ATA6613-EK Atmel, ATA6613-EK Datasheet - Page 210
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATA6613-EK
Manufacturer Part Number
ATA6613-EK
Description
BOARD DEMO LIN-MCM FOR ATA6613
Manufacturer
Atmel
Specifications of ATA6613-EK
Main Purpose
Interface, LIN + MCU
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ATA6613
Primary Attributes
LIN-SBC (System-Basis-Chip) Transceiver, LIN 2.0, Voltage Regulator, Window Watchdog
Secondary Attributes
16 kB Flash, 4 Power Modes: Pre-Normal, Normal, Sleep, Silent, 48-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 210 of 364
- Download datasheet (7Mb)
6.17.7.3
210
Atmel ATA6612/ATA6613
Asynchronous Operational Range
The operational range of the Receiver is dependent on the mismatch between the received bit
rate and the internally generated baud rate. If the Transmitter is sending frames at too fast or
too slow bit rates, or the internally generated baud rate of the Receiver does not have a similar
(see
the start bit.
The following equations can be used to calculate the ratio of the incoming data rate and inter-
nal receiver baud rate.
D
S
S
S
R
Table 6-72
tolerated. Note that Normal Speed mode has higher toleration of baud rate variations.
Table 6-72.
R
F
M
slow
slow
# (Data+Parity Bit)
Table
=
---------------------------------------------
S 1
10
D
5
6
7
8
9
–
and
6-72) base frequency, the Receiver will not be able to synchronize the frames to
Sum of character size and parity size (D = 5 to 10 bit)
Samples per bit. S = 16 for Normal Speed mode and S = 8 for Double Speed
mode.
First sample number used for majority voting. S
S
Middle sample number used for majority voting. S
S
is the ratio of the slowest incoming data rate that can be accepted in relation to
the receiver baud rate. R
be accepted in relation to the receiver baud rate.
+
Recommended Maximum Receiver Baud Rate Error for Normal Speed Mode
(U2Xn = 0)
D
F
M
Table 6-73 on page 211
D
+
= 4 for Double Speed mode.
= 5 for Double Speed mode.
1
S
S
+
R
S
slow
93.20
94.12
94.81
95.36
95.81
96.17
F
(%)
R
106.67
105.79
105.11
104.58
104.14
103.78
fast
fast
(%)
list the maximum receiver baud rate error that can be
is the ratio of the fastest incoming data rate that can
Max Total Error (%)
R
fast
+5.79/-5.88
+5.11/-5.19
+4.58/-4.54
+4.14/-4.19
+3.78/-3.83
+6.67/-6.8
=
-----------------------------------
D
+
D
1
F
+
= 8 for normal speed and
S
M
2
+
= 9 for normal speed and
S
S
M
Recommended Max
Receiver Error (%)
9111H–AUTO–01/11
±3.0
±2.5
±2.0
±2.0
±1.5
±1.5
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