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UJA1069TW датащи(PDF) 32 Page - NXP Semiconductors

номер детали UJA1069TW
подробное описание детали  LIN fail-safe system basis chip
PDF  64 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
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UJA1069TW датащи(HTML) 32 Page - NXP Semiconductors

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UJA1069_2
© NXP B.V. 2007. All rights reserved.
Preliminary data sheet
Rev. 02 — 5 March 2007
32 of 64
NXP Semiconductors
UJA1069
LIN fail-safe system basis chip
6.12.8 System Configuration register and System Configuration Feedback register
These registers allow configuration of the behavior of the SBC, and allow the settings to
be read back.
Table 9.
Interrupt register bit description
Bit
Symbol
Description
Value
Function
15 and 14
A1, A0
register address
01
read Interrupt register
13
RRS
Read Register Select
1
12
RO
Read Only
1
read the Interrupt register without writing to the Interrupt
Enable register
0
read the Interrupt register and write to the Interrupt Enable
register
11
WTI
Watchdog Time-out
Interrupt
1
a watchdog overflow during Standby mode has caused an
interrupt (interrupt-based cyclic wake-up feature)
0
no interrupt
10
OTI
OverTemperature
Interrupt
1
the temperature warning status (TWS) has changed
0
no interrupt
9
-
reserved
0
reserved for SBCs with CAN transceiver
8
SPIFI
SPI clock count Failure
Interrupt
1
wrong number of CLK cycles (more than, or less than 16)
during SPI access
0
no interrupt; SPI access is ignored if the number of CLK
cycles does not equal 16
7
BATFI
BAT Failure Interrupt
1
falling edge at pin SENSE has forced an interrupt
0
no interrupt
6
VFI
Voltage Failure Interrupt 1
V1D or V3D has been cleared
0
no interrupt
5
-
reserved
0
reserved for SBCs with CAN transceiver
4
LINFI
LIN Failure Interrupt
1
LIN failure status has changed
0
no interrupt
3
WI
Wake-up Interrupt
1
a negative edge at pin WAKE has been detected
0
no interrupt
2
WDRI
Watchdog Restart
Interrupt
1
A watchdog restart during watchdog OFF has caused an
interrupt
0
no interrupt
1
-
reserved
0
reserved for SBCs with CAN transceiver
0
LINI
LIN Wake-up Interrupt
1
LIN wake-up event has caused an interrupt
0
no interrupt
Table 10.
System Configuration and System Configuration Feedback register bit description
Bit
Symbol
Description
Value
Function
15 and 14
A1, A0
register address
10
select System Configuration register
13
RRS
Read Register Select
1
read the General Purpose Feedback register 0
0
read the System Configuration Feedback register



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