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STMicroelectronics Electronic Components Datasheet

SN260 Datasheet

Wireless Communication & Connectivity ICs And Modules

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SN260
ZigBee® 802.15.4 network processor
Features
Integrated 2.4GHz, IEEE 802.15.4-compliant
transceiver:
– Robust RX filtering allows co-existence
with IEEE 802.11g and Bluetooth devices
– - 97.5dBm RX sensitivity (1% PER, 20byte
packet)
– + 3dBm nominal output power
– Increased radio performance mode (boost
mode) gives –98.5dBm sensitivity and
+5dBm transmit power
– Integrated VCO and loop filter
– Secondary TX-only RF port for applications
requiring external PA.
Integrated IEEE 802.15.4 PHY and MAC
Dedicated peripherals and integrated memory
EmberZNet™ ZigBee®-compliant stack
running on the dedicated network processor
Controlled by the Host using the EmberZNet™
Serial Protocol (EZSP)
– Standard serial interface (allows for
connection to a variety of Host micro
controllers)
Non-intrusive debug interface (SIF)
Integrated hardware and software support for
InSight Development Environment
Provides integrated RC oscillator for low power
operation
Three sleep modes:
– Processor idle (automatic)
– Deep sleep—1.0µA
– Power down—1.0µA
Watchdog timer and power-on-reset circuitry
Integrated AES encryption accelerator
Integrated 1.8V voltage regulator
Compatible with Ember EM250
RF_TX_ALT_P,N
RF_P,N
BIAS_R
OSCA
OSCB
VREG_OUT
PA select
TX_ACTIVE
PA
PA
LNA
Bias
HF OSC
Internal
RC-OSC
Regulator
Chip
manager
SYNTH
DAC
IF ADC
Encryption acclerator
MAC
+
Baseband
Network
Processor
(XAP2b)
PacketTrace
Network Processor
Peripherals
Serial
Interrupt
Controller Controller
Integrated Flash and RAM
Always
powered
POR
Sleep
timer
Watchdog
IO Controller
SIF
nRESET
SIF_CLK
SIF_MISO
SIF_MOSI
nSIF_LOAD
December 2007
Rev 2
1/88
www.st.com
1


STMicroelectronics Electronic Components Datasheet

SN260 Datasheet

Wireless Communication & Connectivity ICs And Modules

No Preview Available !

www.DataSheet4U.com
Contents
Contents
SN260
1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Top-level functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.3 Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4 DC electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.5 Digital I/O specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.6 RF electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.6.1 Receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.6.2 Transmit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.6.3 Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1 Receive (RX) path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.1 RX baseband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.2 RSSI and CCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.2 Transmit (TX) path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2.1 TX baseband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2.2 TX_ACTIVE signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.3 Integrated MAC module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.4 Packet trace interface (PTI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.5 16-bit microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.6 Embedded memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.6.1 Simulated EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.6.2 Flash information area (FIA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.7 Encryption accelerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.8 Reset detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.9 Power-on-reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2/88


Part Number SN260
Description Wireless Communication & Connectivity ICs And Modules
Maker ST Microelectronics
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