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MAX7370 Datasheet(PDF) 24 Page - Maxim Integrated Products

Part # MAX7370
Description  8 x 8 Key-Switch Controller and LED Driver/GPIOs
PDF  37 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX7370 Datasheet(HTML) 24 Page - Maxim Integrated Products

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MAX7370
8 x 8 Key-Switch Controller and LED Driver/GPIOs
with I2C Interface and High Level of ESD Protection
Table 13. Key-Switch Array Size Register (0x30)
Table 14. LED Driver Enable Register (0x31)
X = Don’t care.
REGISTER DESCRIPTION
REGISTER DATA
D7
D6
D5
D4
D3
D2
D1
D0
ROWS
COLUMNS
No rows are key switches
0
0
0
0
X
ROW0 is a key switch
0
0
0
1
ROW0 to ROW1 are key switches
0
0
1
0
ROW0 to ROW2 are key switches
0
0
1
1
ROW0 to ROW3 are key switches
0
1
0
0
ROW0 to ROW4 are key switches
0
1
0
1
ROW0 to ROW5 are key switches
0
1
1
0
ROW0 to ROW6 are key switches
0
1
1
1
ROW0 to ROW7 are key switches
1
X
X
X
No columns are key switches
X
0
0
0
0
COL0 is a key switch
0
0
0
1
COL0 to COL1 are key switches
0
0
1
0
COL0 to COL2 are key switches
0
0
1
1
COL0 to COL3 are key switches
0
1
0
0
COL0 to COL4 are key switches
0
1
0
1
COL0 to COL5 are key switches
0
1
1
0
COL0 to COL6 are key switches
0
1
1
1
COL0 to COL7 are key switches
1
X
X
X
Power-up default setting
1
1
1
1
1
1
1
1
REGISTER BIT
DESCRIPTION
VALUE
FUNCTION
DEFAULT VALUE
D[7:4]
Reserved
0000
—
0000
D3
COL7
0
GPIO function
0
1
LED driver enable
D2
COL6
0
GPIO function
0
1
LED driver enable
D1
COL5
0
GPIO function
0
1
LED driver enable
D0
COL4
0
GPIO function
0
1
LED driver enable



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