MAX7306 Maxim, MAX7306 Datasheet - Page 17

• 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 8. PWM Settings on Output Ports
Table 9. Blink and PWM Frequencies
Table 10. Blink Settings on Output Ports
X = Don’t care.
Port P_ is a static logic-level low output port
Port P_ is a PWM output port; PWM duty cycle is 1/32
Port P_ is a PWM output port; PWM duty cycle is 3/32
Port P_ is a PWM output port; PWM duty cycle is 7/32
Port P_ is a PWM output port; PWM duty cycle is 15/32
Port P_ is a PWM output port; PWM duty cycle is 31/32
Port P_ is a static logic-level high output port
Bl i nk p er i od i s 8 second s ( 0.125H z)
Blink period is 4 seconds (0.25Hz)
Blink period is 2 seconds (0.5Hz)
Blink period is 1 second (1Hz)
Blink period is a 1/2 second (2Hz)
Blink period is a 1/4 second (4Hz)
Bl i nk p er i od i s an 1/8 second ( 8H z)
Bl i nk p er i od i s a 1/32 second ( 32H z)
PWM
Port P_ is a static logic-level low output port
Port P_ is a blinking output port; blink duty cycle is 1/16
Port P_ is a blinking output port; blink duty cycle is 3/16
Port P_ is a blinking output port; blink duty cycle is 7/16
Port P_ is a blinking output port; blink duty cycle is 15/16
Port P_ is a static logic-level high output port
SMBus/I
BLINK OR PWM SETTING
BLINK SETTINGS
______________________________________________________________________________________
PWM SETTING
2
C Interfaced 4-Port, Level-Translating
BLINK2
BIT D4
DEVICE CONFIGURATION
X
0
0
0
0
1
1
1
1
REGISTER 0x66
BLINK1
BIT D3
1
X
0
0
1
0
0
1
1
BLINK0
BIT D2
X
0
1
0
1
0
1
0
1
D7
D7
0
0
0
0
0
0
0
0
0
0
0
0
0
GPIOs and LED Drivers
INTERNAL OSCILLATOR)
D6
D6
X
X
X
X
X
X
1
X
X
X
X
X
1
FREQUENCY (32kHz
BLINK OR PWM
D5
D5
0.125
1024
0
0
0
0
0
0
1
(Hz)
0.25
1
1
1
1
1
1
0.5
32
1
2
4
8
REGISTER DATA
REGISTER DATA
D4
D4
0
0
0
0
0
1
1
0
0
0
0
0
1
D3
D3
X
X
0
0
0
0
1
1
0
0
0
0
1
FREQUENCY (0Hz TO 1MHz
EXTERNAL OSCILLATOR)
BLINK OR PWM
OSCIN / 262,144
OSCIN / 131,072
D2
D2
OSCIN / 65,536
OSCIN / 32,768
OSCIN / 16,384
0
0
0
1
1
1
X
0
0
0
1
1
X
OSCIN / 8192
OSCIN / 4096
OSCIN / 1024
OSCIN / 32
D1
D1
0
0
1
1
1
1
X
0
0
1
1
1
X
D0
D0
0
1
1
1
1
1
X
0
1
1
1
1
X
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