AS8515 datasheet(27/65 Pages) AMSCO

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AS8515

Datasheet - AS8515 To p Die Overview

0x0C

Reserved

0x0D

Reserved

0x0E

Watchdog Timer

Control Register

On POR_VCC

0000_0000

R/W

D0 Timer resolution

0 1 second, 1 32 seconds

D1-D7 Timeout period.

If D0=1, then timeout period = D[7:1]*64*0.512 seconds, else timeout period

= D[7:1]*0.512 seconds

0x0F

Reserved

Diagnostic Registers

0x08

Diagnostic

On POR_VSUP

0000_0011

D7-D0 = DR[7:0], 8-LSB bits of the 24-bit Diagnostic Register.

D0 POR-VSUP

Set when VSUP < Vsuvr_on, cleared after µC read

D1 Under voltage VCC (UVVCC)

Set when VCC < Vuvr_on, cleared after µC read

D2 Over-temperature Reset (OTEMP170)

Set when temp > Tsd, cleared after µC read

D3 Over-temperature warning (OTEMP160)

Set when temp > Totset, cleared after µC read

D4 Overvoltage VSENSE (OVVSENSE)

Set when VSUP > Vovthh, cleared after µC read

D5 Reserved

D6 Remote wakeup (RWAKE)

Set on remote wakeup event on LIN Bus, cleared after µC read

D7 Set on failure of window Watchdog trigger, cleared after µC read

0x09

Diagnostic

On POR_VSUP

0000_0000

D7-D0 = DR[15:8], Next 8-LSB bits of the 24-bit Diagnostic Register.

D0 Tx timeout of 1sec (TXTIMEOUT)

Set on Tx low > 1sec, cleared after µC read

D1 TEMPSHUT

This bit is set on entering temporary shutdown state and cleared after µC read.

D2 Set on failure of timeout Watchdog trigger, cleared after µC read

D3 Load Dump Flag

D7-D4 Reserved

Table 28. AS8515 Top Die Registers

Address Register Name Default Value

R/W

Description

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