MAX7370 Maxim, MAX7370 Datasheet - Page 26

• Manufacturer Part Number: MAX7370
• Description: The MAX7370 I²C-interfaced peripheral provides microprocessors with management of up to 64 key switches, with optional GPIO and PWM-controlled LED drivers
• Manufacturer: Maxim

with I
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
REGISTER BIT
8 x 8 Key-Switch Controller and LED Driver/GPIOs
D3
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D2
D1
D0
2
C Interface and High Level of ESD Protection
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DESCRIPTION
DESCRIPTION
ROW7
ROW6
ROW5
ROW4
ROW3
ROW2
ROW1
ROW0
COL7
COL6
COL5
COL4
COL3
COL2
COL1
COL0
VALUE
VALUE
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
1
0
1
0
1
0
1
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is an open-drain output
Port is an open-drain output
Port is an open-drain output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
Port is an open-drain output
Port is a push-pull output
FUNCTION
FUNCTION
MAX7370
DEFAULT VALUE
DEFAULT VALUE
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1