Blink phase 1 registers
ADDRESS
0x00, 0x01
0x02, 0x03
0x04, 0x05
0x06, 0x07
0x10–0x17
0x0E
0x0F
Inputs registers
Blink phase 0 registers
Not implemented; register writes are
ignored; register reads return 0x00
Ports configuration registers
Master, O16 intensity register
Configuration register
Outputs intensity registers
MAX7313 IMPLEMENTATION
R/W
0
1
0
1
0
1
0
1
ADDRESS
CODE
(HEX)
0x14
0x15
0x16
0x17
P11I3
P13I3
P15I3
MSB
MSB
MSB
MSB
P9I3
D7
OUTPUT P11 INTENSITY
OUTPUT P13 INTENSITY
OUTPUT P15 INTENSITY
OUTPUT P9 INTENSITY
P11I2
P13I2
P15I2
P9I2
D6
See master, O16 intensity register (Table 13).
Implemented
Implemented
Implemented;
power-up default is
0x00
Not implemented
Not implemented
Not implemented
Not implemented
Not implemented
MAX7311, PCA9535,
IMPLEMENTATION
P11I1
P13I1
P15I1
P911
D5
PCA9555
REGISTER DATA
P11I0
P13I0
P15I0
LSB
P9I0
LSB
LSB
LSB
D4
P10I3
P12I3
P14I3
MSB
MSB
MSB
MSB
P8I3
D3
OUTPUT P10 INTENSITY
OUTPUT P12 INTENSITY
OUTPUT P14 INTENSITY
OUTPUT P8 INTENSITY
Same functionality
Same functionality
If polarity inversion feature
is unused, MAX7313
defaults to correct state
Same functionality
Power-up default disables
the blink and intensity
(PWM) features
P10I2
P12I2
P14I2
P812
D2
COMMENTS
P10I1
P12I1
P14I1
P811
D1
P10I0
P12I0
P14I0
P810
LSB
LSB
LSB
LSB
D0
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