SFSH3.58MCB YAMAR [Yamar Electronics Ltd.], SFSH3.58MCB Datasheet

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SFSH3.58MCB

Manufacturer Part Number
SFSH3.58MCB
Description
for DC-LIN Asynchronous Communication Over Noisy Lines
Manufacturer
YAMAR [Yamar Electronics Ltd.]
Datasheet
1.SFSH3.58MCB.pdf (12 pages)
@ 2006 Yamar Electronics Ltd.
www.yamar.com
The SIG40 is an innovative VLSI solution for digital communication over a single wire or a battery-
powered line for asynchronous LIN and UART protocols, using original multiplex digital signaling
technology. It provides a new economical physical communication layer for asynchronous protocols.
Since the SIG40 consists of CMOS technology, it can be economically integrated with other CMOS
applications such as micro controllers.
When implemented in a LIN network, the SIG40 replaces the LIN transceiver and the LIN Data wire. Its
57.6Kbps data rate triples the LIN transfer rate. The SIG40 saves node costs and increases the
network capacity. A sleep mode enables power saving. Wakeup messages on the DC line awaken
remote devices as required by the LIN protocol.
The SIG40 capability of communicating over battery-powered line as a new physical layer of the LIN
protocol is useful for a wide range of vehicular applications, such as doors, seats, mirrors, climate
control, lights etc. The SIG40 contains a host and LIN interface, modem, line driver and ceramic filter
interface.
The device features a unique Signaling technology to overcome the hostile communication conditions
of a vehicle battery line. It consists of a Signaling Modem, Signaling Coder/Decoder and a
Communication Controller overcoming the hostile environment over vehicle battery lines. Sleep mode
reduces the power consumption when there is no bus activity.
YAMAR
This information is preliminary and may be changed without notice
E le c tro n ic s L td
1
Preliminary Data Sheet
GENERAL
Proprietary and Confidential Information of YAMAR Electronics Ltd.
Tel: +972-3-5445294 Fax: +972-3-5445279
Asynchronous Communication
Figure 1.1 - SIG40 Pin Diagram
10
1
2
3
4
5
6
7
8
9
HDO
INH
HDI
nSleep
HDC
nReset
Wake
InterfHop
VccPLL
MF0nF1
SIG40 for DC-LIN
Over Noisy Lines
1
GndPLL
OscOut
DTxO
RxOn
OscIn
TxOn
RxP
RxN
Gnd
Vcc
20
19
18
17
16
15
14
13
12
11
DS-SIG40 R1.8

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SFSH3.58MCB Summary of contents

Page 1

Proprietary and Confidential Information of YAMAR Electronics Ltd. YAMAR Asynchronous Communication tro Preliminary Data Sheet This information is preliminary and may be changed without notice 1 GENERAL The SIG40 is an innovative ...

Page 2

Proprietary and Confidential Information of YAMAR Electronics Ltd. 2 OVERVIEW 2.1 Signaling System The SIG40 device is based on a patented Signaling technology. The device transmits and receives a special signaling carrier, which can be differentiated from noise. The receiver ...

Page 3

Proprietary and Confidential Information of YAMAR Electronics Ltd. 3 SIG40 SIGNALS The SIG40 Signals are divided into three main functions: Host input / output • Line interface • Sleep mechanism • Figure 3.1 describes the interconnections between SIG40 its host, ...

Page 4

Proprietary and Confidential Information of YAMAR Electronics Ltd. 3.2 Sleep Mechanism Three signals are dedicated for Sleep wakeup mechanism 3.2.1 nSleep Sleep control input from the host. This pin is high for normal operation, and low for Sleep Mode. When ...

Page 5

... PZT2222 C3 VCC 1 FSA3157 R24 0 39K 2 RxOn 1M D1 BAS31 R9 6.8 6.8 R10 R14 1K C6 R15 R11 C10 47p Q2 4.3K 1M R17 R13 1n 3.9K 2.2 VCC 18 C32 0.1u C12 1n Murata Oscilent part # part # SFSH3.58MCB SFSL4.5MDB 773-0045 SFSL5.5MDB 773-0055 SFSL6.0MDB 773-0060 SFSL6.5MDB 773-0065 DS-SIG40 R1 2.2nF/200V 0.1u R12 1K ...

Page 6

Proprietary and Confidential Information of YAMAR Electronics Ltd. 3.4 Frequency Control The device is designed for operation in two selectable carrier frequencies (channels). Presence of an interference signal can be read from the device internal register. 3.4.1 Operating Frequency Bit ...

Page 7

Proprietary and Confidential Information of YAMAR Electronics Ltd. 4 OPERATION 4.1 Message Construction The host constructs a message from bytes of data sent to its UART. The device receives this data on st its HDI data-In line. The 1 low ...

Page 8

Proprietary and Confidential Information of YAMAR Electronics Ltd. 0[4] nAuto sleep 0[6:5] For future use 0[7] Interference 1[5:0] F0, F1, bit rate select R/W 1[7:6] For future use 4.3 SIG40 Configuration The SIG40 operates at default with the following parameters: ...

Page 9

Proprietary and Confidential Information of YAMAR Electronics Ltd HDC HDI start bit In order to read from a control register, the host sends one byte. The byte should be sent more than 200nSec after lowering HDC. The byte ...

Page 10

Proprietary and Confidential Information of YAMAR Electronics Ltd. 4.5 Reset and Power-up The device has internal Power-up reset. It takes 6mS until a stable operation is achieved from power- up, or from raising the nReset signal to high. 4.6 Sleep ...

Page 11

Proprietary and Confidential Information of YAMAR Electronics Ltd. Wake INH T 6 nSleep DC-BUS HDO 4.6.4 Wakeup from bus message During Sleep mode, the device wakes up periodically to check for activity on the bus every 32 mSec ...

Page 12

Proprietary and Confidential Information of YAMAR Electronics Ltd. 5 ELECTRICAL PARAMETERS 5.1 Absolute Maximal Rating Ambient Temperature under bias Storage Temperature Input Voltage Vcc Supply voltage 5.2 Electrical Operating Conditions Symbol Characteristics Vcc Supply Voltage Icc Supply Current Ipd Power ...

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