E981.03A38HB ELMOS Semiconductor, E981.03A38HB Datasheet - Page 13

• Manufacturer Part Number: E981.03A38HB
• Description: Interface - Specialized KNX/EIB transceiver
• Manufacturer: ELMOS Semiconductor

Specifications of E981.03A38HB

• Rohs: yes
• Product Type: KNX/EIB Transceiver
• Operating Supply Voltage: 3.3 V
• Supply Current: 10 mA
• Maximum Power Dissipation: 1 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Minimum Operating Temperature: - 25 C

R
SET
32
32
31
31
30
30
29
29
28
28
27
27
26
26
25
25
SAVE
MOSI
MOSI
MISO
SCK
SCS
GND
GND
RXD
TXD
TXD
V
VIO
V
VIO
4.3 Full Normal Mode Application
DC/DC converter active (3.3 V/5 V): I
SETVCC = GND:
SETVCC = VIO:
BS1 = BS0 = GND:
V20 used:
UART optional with optical coupler
SPI optional with optical coupler
In Normal Mode alarm functionality is usable. Alarm is detected in case of an open SETVCC pin.
For other schematics read application notes.
ELMOS Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
KNX/ EIB TRANSCEIVER
PRODUCTION DATA - JUL 2, 2012
ELMOS Semiconductor AG
D
VIO
Application
V
(50mA)
SETVCC=V
Module
VIO
= V
VCC
IO
U
1
D
1
C
20
BUS
Coupling
Module
R
C
TX
CST
Maximum Function of KNX IC with VIO
CREC
W K
C
Figure 3. Schematic Example (full application)
ST
C
BUSN
BUSP
RTXH
REC
RTXL
RTXL
VCC = 3 V
VCC = 5 V
UART 19.2 k baud
additional C
I
VST
V20
i.c.
max
max
7
8
i.c.
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
= 50/ 30 mA
= 20 mA
D
R
L
SPS
SPS
VCC
C
E981.03
VCC
IC1
C
V20
CVCC
C
33I
Data Sheet
,
13/51
C
VIO
33
33
Q
OTEMP used
WK used
SAVE used
RESET used
AOUT used
32
32
31
31
30
30
29
29
28
28
27
27
26
26
25
25
SAVE
MOSI
MOSI
MISO
SCK
SCS
GND
GND
RXD
TXD
TXD
R
SET
18
17
VCC
SW
D
VIO
V
V
V
V20
VIO
VCC
=20V / 20mA
V
VIO
V
SETVCC=GND
V
SETVCC=V
VCC
VCC
GPIO
GPIO
GPIO
VCC= 5V
VCC= 3.3V
OPEN= Alarm
Analog IN
GPIO / ResetN
GPIO
= 3.3V (50mA)
= 5V (30mA)
optional with optocoupler
optional with optocoupler
optional with optocoupler
optional with optocoupler
optional with insulation
amplifier for analog Signal
VIO
BUSN
BUSP
RTXH
RTXL
RTXL
VST
V20
i.c.
QM-No.: 25DS0046E.01
i.c.
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
E981.03
E981.03
33
33
32
32
31
31
30
30
29
29
28
28
27
27
26
26
25
25
SAVE
MOSI
MOSI
MISO
SCK
SCS
GND
GND
RXD
TXD
TXD