33889 datasheet(47/60 Pages) FREESCALE

tên linh kiện	33889

Giải thích chi tiết về linh kiện	System Basis Chip with Low Speed Fault Tolerant CAN Interface

PDF	60 Pages

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33889

FUNCTIONAL DEVICE OPERATION

LOGIC COMMANDS AND REGISTERS

Table 21. Status bits

(*) Once the HS1 switch has been turned off because of over temperature, it can be turned on again by setting the appropriate

control bit to “1”.

WUR REGISTER

The local wake-up inputs L0 and L1 can be used in both normal and standby mode as port expander and for waking up the

SBC in sleep or stop mode.

Table 22. WUR Register

Table 23. Control bits:.

Status bit

Description

HS1OT (*)

High-side 1 over temperature

SHIFT

gnd shift level selected by GSLR1 and GSLR2 bits is reached

V2LOW

V2 below 4.0 V typical

VSUPLOW

VSUP below 6.1 V typical

WUR

$100b

LCTR3

LCTR2

LCTR1

LCTR0

L1WUb

L1WUa

L0WUb

L0WUa

Reset

Reset condition

POR, NR2R, N2R, STB2R, STO2R

LCTR3

LCTR2

LCTR1

LCTR0

L0 configuration

L1 configuration

inputs disabled

high level sensitive

low level sensitive

both level sensitive

inputs disabled

high level sensitive

low level sensitive

both level sensitive

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