MAX7306 Maxim, MAX7306 Datasheet - Page 16

• 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

SMBus/I
GPIOs and LED Drivers
Figure 6. Static and PWM Port Output Waveforms
Figure 7. Staggered PWM Phasing Between Port Outputs
16
0b0111XXXX
0b0X000000
0b0X000010
0b0X000011
0b0X011101
0b0X011110
0b0X011111
0b0X000001
REGISTER
VALUE
______________________________________________________________________________________
PORT
OUTPUT STATIC LOW (STATIC LOGIC-LOW OUTPUT OR LED DRIVE ON)
OUTPUT LOW 1/32 DUTY PWM
OUTPUT LOW 2/32 DUTY PWM
OUTPUT LOW 3/32 DUTY PWM
OUTPUT LOW 29/32 DUTY PWM
OUTPUT LOW 30/32 DUTY PWM
OUTPUT LOW 31/32 DUTY PWM
OUTPUT STATIC HIGH (STATIC LOGIC-HIGH OUTPUT OR LED DRIVE OFF)
0
977μs NOMINAL PWM PERIOD
2
1
C Interfaced 4-Port, Level-Translating
2
OUTPUT P1
3
OUTPUT P2
977μs NOMINAL PWM PERIOD (1024Hz PERIOD)
4
OUTPUT P3
NEXT PWM PERIOD
OUTPUT P4
OUTPUT P1
OUTPUT P2
OUTPUT P3
NEXT PWM PERIOD
OUTPUT P4
OUTPUT P1
OUTPUT P2
HIGH IMPEDANCE
HIGH IMPEDANCE
HIGH IMPEDANCE
HIGH IMPEDANCE
HIGH IMPEDANCE
HIGH IMPEDANCE
HIGH IMPEDANCE
HIGH IMPEDANCE
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW