MAX7314AEG+ Maxim Integrated Products, MAX7314AEG+ Datasheet - Page 13

• Manufacturer Part Number: MAX7314AEG+
• Description: IC I/O EXPANDER I2C 16B 24QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX7314AEG+

• Interface: I²C
• Number Of I /o: 18
• 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 4. Configuration Register
X = Don’t care.
output is controlled by the O0 and O1 bits
INT/O16 output is high impedance during
INT/O16 output is high impedance during
Disable global intensity control—intensity
is set by registers 0x10–0x17 for ports P0
through P15 when configured as outputs,
INT/O16 outp ut i s l ow d ur i ng b l i nk p hase 0
INT/O16 outp ut i s l ow d ur i ng b l i nk p hase 1
INT/O16 when INT/O16 pin is configured
Enable global intensity control—intensity
INT/O16 output is high impedance (blink
Disable data change interrupt—INT/O16
INT/O16 output is low (blink is disabled)
Enable data change interrupt—INT/O16
for all ports configured as outputs is set
output is controlled by port input data
and by D3–D0 of register 0x0E for
Read back device configuration
Flip blink register (see text)
by D3–D0 of register 0x0E
Write device configuration
CONFIGURATION
as an output port
blink phase 0
blink phase 1
Disable blink
Enable blink
is disabled)
REGISTER
change
18-Port GPIO with LED Intensity Control,
______________________________________________________________________________________
Interrupt, and Hot-Insertion Protection
R/W
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
1
ADDRESS
CODE
(hex)
0x0F
INT
D7
X
X
X
X
X
X
X
X
X
X
X
X
X
X
BLINK
D6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
O1
D5
X
X
X
X
X
X
X
X
X
X
X
X
0
1
REGISTER DATA
O0
D4
X
X
X
X
X
X
X
X
0
1
0
1
X
X
D3
X
X
X
X
X
X
0
1
0
0
0
0
0
0
I
D2
G
X
X
X
X
X
X
X
X
X
X
X
X
0
1
D1
B
X
X
0
1
X
X
X
X
X
X
X
X
X
X
D0
E
X
X
X
X
0
1
1
1
0
0
1
1
1
1
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