TMPN3120E1M

Features:

I / O Functions
  `Eleven programmable I / O pins.
  `Two programmable 16-bit timers and counters built in.
  `34 different types of I / O functions to handle a wide range of input and output.
  `ROM firmware image containing pre-programmed I / O drivers, greatly simplifying application programs.

Network functions
  `Two CPUs for communication protocol processing built in.
     The communications and application CPUs execute in parallel.
  `Equipped with a built-in LonTalk protocol which supports all seven levels of the OSI reference model with ISO.
  `The ROM firmware image contains a complete network operating system, greatly simplifying application programs.
  `Built-in twisted-pair wire transceiver
  `Equipped with communications modes and communication speeds which support various types of external
     transceivers.
     Supports twisted-pair wire, power line, radio ( RF ), infrared, coaxial cables, and fiber optics.
  `Communication port transceiver modes and logical addresses stored within the EEPROM.
     Can be amended via the network.

Other functions
  `Application programs are also stored within the EEPROM.
     Can be updated by downloading over the network. Up to 900-byte applications can be stored.
  `Built-in watch-dog timer.
  `Each chip has a unique ID number.
     Effective during the logical installation of networks.
  `Low electrical consumption mode supported with a sleep mode.
  `Built-in low-voltage detection circuit.
     Prevents incorrect operations and writing errors in the EEPROM during drops in power
  `The package is SOP32-P-525-1.27.

Pinout




Specifications

V_SS = 0V, V_SS typ.

CHARACTERISTICS	Symbol	Rating	Unit
Power Supply Voltage	VDD	−0.3~7.0	V
Input Voltage	VIN	−0.3~VDD+0.3	V
Power Dissipation	PD	800	mW
Storage Temperature	Tstg	−65~150	°C

OPERATING CONDITIONS

ITEM	SYMBOL	MIN	TYP.	MAX	UNIT
Operating Voltage	VDD	4.5	5.0	5.5	V
Input Voltage ( TTL )	VIH	2.0		VDD	V
	VIL	VSS		0.8	V
Input Voltage ( CMOS )	VIH	VDD −0.8		VDD	V
	VIL	VSS		0.8	V
Operating Frequency	fosc	0.625		10	MHz
Operating Temperature	Topr	−40		85	°C

 

Description

·The TMPN3120E1M is a Neuron Chip which configures LONWORKS nodes on a single chip.
·Neuron Chips have all the built-in communications and control functions required to implement LONWORKS nodes.
·These nodes may then be easily integrated into highly-reliable distributed intelligent control networks.
·The typical functions for this chip are explained below.