MAX7301AAI+ Maxim Integrated Products, MAX7301AAI+ Datasheet - Page 12
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MAX7301AAI+
Manufacturer Part Number
MAX7301AAI+
Description
IC, I/O EXPANDER, 26MHZ, SSOP-28
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX7301AAIT.pdf
(17 pages)
Specifications of MAX7301AAI+
Bus Frequency
26MHz
No. Of I/o's
28
Supply Voltage Range
2.5V To 5.5V
Digital Ic Case Style
SSOP
No. Of Pins
28
Peak Reflow Compatible (260 C)
Yes
Ic Function
I/O Expander
Termination Type
SMD
Operating Temperature Range
-40°C To +125°C
Rohs Compliant
Yes
Filter Terminals
SMD
Leaded Process Compatible
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port I/O Expander
12
Figure 5. Maskable GPIO Ports P24 Through P31
______________________________________________________________________________________
P29
P26
P25
P30
P28
P27
P24
P31
GPIO/PORT OUTPUT LATCH
GPIO/PORT OUTPUT LATCH
GPIO/PORT OUTPUT LATCH
GPIO/PORT OUTPUT LATCH
GPIO/PORT OUTPUT LATCH
GPIO/PORT OUTPUT LATCH
GPIO/PORT OUTPUT LATCH
CONDITIONING
CONDITIONING
CONDITIONING
CONDITIONING
CONDITIONING
CONDITIONING
CONDITIONING
GPIO INPUT
GPIO INPUT
GPIO INPUT
GPIO INPUT
GPIO INPUT
GPIO INPUT
GPIO INPUT
CONFIGURATION REGISTER M BIT = SET
CONDITIONING
GPIO INPUT
OUTPUT LATCH
OUTPUT LATCH
GPIO/PORT
INT
GPIO/PORT OUT
GPIO/PORT OUT
GPIO/PORT OUT
GPIO/PORT OUT
GPIO/PORT OUT
GPIO/PORT OUT
GPIO/PORT OUT
GPIO IN
GPIO IN
GPIO IN
GPIO IN
GPIO IN
GPIO IN
GPIO IN
R
S
CLOCK PULSE WHEN WRITING CONFIGURATION REGISTER WITH M BIT SET
D
D
D
D
D
D
D
Q
Q
Q
Q
Q
Q
Q
MASK REGISTER BIT 6
MASK REGISTER BIT 5
MASK REGISTER BIT 4
MASK REGISTER BIT 3
MASK REGISTER BIT 2
MASK REGISTER BIT 1
GPIO/PORT OUT
CLOCK PULSE AFTER EACH READ ACCESS TO MASK REGISTER
GPIO IN
MASK REGISTER LSB
OR