MAX14827 Datasheet, PDF (32/41 Pages) Maxim Integrated Products – Integrated LED Driver

MAX14827
IO-Link Device Transceiver
MODE Register [A2, A1, A0] = [010]
Bit
Bit Name
Read/Write
POR State
Reset upon Read
Bit 7
RST
R/W
0
N
Bit 6
WU_Dis
R/W
0
N
Bit 5
V33_Dis
R/W
0
N
Bit 4
ENMPX
R/W
0
N
Bit 3
V24WEn
R/W
0
N
Bit 2
CQFil
R/W
0
N
Bit 1
LED2b
R/W
0
N
Bit 0
LED1b
R/W
0
N
Use the Mode register to configure the MAX14827 and manage the 3.3V LDO.
BIT
NAME
DESCRIPTION
Register Reset
1: Reset all registers to their default power-up state. The Status register is
7
RST
cleared and IRQ deasserts (if asserted) when RST = 1. Interrupts are not
generated while RST = 1.
0: Normal operation.
Wake-Up Interrupt Disable/Enable
6
WU_Dis
1: Wake-up detection is disabled.
0: Enable IO-Link wake-up detection.
V33 Enable/Disable
5
V33_Dis
1: Disable the V33 linear regulator.
0: Enable the V33 linear regulator.
Enable/Disable SPI/UART Multiplexing
4
ENMPX
1: Enable UART multiplexing on SPI interface pins. See the Mode Selection
Table for more information.
0: Disable UART multiplexing on SPI interface pins.
V24 Undervoltage Warning Enable
3
V24WEn
1: Enable the V24 undervoltage warning interrupt. V24WInt is set when V24 falls
below the UVLO threshold.
0: Disable the V24 undervoltage warning interrupt.
C/Q Deglitch Filter Enable/Disable
2
CQFil
1: Deglitch filter is disabled on RX.
0: Deglitch filter is enabled on RX.
LED2 Driver Logic
1
LED2b
1: Set the LED2 output high.
0: Set the LED2 output low.
LED1 Driver Logic.
0
LED1b
1: Set the LED1 output high.
0: LED1 output is driven by the LED1IN logic input.
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