E981.03 Datasheet, PDF (12/51 Pages) ELMOS Semiconductor AG – Autonomous MAC and individual physical address

BUSN
Q ^EXTAL
XTAL
+-
TP1-256
BUS
GND
Coupling
KNX/ EIB TRANSCEIVER _Module
PRODUCTION DATA - JAN 15, 2015
E981.03
VIO
SET_VCC ^RSET
V33I
C33I
VST SW
VCC
LSPS
CCST ^{CST DSPS}
CVCC
CCVCC CVIO
VCC
4.2 Minimal Function of E981.03
Minimal Function of E981.03 **3
C33I
CREC
BUS
Coupling
Module
U1
RTXL
D1
BUSN ₉
RTXL ₁₀
RTX _{RTXH 11}
BUSP
12
i.c.
13
V20 ₁₄
VST ₁₅
i.c.
16
CCST CST
RSET
33
IC1
E981.03
VVIO
SAVE
32
MOSI
31
30 ^MISO
SCK
29
SCS
28
GND
27
RXD
26
TXD
25
RVCC
LSPS
Q
DSPS ^{CVCC CCVCC CVIO}
VVIO
Application
Module
VVIO = VVCC
(50mA)
SETVCC=VIO
DVIO
Figure 2. Schematic Example (minimal application)
DC/ DC converter active (3.3 V): I_max=50 mA
SETVCC = GND:
VCC = 3.3 V
BS1 = BS0 = GND:
UART 19.2 k baud
V20 not used:
V20 = VST
UART optional with optical coupler
SPI not used
MOSI = GND
MISO = open
SCK = GND
SCS = VIO
OTEMP not used:
WK not used:
SAVE not used:
RESET not used:
AOUT not used:
open
open
open
open
open
+-
TP1-256
E981.03
(9) BUSN
(23) EXTAL
Q
(24) XTAL
(27) GND
(3) i.c.
(13) i.c.
Full Normal Mode
C3
CREC
BUS
Coupling
Module
U1
RTXL
D1
BUSN ₉
RTXL ₁₀
RTX _{RTXH 11}
BUSP
12
i.c.
13
V20 ₁₄
VST ₁₅
i.c.
16
CCST CST
IC
E981
RVCC
LSPS
C20
DSPS ^{CVCC CCVC}
Elmos Semiconductor AG reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
Elmos Semiconductor AG
Data Sheet
QM-No.: 25DS0046E.03
12/51