MAX7360 Maxim, MAX7360 Datasheet - Page 26

• Manufacturer Part Number: MAX7360
• Description: The MAX7360 I²C-interfaced peripheral provides microprocessors with management of up to 64 key switches, with an additional eight LED drivers/GPIOs that feature constant-current, PWM intensity control, and rotary switch control options
• Manufacturer: Maxim

Table 17. GPIO Constant-Current Setting Register (0x43)
I
Driver/GPIOs with Integrated ESD Protection
Table 18. GPIO Output Mode Register (0x44)
Table 19. Common PWM Register (0x45)
26
Power-up default setting (common PWM
ratio is 0/256)
Common PWM ratio is 1/256
Common PWM ratio is 2/256
Common PWM ratio is 3/256
REGISTER
REGISTER
2
D[7:6]
D[5:2]
D[1:0]
C-Interfaced Key-Switch Controller and LED
_____________________________________________________________________________________
BIT
BIT
D7
D6
D5
D4
D3
D2
D1
D0
REGISTER DESCRIPTION
DESCRIPTION
DESCRIPTION
current setting
Reserved
Reserved
Constant-
PORT7
PORT6
PORT5
PORT4
PORT3
PORT2
PORT1
PORT0
VALUE
VALUE
0000
11
00
01
10
11
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Set always as 11
—
Constant current is 5mA
Constant current is 6.67mA
Constant current is 10mA
Constant current is 20mA
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
Port is a constant-current open-drain output
Port is a non-constant-current open-drain output
D7
0
0
0
0
D6
0
0
0
0
.
.
.
D5
0
0
0
0
FUNCTION
FUNCTION
REGISTER DATA
COMMON PWM
D4
0
0
0
0
D3
0
0
0
0
D2
0
0
0
0
D1
0
0
1
1
DEFAULT
DEFAULT
VALUE
VALUE
0000
11
00
0
0
0
0
0
0
0
0
D0
1
0
1
0