Functional Description Of The Sim 1-2; Block Diagram - Siemens ASIC SIM 1-2 Function Manual

Functional Description of the SIM 1-2

2.1

Block Diagram

Description
The following block diagram represents the SIM 1-2 functions as blocks.
RXA
RXA1
RXS
RXS1
Interface- Jabber
Logik Control
TXE
TXE1
TXS
TXS1
GIM
Mode
VCM
S1
DC/DC
DC/DC
S2
RDCDC
Power
Clock
Management
Generator
RESETXN
R
PDWNXN
RDCDC
GND
SIM 1-2
C79000-G8976-C215-01
Receiver Filter und Komparator
RXA2
Bandpass
2. Ordnung
RxF
RXS2
Waveshaper
F = 31,25 kHz
Impedance Converter
Current Modulator
TXE2
TxM
TXS2
U
R
Current control
DC/DC
Referenz control
Control
VCC-
Shunt-
Regulator
Regulator
5V
6,3V
Tiefpass
2.Ordnung
RXIN
C
RXIN
VBUS
CTR
-
SENSEP
U
S
SENSEM
R
static current
SENSEM
(2 .. 50mA)
RISOLL
RIREF
RVCCVE
C
RVCCVE
R
RVCCVE
VE / VESRD
VCCD / VCCA
VREG
RVREG
VREG-
R
Regulator
RVREG
VM
C
VM
GND
2
R
Ex1
BUS
(9 .. 32V)
T
1
R
SENSEP
C
RISOLL
R
R
RIREF
RISOLL
C
VCC
C C
VREG VE
C
RVREG
13