MAX7302 Maxim, MAX7302 Datasheet - Page 16
MAX7302
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
Datasheet
1.MAX7302.pdf
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SMBus/I
Level-Translating GPIO and LED Driver with CLA
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
2
1
C Interfaced 9-Port,
977μs NOMINAL PWM PERIOD
2
3
OUTPUT P8
OUTPUTS P1, P9
4
5
OUTPUT P2
6
OUTPUT P3
7
977μs NOMINAL PWM PERIOD (1024Hz PERIOD)
OUTPUT P4
8
OUTPUT P5
OUTPUT P6
OUTPUT P7
NEXT PWM PERIOD
OUTPUT P8
OUTPUTS P1, P9
OUTPUT P2
OUTPUTP3
OUTPUT P4
OUTPUT P5
OUTPUT P6
OUTPUT P7
NEXT PWM PERIOD
OUTPUT P8
OUTPUTS P1, P9
OUTPUT P2
OUTPUT P3
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
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