MAX7306 Maxim, MAX7306 Datasheet - Page 8

• 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
Table 1. Register Address Map
*No registers are present.
Table 2. Power-Up Register Status
8
Port P1 or INT Output
Port P2 or OSCIN Input
Port P3 or OSCOUT Output
Port P4
Configuration 26
Configuration 27
FACTORY RESERVED (Do not write to these registers)
FACTORY RESERVED (Do not write to these registers)
Ports P1–P4
Configuration 26
Configuration 27
_______________________________________________________________________________________
REGISTER
2
C Interfaced 4-Port, Level-Translating
REGISTER
Ports P_ are V
and debounce disabled
RST d oes not r eset r eg i ster s or counters; b l i nk p er i od
i s 1H z; tr ansi ti on fl ag cl ear ; i nterr up t status fl ag cl ear
Ports P1–P4 are GPIO ports; bus timeout is
disabled
POWER-UP CONDITION
LA
referred input ports with interrupt
0x3C–0x3F
ADDRESS
0x01
0x02
0x03
0x04
0x26
0x27
0x00
CODE (hex)
ADDRESS
0x01–0x04
AUTOINCREMENT ADDRESS
0x26
0x27
0x3F–0x40
0x05*
0x28*
0x02
0x03
0x04
0x27
0x01
D7 D6 D5 D4 D3 D2 D1 D0
1
1
1
0
1
0
REGISTER DATA
0
1
0
0
0
0
0
1
1
POR STATE
0
1
1
0xEC
0x80
0x80
0x80
0x80
0x8F
0x00
0x80
0
0
1
0
0
1