MC33663ASEF Freescale Semiconductor, MC33663ASEF Datasheet - Page 31

• Manufacturer Part Number: MC33663ASEF
• Description: LIN Transceivers dual LINcell
• Manufacturer: Freescale Semiconductor

Specifications of MC33663ASEF

• Rohs: yes
• Operating Supply Voltage: 7 V to 18 V
• Supply Current: 22 uA
• Maximum Operating Temperature: + 125 C
• Package / Case: SOIC-14
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT

Analog Integrated Circuit Device Data
Freescale Semiconductor
X = Don’t care.
Normal Mode
Operational/
Transitional
Sleep Mode
Preparation
(1)
(2)
(3)
(4)
:see figures 15 and 18
:see figures 14 and 17
:the Toogle Function is guaranteed at ambiant and hot temperature
:internal WAKE is the WAKE signal filtered by t
to Sleep
Awake
Mode
Power-Up
Table 7. Explanation of Operational and Transitional Modes State Diagram (each transceiver)
Recessive state, driver off with
725 kΩ pull-up.
Recessive state, driver off.
725 kΩ pull-up active.
Recessive state, driver off with
725 kΩ pull-up
Driver active. 30 kΩ pull-up
active.
Normal Baud Rate for 33662L
and 33662S
Slow Baud Rate for 33662J
Fast Baud Rate (> 100 kbps) for
33662L, 33662S & 33662J
VSUP > VPOR
LIN1, LIN2
WF
(WAKE deglitcher)
Awake
Awake
Sleep
Sleep
Figure 25. Operational and Transitional Modes State
WAKE1 pin state changes
WAKE2 pin state changes
LIN1 bus dominant pulse
LIN2 bus dominant pulse
EN1 LOW TO HIGH for t >t
EN2 LOW TO HIGH for t >t
for t>t
for t>t
for t>t
for t>t
Or
Or
WUF
WUF
WF
WF
State changes during t
(3)
(3)
(2)
(2)
Internal WAKE2
State changes during t
(high)
(high)
(high)
INH1
INH2
(low)
OFF
Internal WAKE1
ON
ON
ON
LWUE
LWUE
State doesn’t change
(1)
Internal WAKE2
state doesn’t change
HIGH
SD
LOW
LOW
LOW
(1)
Internal WAKE1
EN1
EN2
during t
SD
during t
Preparation to
SD
Preparation
SD
Sleep
to Sleep
(1)
(1)
LOW to drive LIN bus in dominant
HIGH to drive LIN bus in
recessive.
EN2 LOW TO HIGH for t > t
EN2 HIGH TO LOW for t >t
EN1 LOW TO HIGH for t> t
EN1 HIGH TO LOW for t >t
EN1 LOW TO HIGH for t>t
EN2 LOW TO HIGH for t >t
TXD1, TXD2
EN2 HIGH TO LOW for t >t
EN1 HIGH TO LOW for t >t
X
X
X
LWUE
LWUE
LWUE
LWUE
Normal Baud Rate or
LWUE
Normal Baud Rate or
LWUE
Slow Baud Rate
LWUE
Slow Baud Rate
LIN2
LWUE
LIN1
FUNCTIONAL DEVICE OPERATION
Toggle Function
Toggle Function
High-impedance. HIGH if
external pull-up to V
LOW.
If external pull-up, HIGH-to-LOW
transition reports wake-up.
High-impedance. HIGH if
external pull-up to V
Report LIN bus state:
• Low LIN bus dominant
• High LIN bus recessive
(4)
Toggle Function
Toggle Function
(4)
OPERATIONAL MODES
Fast Baud Rate
LIN MODULE 2
RXD1, RXD2
LIN MODULE 1
Fast Baud Rate
(10x)
(10x)
(4)
(4)
DD.
DD.
33663
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