Datasheet

AFE4490
SBAS602F –DECEMBER 2012–REVISED OCTOBER 2013 www.ti.com
DIAG: Diagnostics Flag Register (Address = 30h, Reset Value = 0000h)
D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12
0 0 0 0 0 0 0 0 0 0 0 PD_ALM
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
LED_ LED1 LED2 OUTPSH OUTNSH INNSC INPSC INNSC INPSC
LEDSC PDOC PDSC
ALM OPEN OPEN GND GND GND GND LED LED
This register is read only. This register contains the status of all diagnostic flags at the end of the diagnostics
sequence. The end of the diagnostics sequence is indicated by the signal going high on DIAG_END pin.
Bits D[23:13] Read only
Bit D12 PD_ALM: Power-down alarm status diagnostic flag
This bit indicates the status of PD_ALM (and the PD_ALM pin).
0 = No fault (default after reset)
1 = Fault present
Bit D11 LED_ALM: LED alarm status diagnostic flag
This bit indicates the status of LED_ALM (and the LED_ALM pin).
0 = No fault (default after reset)
1 = Fault present
Bit D10 LED1OPEN: LED1 open diagnostic flag
This bit indicates that LED1 is open.
0 = No fault (default after reset)
1 = Fault present
Bit D9 LED2OPEN: LED2 open diagnostic flag
This bit indicates that LED2 is open.
0 = No fault (default after reset)
1 = Fault present
Bit D8 LEDSC: LED short diagnostic flag
This bit indicates an LED short.
0 = No fault (default after reset)
1 = Fault present
Bit D7 OUTPSHGND: OUTP to GND diagnostic flag
This bit indicates that OUTP is shorted to the GND cable.
0 = No fault (default after reset)
1 = Fault present
Bit D6 OUTNSHGND: OUTN to GND diagnostic flag
This bit indicates that OUTN is shorted to the GND cable.
0 = No fault (default after reset)
1 = Fault present
Bit D5 PDOC: PD open diagnostic flag
This bit indicates that PD is open.
0 = No fault (default after reset)
1 = Fault present
Bit D4 PDSC: PD short diagnostic flag
This bit indicates a PD short.
0 = No fault (default after reset)
1 = Fault present
72 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: AFE4490