E981.03A38HB ELMOS Semiconductor, E981.03A38HB Datasheet - Page 12

• 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

4.2 Minimal Function of E981.03
DC/ DC converter active (3.3 V): I
SETVCC = GND:
BS1 = BS0 = GND:
V20 not used:
UART optional with optical coupler
SPI not used
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
U
1
D
1
R
BUS
Coupling
Module
Minimal Function of KNX IC
TX
C
CST
Figure 2. Schematic Example (minimal application)
VCC = 3.3 V
UART 19.2 k baud
V20 = VST
MOSI = GND
MISO = open
SCK = GND
SCS = VIO
C
max
ST
C
REC
BUSN
BUSP
RTXH
RTXL
RTXL
=50 mA
VST
V20
i.c.
i.c.
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
D
R
L
SPS
SPS
VCC
C
E981.03
VCC
C
IC1
CVCC
C
33I
Data Sheet
12/51
C
VIO
33
33
Q
Q
R
OTEMP not used:
WK not used:
SAVE not used:
RESET not used:
AOUT not used:
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
D
VIO
Application
V
(50mA)
SETVCC=V
Module
VIO
= V
VCC
IO
open
open
open
open
open
QM-No.: 25DS0046E.01
U
1
D
1
C
20
BUS
Coupling
Module
R
C
TX
CST
E981.03
Maximum Function of KN
CREC
W K
C
ST
C
BUSN
RTXH
BUSP
REC
RTXL
RTXL
VST
V20
i.c.
7
8
i.c.
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
D
R
L
SPS
SPS
VCC
C
E981.03
VCC
IC1
C
CVCC
C
33I
C
VIO
33
33
Q