MAX7306 Maxim, MAX7306 Datasheet - Page 11

• 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

Figure 1. Input Port Structure
Table 7. Port I/O Registers (I/O Port Set as an Output, Registers 0x01 to 0x04)
SMBus/I
REGISTER BIT
D7
D6
D5
D4
D3
D2
D1
D0
PORT_[0]
(PORTIN)
______________________________________________________________________________________
PWM/Blink Enable
Output Port Set to
Duty Cycle Bit 4
Duty Cycle Bit 3
Duty Cycle Bit 2
Duty Cycle Bit 1
Duty Cycle Bit 0
DESCRIPTION
2
Port I/O Set Bit
or Open-Drain
(DEBOUNCE)
PORT_[2]
Push-Pull
C Interfaced 4-Port, Level-Translating
0
1
INT
TRANSITION
DETECTION
VALUE
INT2
INT4
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
INTERRUPT
LOGIC
INT
Sets the I/O port as an output.
Sets the output type to open-drain.
Sets the output type to push-pull.
Sets the output to PWM mode.
Sets the output to blink mode.
MSB of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
MSB of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
Bit 3 of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
Bit 3 of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
Bit 2 of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
Bit 2 of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
Bit 1 of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
Bit 1 of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
LSB of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
LSB of the 5-bit duty cycle setting. See the PWM and Blink Timing section.
TRANSITION
DETECTION
GPIOs and LED Drivers
PORT_ [5]
INTERRUPT
ENABLE
DEBOUNCE LOGIC
(THRESHOLD
PORT_[6]
SELECT)
FUNCTION
V
DD
1
0
V
LA
MAX7307 ONLY
I/O
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