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PDF ( 数据手册 , 数据表 ) TP-UART-IC

零件编号 TP-UART-IC
描述 Twisted Pair - Universal Asynchronous Receive Transmit IC
制造商 Siemens Semiconductor
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TP-UART-IC 数据手册, 描述, 功能
TECHNICAL DATA
EIB-TP-UART-IC
VB -
Tx0
Rx IN
MODE 0
MODE 1
TEST MODE
X1
X2
TSTOUT
RxD
11
12
13
14
15
16
17
18
19
20
Features
10 VB + Signaling for standard UART (LSB-First,
9 VSP
Idle is 1)
8 CSA Baud rate 9600 or 19200 baud for the
communication:
7 VCC TP - UART <--> Host - Controller
6 DIV Direct coupling to host controller (TxD,
5 SAVE RxD), or via optical couplers (optional)
4 TSTIN 2 - wire protocol with software handshake
3 VIF Buffering of send frames
2 RESn
No critical timing during transmission
1 TxD
64 Byte telegram buffer
Operating temperature range:
-25°C to 85°C
Supervision of EIB bus voltage
GENERAL DESCRIPTION
The TP - UART - IC (Twisted Pair - Universal Asynchronous Receive Transmit - IC) is a
transceiver which supports the connection of microcontrollers of sensors, actuators, or other
applications to the EIB (European - Installation - Bus).
This module supports every transmit- and receive - function and also the high ohmic decoupling
of energy from bus line. It generates further a stabilized 3.3V or 5V supply to use by a host
controller. Up to 256 subscribers can be connected to one bus line.
An UART interface is realized for communication with a host controller. The coupling can be
www.DatarSehaeleizt4eUd.cdoimrectly or via optical couplers.
The TP - UART - IC consists of two main parts: the digital part (UART - Interface) and the analog
part ( analog circuit part).
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 1







TP-UART-IC pdf, 数据表
2 Modes of Operation
2.1 Interface to the HOST Controller
TP - UART - IC
Analog - Digital -
EIB Part Part
Normal Mode:
Bus Coupler IDLE = HIGH
Mode:
TxD3
RxD3
IDLE = LOW
TP-UART-IC
TxD
HOST -
Controller
RxD
IDLE = HIGH
IDLE = LOW
2.2 Selection of Different Modes of Operation
It is possible to choose two different modes of operation: the normal mode and the analog
mode. To work in one of those modes you have to adjust the mode control pins as it is
shown in following table, in which is also demonstrated the usage of other pins:
Operating
Mode Control Pins
Other Pins
Modes
Normal Mode
Mode0
(Pin 14)
1
Mode1
(Pin 15)
1
Testmode
(Pin 16)
0
TSTin_BDS
(Pin 4)
= 1: 9.600 Baud
= 0: 19.200 Baud
TSTout_TW
(Pin 19)
= 1: Temp. Warning1)
--> TxO disabled
= 0: Temp. is OK
Analog Mode
1
0
0
do not care!
= 1: Temp. warning1)2)
(à 19.200 Baud) --> TxO disabled
= 0: Temp. is OK
1)After a Temperature Warning was recognized, a second must at least be maintained until the next
telegram is sent.
2)Transmission is stopped immediately by the TP_UART_IC.
2.2.1 Normal Mode
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In the ‘normal’operation mode both parts, digital and analog part, are working. The Idle-level
on the UART-interface is 1.
(As it is shown in the above standing figure, in chapter 2.1)
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 8







TP-UART-IC equivalent, schematic
TP-UART-IC
FF = Frame Format
10 Standard Length L_DATA-EIB-Frame
00 Long L_DATA-Frames
11 Polling Frame
R = Repeat-flag (on the EIB 1 = not repeated, 0 = repeated)
1 = repeat the telegram on the EIB 3 times
send first time with repeat flag = 1 and repeat with repeat flag = 0
0 = don’t repeat the telegram on the EIB; send only once with repeat flag = 1
CC = Class:
control field
FFR1 cc00
FFR1 0000
FFR1 1000
FFR1 0100
FFR1 1100
1111 0000
data link frame type
L_DATA request
L_DATA request
L_DATA request
L_DATA request
L_POLLDATA request
class
system
alarm
high
normal
system priority
repeat flag
(0 = repeated)
set by TP-UART-IC
set by TP-UART-IC
set by TP-UART-IC
set by TP-UART-IC
=1
3.2.3.1.5.2U_L_DataContinue-Service
The U_L_DataContinue-Service transmits one byte containing an EIB-L_Data-Frame to the
TP-UART-IC. The index starts with 1 and the maximum value is 62 depending on the length
of the frame. But the EIB confirms just the length of 22 Bytes.
76
10
L-Data
UART-Control Field
5432
iiii
Index
1
i
07
id
Additional Information
654321
dddddd
EIB-Data Byte for L-Data-Frame
0
d
3.2.3.1.5.3U_L_DataEnd-Service
The U_L_DataEnd-Service marks the end of the transmission of the EIB frame. After
receiving this service the TP - UART controls the checksum and in case of correctness it
starts the transmission on the EIB, else the UART returns a state indication with receive-
error flag is set.
UART-Control Field(40hex)
Additional Information
7 6 5 4 3 2 1 07 6 5 4 3 2 1 0
01l l l l l l c c c c c c c c
L-Data
last index + 1
Checksum
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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 16










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