EIB-TP-UART-IC Просмотр технического описания (PDF) - Siemens AG

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EIB-TP-UART-IC

EIB-TP-UART-IC

Siemens AG 

3 The DIGITAL - PART

3.1 Relationship to ISO-Reference-Model

TP-UART-IC

ISO - Layer

Applikation - Layer

EIB - UART - Layer

Transport - Layer

Host -

Contoller

Network - Layer

Link -

Layer

Logical Link -

Control

Media - Access

Control

Physical - Layer

UART - Digital - Part

UART - Analog - Part

TP-

UART-

IC

Tasks of the Logical Link - Control in:

TP - UART - IC :

Checksum, Parity, Immediate Acknowledge, Repetition, Timing

Host - Controller :

Checksum, Parity, Addressing, Length

3.2 UART - Interface

3.2.1 Configuration and Timing

The TP-UART-IC has an UART-interface to transmit received EIB-telegrams. The baud rate

is as it was mentioned before 19.2 or 9.6 kbaud.

The UART-interface has the following firm telegram structure:

1 start bit (= 0) / 8 data bits (LSB first) / 1 parity bit / 1 stop bit (= 1).

The signals can be transmit without a break and the Idle-level is 1.

The parity bit of every signal is checked while down loading and faults, which can appear,

are transmitted to the host controller. The check mechanism runs also while receiving of

telegrams from the EIB, but here isn’t any possibility to transmit a fault to the host controller.

In those cases the host controller has to recognize the parity faults in the transmitted

telegrams by its own.

The reproduction, transmission or use of this document or it‘s contents is not permitted without express written authority. All

rights, including right created by patent grant or registration of a utility model or design, are reserved. Technical changes

reserved.

25.15.10.41.33a

25.10.01

page 10

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