MAX7302 Maxim, MAX7302 Datasheet - Page 11

• 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

Figure 1. Input Port Structure
Table 7. Port I/O Registers (I/O Port Set as an Output, Registers 0x01 to 0x09)
Level-Translating GPIO and LED Driver with CLA
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
Port I/O set bit
or open drain
(DEBOUNCE)
PORT_ [2]
push-pull
0
1
INT
TRANSITION
DETECTION
VALUE
INT2
INT9
0/1
0/1
0/1
0/1
0/1
0
0
1
0
1
INTERRUPT
LOGIC
INT
SMBus/I
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 Tables 9 and 11.
Bit 3 of the 5-bit duty-cycle setting. See Tables 9 and 11.
Bit 2 of the 5-bit duty-cycle setting. See Tables 9 and 11.
Bit 1 of the 5-bit duty-cycle setting. See Tables 9 and 11.
LSB of the 5-bit duty-cycle setting. See Tables 9 and 11.
TRANSITION
DETECTION
PORT_ [5]
INTERRUPT
ENABLE
DEBOUNCE LOGIC
PORT_ [4:3]
(THRESHOLD
2
PORT_ [6]
SELECT)
C Interfaced 9-Port,
FUNCTION
V
DD
V
LA
I/O
11