MAX7302 Maxim, MAX7302 Datasheet - Page 9

• Manufacturer Part Number: MAX7302
• Description: The MAX7302 I²C-/SMBus™-compatible, serial-interfaced peripheral features 9 level-translating I/Os, and operates from a 1
• Manufacturer: Maxim

Table 3. Configuration Register (0x26)
*Default state.
Table 4. Configuration Register (0x27)
*Default state.
Level-Translating GPIO and LED Driver with CLA
REGISTER BIT
REGISTER BIT
D4, D3, D2
D6, D5, D4
D7
D6
D5
D1
D0
D7
D3
D2
D1
D0
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Interrupt status flag
Blink prescalor bits
DESCRIPTION
Transition flag
DESCRIPTION
Input transition
P1/INT output
P3/OSCOUT
(read only)
(read only)
Bus timeout
Reserved
RST timer
RST POR
P2/OSCIN
Reserved
VALUE
VALUE
0/1
1*
1*
—
0*
0*
1*
1*
0
0
1
1
0
1
0
1
0
0
0
1
0
SMBus/I
Enables the bus timeout feature.
Disables the bus timeout feature.
Reserved
Reserved
Sets P3 to output the oscillator.
Sets P3 as a GPIO controlled by register 0x03.
Sets P2 as the oscillator input.
Sets P2 as a GPIO controlled by register 0x02.
Sets P1 as the interrupt output.
Sets P1 as a GPIO controlled by register 0x01.
Set to 0 on power-up to detect transition on inputs.
An interrupt has occurred on at least one interrupt enabled input port.
No interrupt has occurred on an interrupt enabled input port.
A transition has occurred on an input port.
No transition has occurred on an input port.
Reserved
Blink timer bits, see Table 10.
RST does not reset counters PWM/blink
RST resets PWM/blink counters
RST does not reset registers to power-on-reset state.
RST resets registers to power-on-reset state.
2
C Interfaced 9-Port,
FUNCTION
FUNCTION
9