MAX7359 Maxim, MAX7359 Datasheet - Page 5

• Manufacturer Part Number: MAX7359
• Description: The MAX7359 I²C interfaced peripheral provides microprocessors with management of up to 64 key switches
• Manufacturer: Maxim

INT
SDA
SCL
*GPO
INTERFACE
TIMEOUT
MAX7359
BUS
I
2
_______________________________________________________________________________________
C
OSCILLATOR
REGISTERS
CONTROL
64kHz
FIFO
POR
Key Switch Controller/GPO
2-Wire Interfaced Low-EMI
KEY SCAN
CURRENT DETECT
COLUMN ENABLE
ROW ENABLE
GPO ENABLE
Functional Block Diagram
CURRENT
COLUMN
SOURCE
DRIVES
DRIVES
OPEN-
DRAIN
ROW
COL0
COL1
COL2*
COL3*
COL4*
COL5*
COL6*
COL7*
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
5