33793 Datasheet, PDF (3/27 Pages) Freescale Semiconductor, Inc – Distributed System Interface (DSI) Sensor Interface

INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
BUSIN
IO0
IO1
IO2
IO3
Rectifiers
Bus Switch
0 – 35 V Bi-Directional
Forward Receiver
Data
Frame
Bandgap
Reference
Received
Message
from MCU
Response
Current
0 –11 mA
7.0 mA/µS
Bus Return
Oscillator
4.0 MHz
DataOut <3:0>
I/O Buffers
DataOut <0>
DataOut <1>
Logic
Command Decode
State Machine
Response Generation
4
Address A<3:0>
4 Bits NVM
DataOut <2>
DataOut <3>
I/O<3:0>
SEL
I/O0
I/O1 _4:1
I/O2 _MUX
I/O3
ADC
8 Bits
HCAP
Reverse Receiver
Data
Frame
Bandgap
Reference
BUSOUT
BUSRTN
Power
Management
5.0 V Regulator
BG Reference
Bias Currents
Logic Out
High Current
Buffer
Supply Comparators
POR
Undervoltage
Detector
LOGOUT
GND
BG
Figure 2. 33793 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor
33793
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