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33889 датащи(PDF) 42 Page - Freescale Semiconductor, Inc

номер детали 33889
подробное описание детали  System Basis Chip with Low Speed Fault Tolerant CAN Interface
PDF  60 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33889 датащи(HTML) 42 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
42
Freescale Semiconductor
33889
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
(1): Bit BATFAIL cannot be set by SPI. BATFAIL is set when VSUP falls below 3V.
(2): Watchdog ON or OFF depends on the RCR register bit D3.
(3): Before entering sleep mode, bit NOSTOP in RCR register must be previously set to 1.
(4): Stop command should be replaced by Stop Watchdog OFF. MCTR2=0, MCTR1= MCTR0=1
Table 11. Status bits
Table 12. RCR register
0
1
1
Stop, watchdog on (2)
1
0
0
Sleep (3)
1
0
1
Normal
No watchdog running, debug mode
1
1
0
Standby
1
1
1
Stop (4)
STATUS BIT
DESCRIPTION
GFAIL
Logic OR of CAN failure, HS1 failure, V2LOW
BATFAIL
Battery fail flag (VSUP<3V)
VDDTEMP
Temperature pre-warning on VDD (latched)
WDRST
Watchdog reset occurred
RCR
D3
D2
D1
D0
$001b
W
WDSTOP
NOSTOP
RSTTH
R
TXFAILURE
CANWU
Reset
1
0
0
Reset condition
POR, RESET
POR, NR2N
POR
MCTR2
MCTR1
MCTR0
SBC MODE
DESCRIPTION



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