Datasheet

MAX7370
8 x 8 Key-Switch Controller and LED Driver/GPIOs
with I2C Interface and High Level of ESD Protection
26Maxim Integrated
Table 17. GPO Output Mode 1 Register (0x36)
Table 18. GPO Output Mode 2 Register (0x37)
Note: When programmed as GPO, COL7–COL4 are always open drain and bits D[7:4] are not writable.
REGISTER BIT DESCRIPTION VALUE FUNCTION DEFAULT VALUE
D7 ROW7
0 Port is an open-drain output
1
1 Port is a push-pull output
D6 ROW6
0 Port is an open-drain output
1
1 Port is a push-pull output
D5 ROW5
0 Port is an open-drain output
1
1 Port is a push-pull output
D4 ROW4
0 Port is an open-drain output
1
1 Port is a push-pull output
D3 ROW3
0 Port is an open-drain output
1
1 Port is a push-pull output
D2 ROW2
0 Port is an open-drain output
1
1 Port is a push-pull output
D1 ROW1
0 Port is an open-drain output
1
1 Port is a push-pull output
D0 ROW0
0 Port is an open-drain output
1
1 Port is a push-pull output
REGISTER BIT DESCRIPTION VALUE FUNCTION DEFAULT VALUE
D7 COL7 0 Port is an open-drain output 0
D6 COL6 0 Port is an open-drain output 0
D5 COL5 0 Port is an open-drain output 0
D4 COL4 0 Port is an open-drain output 0
D3
COL3
0 Port is an open-drain output
1
1 Port is a push-pull output
D2 COL2
0 Port is an open-drain output
1
1 Port is a push-pull output
D1 COL1
0 Port is an open-drain output
1
1 Port is a push-pull output
D0 COL0
0 Port is an open-drain output
1
1 Port is a push-pull output