E981.03A38HB ELMOS Semiconductor, E981.03A38HB Datasheet - Page 2

• 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

Functional Diagram
Pin Configuration
Note: Not to scale, EP Exposed die pad
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
Top View
TP1-256
+ -
Block diagram
V
33I
U
Hard
reset
not ok
1
Save
condition
PIN 1-Marker
D
C
Reset
R
SETVCC
1
OTEMP
REC
Q
TX
RESET
AOUT
CREG
V33I
(23) EXTAL
WK
(11) RTXH
(24) XTAL
(12) BUSP
i.c.
(10) RTXL
(8) CREC
(27) GND
(9) BUSN
(13) i.c.
V
(3) i.c.
33I
1
2
3
4
5
6
7
8
ok
32
9
Voltage
VST ok
31 30 29 28 27 26 25
EP
E981.03
10 11 12 13 14 15 16
V33I
(6)
IC start-up
KNX / EIB
IC supply
Interface
system
clock
Voltage
Data Sheet
not ok
C
VST
2/51
33I
start
Soft
Receive Trigger
(14)
V20
E981.03
Supply
20V
ADC/DAC
C
Internal
Logic
V20
C
Current
(15)
VST
Limiter
CST
24
23
22
21
20
19
18
17
C
(17)
SW
ST
Power supply
Communication
Soft start
finished
Switched
UART host
Bottom Side
XTAL
EXTAL
INT
BS1
BSO
VIO
VCC
SW
Monitoring
SPI host
interface
interface
D
Control
Mode
(18)
VCC
L
SPS
Unit
SPS
Mode
C
R
VCC
VCC
(31) MISO / GPIO
(29) SCK / GPI
(28) SCS / GPI
(26) RXD
(25) TXD
(21) BS1
(20) BS0
(32) SAVE
(22) INT
(19) VIO
(30) MOSI / GPIO
(2) RESET
(1) OTEMP
(4) AOUT
(7) WK / GPI
(16) i.c.
(5) SETVCC
C
QM-No.: 25DS0046E.01
VCC
CVCC
V20
E981.03
Met alarm
condition
V
BUSP
If the I
V
VST_drop
VS
(15