Image Processing Reference
In-Depth Information
Application module
(e.g., wall switch, thermostat)
Power + digital/analog
parallel and serial pin
configurations
10
Physical external interface (PEI)
Serial
interface
8-Bit pulse length
modulator
8-Bit A/D
converter
RAM
ROM
(network stack,
application
environment)
EEPROM
(user application)
MC68HC05x
High/low
Undervoltage
lockout
Power
supply
Transceiver
BCU
KNX TP1 Network
Undervoltage
lockout
Power
supply
Transceiver
Transmit
buffer
Link layer
control logic
Receive
buffer
UART
TP-UART
UART characters
Host controller
(with customizable network stack and user application)
FIGURE .
Typical KNX/EIB node architectures.
