MAX7306 Maxim, MAX7306 Datasheet - Page 9

• Manufacturer Part Number: MAX7306
• Description: The MAX7306/MAX7307 I²C-/SMBus™-compatible, serial-interfaced peripherals feature four level-translating I/Os and operate from a 1
• Manufacturer: Maxim

Table 3. Configuration Register (0x26)
*Default state.
Table 4. Configuration Register (0x27)
*Default state.
SMBus/I
REGISTER BIT
REGISTER BIT
D4, D3, D2
D6, D5, D4
D7
D6
D5
D1
D0
D7
D3
D2
D1
D0
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Blink Prescaler Bits
Flag (Read-Only)
DESCRIPTION
Interrupt Status
Input Transition
DESCRIPTION
Transition Flag
2
P1/INT Output
P3/OSCOUT
(Read-Only)
Bus Timeout
RST Timer
P2/OSCIN
Reserved
RST POR
Reserved
C Interfaced 4-Port, Level-Translating
VALUE
VALUE
0/1
1*
1*
0*
0*
1*
1*
1*
1*
0
0
0
1
1
0
0
0
0
0
0
An interrupt has occurred on at least one interrupt enabled input port.
No interrupt has occurred on an interrupt enabled input port.
Transition has occurred on an input port.
No transition has occurred on an input port.
Reserved.
See Table 9 for blink frequency setting.
RST does not reset PWM/blink counters.
RST resets PWM/blink counters.
RST does not reset registers to power-on-reset state.
RST resets registers to power-on-reset state.
Enables the bus timeout feature.
Disables the bus timeout feature.
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 for proper transition detection.
GPIOs and LED Drivers
FUNCTION
FUNCTION
9