MAX7315 Maxim, MAX7315 Datasheet - Page 22

• Manufacturer Part Number: MAX7315
• Description: The MAX7315 I²C-/SMBus™-compatible serial interfaced peripheral provides microprocessors with 8 I/O ports
• Manufacturer: Maxim

8-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
Table 14. Output Intensity Registers
22
Output P1 intensity duty cycle is 14/16
Output P1 intensity duty cycle is 15/16
Output P1 intensity duty cycle is 16/16
Output P0 intensity duty cycle is 14/16
Output P0 intensity duty cycle is 15/16
Output P0 intensity duty cycle is 16/16
Output P1 intensity duty cycle is 1/16
Output P1 intensity duty cycle is 2/16
Output P1 intensity duty cycle is 3/16
Output P0 intensity duty cycle is 1/16
Output P0 intensity duty cycle is 2/16
Output P0 intensity duty cycle is 3/16
Read back output P1, P0 intensity
Read back output P3, P2 intensity
Read back output P5, P4 intensity
Read back output P7, P6 intensity
______________________________________________________________________________________
OUTPUTS P1, P0 INTENSITY
OUTPUTS P3, P2 INTENSITY
OUTPUTS P5, P4 INTENSITY
OUTPUTS P7, P6 INTENSITY
Write output P1, P0 intensity
Write output P3, P2 intensity
Write output P5, P4 intensity
Write output P7, P6 intensity
(static logic level, no PWM)
(static logic level, no PWM)
OUTPUT O8 INTENSITY
REGISTER
—
—
R/W
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
1
0
1
0
1
0
1
ADDRESS
CODE
(HEX)
0X10
0x11
0x12
0x13
MSB
MSB
MSB
MSB
P1I3
P3I3
P5I3
P7I3
D7
—
—
—
—
—
—
—
—
0
0
0
1
1
1
OUTPUT P1 INTENSITY
OUTPUT P3 INTENSITY
OUTPUT P5 INTENSITY
OUTPUT P7 INTENSITY
P1I2
P3I2
P5I2
P7I2
See the master, O8 intensity register (Table 13).
D6
—
—
—
—
—
—
—
—
0
0
0
1
1
1
P1I1
P3I1
P5I1
P7I1
D5
—
—
—
—
—
—
—
—
0
0
1
0
1
1
REGISTER DATA
LSB
P1I0
LSB
P3I0
LSB
P5I0
LSB
P7I0
D4
—
—
—
—
—
—
—
—
0
1
0
1
0
1
MSB
MSB
MSB
MSB
P0I3
P2I3
P4I3
P6I3
D3
—
—
—
—
—
—
—
—
0
0
0
1
1
1
OUTPUT P0 INTENSITY
OUTPUT P2 INTENSITY
OUTPUT P4 INTENSITY
OUTPUT P6 INTENSITY
P0I2
P2I2
P4I2
P6I2
D2
—
—
—
—
—
—
—
—
0
0
0
1
1
1
P0I1
P2I1
P4I1
P6I1
D1
—
—
—
—
—
—
—
—
0
0
1
0
1
1
LSB
P0I0
LSB
P2I0
LSB
P4I0
LSB
P6I0
D0
—
—
—
—
—
—
—
—
0
1
0
1
0
1