MAX7302 Maxim, MAX7302 Datasheet - Page 17

• 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

Table 10. Blink and PWM Frequencies
Table 11. Blink Settings on Output Ports
Table 12. CLA0 (P2–P5) Configuration Register Setting (0x28)
XOR noninverted
XOR P3 inverted
XOR P2 inverted
XOR both ports inverted
3 input AND/OR all noninverted
3 input AND/OR P2 inverted
3 input AND/OR P3 inverted
3 input AND/OR P4 inverted
3 input AND/OR P2 and P3 inverted
3 input AND/OR P2 and P4 inverted
3 input AND/OR P3 and P4 inverted
3 input AND/OR all inverted
Port P_ is a static logic-level low output port
Port P_ is a PWM output port; PWM duty cycle is 1/16
Port P_ is a PWM output port; PWM duty cycle is 2/16
Port P_ is a PWM output port; PWM duty cycle is 3/16
Port P_ is a PWM output port; PWM duty cycle is 14/16
Port P_ is a PWM output port; PWM duty cycle is 15/16
Port P_ is a static logic-level high output port (32/32)
Bl i nk p er i od i s 8s ( 0.125H z)
Blink period is 4s (0.25Hz)
Blink period is 2s (0.5Hz)
Blink period is 1s (1Hz)
Blink period is a 1/2s (2Hz)
Blink period is a 1/4s (4Hz)
Bl i nk p er i od i s an 1/8s ( 8H z)
Bl i nk p er i od i s a 1/32s ( 32H z)
PWM
Level-Translating GPIO and LED Driver with CLA
BLINK OR PWM SETTING
PWM SETTINGS
______________________________________________________________________________________
FUNCTION
…
BLINK2
BIT D4
DEVICE CONFIGURATION
X
0
0
0
0
1
1
1
1
REGISTER 0x26
BLINK1
BIT D3
X
0
0
1
1
0
0
1
1
SMBus/I
BLINK0
BIT D2
D7
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
X
D5
0
1
D6
X
X
X
X
X
X
1
INTERNAL OSCILLATOR)
FREQUENCY (32kHz
2
BLINK OR PWM
D4
C Interfaced 9-Port,
1
0
0
0
0
1
1
1
1
D5
1
1
1
1
1
1
1
0.125
1024
(Hz)
0.25
0.5
32
1
2
4
8
REGISTER DATA
D4
REGISTER BIT
0
0
0
0
0
0
1
D3
X
1
…
D3
1
1
X
0
0
0
0
D2
EXTERNAL OSCILLATOR)
0
1
0
1
0
0
1
1
0
0
1
1
FREQUENCY (0 TO 1MHz
D2
BLINK OR PWM
OSCIN / 262,144
OSCIN / 131,072
0
0
0
1
1
1
X
OSCIN / 65,536
OSCIN / 32,768
OSCIN / 16,384
OSCIN / 8192
OSCIN / 4096
OSCIN / 1024
OSCIN / 32
D1
X
1
D1
0
0
1
0
1
1
X
D0
0
0
1
1
0
1
0
1
0
1
0
1
D0
X
0
1
0
0
0
1
17