tja1080a NXP Semiconductors, tja1080a Datasheet - Page 16

• Manufacturer Part Number: tja1080a
• Description: Flexray Transceiver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TJA1080A_3
Preliminary data sheet
Fig 6.
than t
locked longer
(1) At the first battery connection the transceiver will enter the Star-standby mode.
time in star
to(locked-sleep)
State diagram in star configuration
STAR TRANSMIT
INH1 = HIGH
INH2 = HIGH
from any mode if UV
flag is set regardless PWON flag
TXEN activity detected for
longer than t
VCC
TXEN activity detected
INH1 = floating
INH2 = floating
STAR SLEEP
to(tx-locked)
TRXD0, TRXD1,
TRXD0, TRXD1,
idle detected on
TXEN and the
bus lines
wake
flag 1
TRXD1, TXEN and the
Rev. 03 — 15 January 2009
no acivity on TRXD0,
and TXEN for longer
bus lines for longer
than t
than t
idle detected on
the bus lines
to(locked-idle)
to(idle-sleep)
STAR LOCKED
INH1 = HIGH
INH2 = HIGH
INH1 = HIGH
INH2 = HIGH
STAR IDLE
UV
wake flag 1 or
VCC
signal 0
STAR STANDBY
TRXD0, TRXD1,
idle detected on
TXEN and the
INH1 = HIGH
INH2 = HIGH
bus activity detected for
longer than t
bus activity
bus lines
detected
to(rx-locked)
(1)
TJA1080A
from star idle, star
transmit or star receive if
wake flag set and under
voltage present on V
for longer than
t > t
FlexRay transceiver
STAR RECEIVE
to(uv)(VCC)
INH1 = HIGH
INH2 = HIGH
© NXP B.V. 2009. All rights reserved.
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