Datasheet

ADuC7033
Rev. B | Page 7 of 140
Parameter Test Conditions/Comments Min Typ Max Unit
MCU START-UP TIME
At Power-On Includes kernel power-on execution time 25 ms
After Reset Event Includes kernel power-on execution time 5 ms
From MCU Power-Down
Oscillator Running
Wake Up from Interrupt 2 ms
Wake Up from LIN 2 ms
Crystal Powered Down
Wake Up from Interrupt 500 ms
Internal PLL Lock Time 1 ms
LIN INPUT/OUTPUT GENERAL
Bus load conditions (CBUS||RBU): 1 nF||1 kΩ,
6.8 nF||660 Ω; 10 nF||500 Ω
Baud Rate 1000 20,000 Bits/sec
VDD
Supply voltage range at which the LIN interface is
functional
7 18 V
Input Capacitance 5.5 pF
Input Leakage Current Input (low) = IO_VSS −800 −400 μA
LIN Comparator Response Time
1
Using 22 Ω resistor 38 90 μs
I
LIN DOM MAX
Current limit for driver when LIN bus is in
dominant state, V
BAT
= V
BAT (MAX)
40 200 mA
I
LIN_PAS_REC
Driver off, 7.0 V < V
LIN
< 18 V, V
DD
= V
LIN
− 0.7 V −20 +20 μA
I
LIN
1
VBAT disconnected, V
DD
= 0 V, 0 < V
LIN
< 18 V 10 μA
I
LIN_PAS_DOM
1
Input leakage V
LIN
= 0 V −1 mA
I
LIN_NO_GND
29
Control unit disconnected from ground,
GND = V
DD
, 0 V < V
LIN
< 18 V, V
BAT
= 12 V
−1 +1 mA
V
LIN_DOM
1
LIN receiver dominant state, V
DD
> 7.0 V 0.4 V
DD
V
V
LIN_REC
1
LIN receiver recessive state, V
DD
> 7.0 V 0.6 V
DD
V
V
LIN_CNT
1
LIN receiver center voltage, V
DD
> 7.0 V 0.475 V
DD
0.5 V
DD
0.525 V
DD
V
V
HYS
1
LIN receiver hysteresis voltage 0.175 V
DD
V
V
LIN_DOM_DRV_LOSUP
1
LIN dominant output voltage, V
DD
= 7 V
R
L
500 Ω 1.2 V
R
L
1000 Ω 0.6 V
V
LIN_DOM_DRV_HISUP
1
LIN dominant output voltage, V
DD
= 18 V
R
L
500 Ω 2 V
R
L
1000 Ω 0.8 V
V
LIN_RECESSIVE
LIN recessive output voltage 0.8 V
DD
V
V
BAT
Shift
29
0 0.1 V
DD
V
GND Shift
29
0 0.1 V
DD
V
R
SLAVE
Slave termination resistance 20 30 47 kΩ
V
SERIAL DIODE
29
Voltage drop at the Serial Diode D
Ser_Int
0.4 0.7 1 V
Symmetry of Transmit
Propagation Delay
1
V
DD (MIN)
= 7 V −2 +2 μs
Receive Propagation Delay
1
V
DD (MIN)
= 7 V 6 μs
Symmetry of Receive Propagation
Delay
1
V
DD (MIN)
= 7 V −2 +2 μs
LIN VERSION 2.0 SPECIFICATION
Bus load conditions (CBUS||RBUS): 1 nF||1 kΩ,
6.8 nF||660 Ω; 10 nF||500 Ω
D1
Duty Cycle 1,
TH
REC(MAX)
= 0.744 × V
BAT
,
TH
DOM(MAX)
= 0.581 × V
BAT
,
V
SUP
= 7.0 V . . . 18 V, t
BIT
= 50 μs,
D1 = t
BUS_REC(MIN)
/
(
2 × t
BIT
)
0.396