Siemens KNX EIB TP-UART 2-IC - MODES OF OPERATION; THE ANALOG - PART; DIGITALPART; MECHANICAL SPECIFICATION

GAMMA instabus
Release: February 2012
KNX EIB TP-UART 2-IC
Siemens AG pages 42 Technical Manual
Infrastructure and Cities Sector,
Building Technologies
Control Products and Systems © Siemens AG 2012 page 3
P. O. Box 10 09 53, Subject to change without further notice.
D-93009 Regensburg
TABLE OF CONTENTS
1 MODES OF OPERATION .......................................................................................................................5
1.1 INTERFACE TO HOST ELECTRONICS........................................................................................................... 5
1.2 SELECTION OF DIFFERENT MODES OF OPERATION................................................................................. 5
2 THE ANALOG – PART ...........................................................................................................................6
2.1 PACKAGE AND PIN DEFINITIONS.................................................................................................................. 6
2.1.1 Package Pin Assignment ........................................................................................................................... 6
2.1.2 PIN DESCRIPTION.................................................................................................................................... 6
2.2 OPERATING CONDITIONS.............................................................................................................................. 8
2.2.1 General operating conditions ..................................................................................................................... 8
2.2.2 ABSOLUTE MAXIMUM RATINGS (NON OPERATING)............................................................................ 8
2.2.3 Bus Pins VB+ and VB ............................................................................................................................. 10
2.2.4 CCS stabilisation Pin BYP........................................................................................................................ 10
2.2.5 Buffer Voltage Pin VSP ............................................................................................................................ 10
2.2.6 Supply Pin VCC........................................................................................................................................ 11
2.2.7 Supply Pin VDP........................................................................................................................................ 12
2.2.8 Supply Pins VDDH and VSSH.................................................................................................................. 12
2.2.9 Supply Pin V20 and Pin R20 .................................................................................................................... 13
2.2.10 Pin IND, SMPSoutput.............................................................................................................................. 14
2.2.11 Pin SVCC ................................................................................................................................................. 14
2.2.12 Receive Pin RxIN ..................................................................................................................................... 14
2.2.13 Transmit Pin TxO ..................................................................................................................................... 15
2.2.14 Supply Pin VIF.......................................................................................................................................... 15
2.2.15 Oscillator Pins X1 and X2......................................................................................................................... 15
2.2.16 Interface Pin RxD ..................................................................................................................................... 15
2.2.17 Interface Pin TxD...................................................................................................................................... 16
2.2.18 Switching Pin STxO.................................................................................................................................. 16
2.2.19 Reset Pin RESn ....................................................................................................................................... 17
2.2.20 Mode Control Pins MODE0, MODE1, MODE2, MODE3 TESTMODE and CTM ..................................... 17
2.2.21 Pin TSTIN_BDS........................................................................................................................................ 17
2.2.22 Pin TSTOUT_TW ..................................................................................................................................... 18
2.2.23 Pin SAVE.................................................................................................................................................. 18
2.2.24 Pin DIV ..................................................................................................................................................... 18
3 DIGITALPART.......................................................................................................................................19
3.1 RELATIONSHIP TO ISOREFERENCEMODEL............................................................................................ 19
3.2 UART – INTERFACE TO HOST CONTROLLER............................................................................................ 20
3.2.1 Configuration and Timing ......................................................................................................................... 20
3.2.2 Resetbehavior .......................................................................................................................................... 20
3.2.3 UARTProtocol Definition ......................................................................................................................... 20
4 MECHANICAL SPECIFICATION ..........................................................................................................34