uja1023 NXP Semiconductors, uja1023 Datasheet - Page 24

• Manufacturer Part Number: uja1023
• Description: Uja1023 Lin-i/o Slave
• Manufacturer: NXP Semiconductors

Philips Semiconductors
UJA1023_4
Product data sheet
Fig 6. Overview of operating modes
NAD reconfiguration
reconfiguration
HSE, LSE: 0 00
P O: 0 00
I/O
sleep mode command
HSE = High-Side Enable
LSE = Low-Side Enable
PxO = PxOut
LSLP = Limp-home sleep
LWM = Local Wake-up Mask
LSLP = 0
AND
7.2.2 Operating modes
INH: high impedance
HSE: as configured
LSE: as configured
Low-power mode
HSE: as configured
PxO: output data
LSE: as configured
INH: as configured
PxO: output data
HSE, LSE: 0x00
Configuration
Active mode
Active mode
LIN: off-line
PxO: 0x00
INH: HIGH
LIN: active
LIN: active
Normal
Sleep
default NAD used
remote wake-up
"Assign NAD"
local wake-up
OR
OR
undervoltage
P O
power-on
read DIAGNOSE data
OR
limp home value
sleep mode command
Rev. 04 — 5 July 2006
P O
remote wake-up
LSLP = 1
sleep mode command
AND
PxO: limp home value
limp home value
HSE: as configured
LSE: as configured
INH: as configured
Active mode
LIN: active
failure
Standby
OR
failure
OR local wake-up
Failure: bus idle time-out or bus dominant time-out
Local: [(LWM = 1) AND (t > t
capture) causes transmission of LIN wake-up
request] AND [reception of LIN header]
Remote: [(t > t
recessive again] AND [reception of LIN header].
sleep mode command
PxO: limp home value
(NAD not assigned
failure
INH: high impedance
remote wake-up
HSE: as configured
OR
LSE: as configured
Low-power mode
OR not used)
LIN: off-line
LH Sleep
wake(bus)
AND
OR default used)
remote wake-up
(NAD assigned
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
AND
; after falling edge) AND
wake(local)
PxO: limp home value
INH: high impedance
LIN: off-line/failsilent
HSE: as configured
LSE: as configured
Low-power mode
UJA1023
Limp Home
; after edge
LIN-I/O slave
oscillator
mdb494
fail
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