MAX7300ANI Maxim Integrated, MAX7300ANI Datasheet - Page 17
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MAX7300ANI
Manufacturer Part Number
MAX7300ANI
Description
Interface - I/O Expanders
Manufacturer
Maxim Integrated
Series
MAX7300r
Datasheet
1.MAX7300ATI-T.pdf
(20 pages)
Specifications of MAX7300ANI
Operating Supply Voltage
2.5 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Mounting Style
Through Hole
Package / Case
PDIP-28 Narrow
Output Current
10 mA
Power Dissipation
727 mW
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Figure 10. Maskable GPIO Ports P24 to P31
P29
P26
P25
P30
P28
P27
P24
P31
2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or
______________________________________________________________________________________
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 = 1
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
28-Port I/O Expander
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
INT STATUS STORED AS MSB OF MASK REGISTER
MASK REGISTER LSB
OR
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