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EM341 Schematic ( PDF Datasheet ) - Silicon Laboratories

Teilenummer EM341
Beschreibung Integrated RF4CE System-on-Chip
Hersteller Silicon Laboratories
Logo Silicon Laboratories Logo 




Gesamt 30 Seiten
EM341 Datasheet, Funktion
EM341
High-Performance, Integrated RF4CE System-on-Chip
Features
- 32-bit ARM® Cortex -M3 processor
- 2.4 GHz IEEE 802.15.4-2003 transceiver & lower MAC
- 128 kB flash, with optional read protection
- 12 kB RAM memory
- AES128 encryption accelerator
- Flexible ADC, UART/SPI/TWI serial communications,
and general purpose timers
- 24 highly configurable GPIOs with Schmitt trigger inputs
Industry-leading ARM® Cortex -M3 processor
- Leading 32-bit processing performance
- Highly efficient Thumb-2 instruction set
- Operation at 6, 12, or 24 MHz
- Flexible Nested Vectored Interrupt Controller
Low power consumption, advanced management
- RX Current (w/ CPU): 26 mA
- TX Current (w/ CPU, +3 dBm TX): 31 mA
- Low deep sleep current, with retained RAM and GPIO:
400 nA without/800 nA with sleep timer
- Low-frequency internal RC oscillator for low-power sleep
timing
- High-frequency internal RC oscillator for fast (110 µs)
processor start-up from sleep
Exceptional RF Performance
- Normal mode link budget up to 103 dB; configurable up
to 110 dB
- –100 dBm normal RX sensitivity; configurable to
–102 dBm (1% PER, 20 byte packet)
- +3 dB normal mode output power; configurable up to
+8 dBm
- Robust Wi-Fi and Bluetooth coexistence
Innovative network and processor debug
- Packet Trace Port for non-intrusive packet trace with
Ember development tools
- Serial Wire/JTAG interface
- Standard ARM debug capabilities: Flash Patch & Break-
point; Data Watchpoint & Trace; Instrumentation Trace
Macrocell
Application Flexibility
- Single voltage operation: 2.1–3.6 V with internal 1.8 and
1.25 V regulators
- Optional 32.768 kHz crystal for higher timer accuracy
- Low external component count with single 24 MHz
crystal
- Support for external power amplifier
- Small 7x7 mm 48-pin QFN package
RF_TX_ALT_P,N
PA select
PA
RF_P,N
PA
LNA
SYNTH
DAC
IF ADC
OSCA
OSCB
VDD_CORE
VREG_OUT
nRESET
Bias
HF crystal
OSC
1.25V
Regulator
1.8V
Regulator
POR
LF crystal
OSC
Internal HF
RC-OSC
Internal LF
RC-OSC
Calibration
ADC
General
Purpose
ADC
TX_ACTIVE
MAC
+
Baseband
Packet Trace
Data
RAM
12 kB
Program
Flash
128 kB
ARM® CortexTM-M3
CPU with NVIC
and MPU
2nd level
Interrupt
controller
General
purpose
timers
GPIO
registers
CPU debug
TPIU/ITM/
FPB/DWT
Always
Powered
Domain
Watchdog
Encryption
acclerator
Serial
Wire and
JTAG
debug
UART/
SPI/TWI
Chip
manager
Sleep
timer
SWCLK,
JTCK
GPIO multiplexor switch
PA[7:0], PB[7:0], PC[7:0]
Rev 1.0 8/14
Copyright © 2014 by Silicon Laboratories
EM341






EM341 Datasheet, Funktion
EM341
Table 1.1 contains a typical Bill of Materials for the application circuit shown in Figure 1.1. The information within
this table should be used for a rough cost analysis. For a more detailed BOM, please refer to one of Ember EM357-
based reference designs at the Silicon Labs website (www.silabs.com/zigbee-support).
Table 1.1. Bill of Materials for Typical Application Circuit
Item Qty
11
21
31
42
51
62
71
81
92
10 1
11 1
12 1
13 1
Reference
C2
C1
C7
C3,C4
C8
C5, C9
C6
L1
L2, L3
R1
R3
U1
Y1
Description
CAPACITOR, 1 µF, 6.3 V, X5R, 10%, 0402
CAPACITOR, 2.2 µF, 10 V, X5R, 10%, 0603
CAPACITOR, 22 pF, ±5%, 50 V, NPO, 0402
CAPACITOR, 18 pF, ±5%, 50 V, NPO, 0402
CAPACITOR, 33 pF, ±5%, 50 V, NPO, 0402
CAPACITOR, 1 pF, ±0.25 pF, 50 V, 0402, NPO
CAPACITOR, 1.8 pF, ±0.25 pF, 50 V, 0402, NPO
INDUCTOR, 5.1 nH, ±0.3 nH, 0402 MULTILAYER
INDUCTOR, 2.7 nH, ±0.3 nH, 0402, MULTILAYER
RESISTOR, 10 , 5%, 0402
RESISTOR, 1 , 5%, 0402
EM341 SINGLE-CHIP RF4CE SOLUTION
CRYSTAL, 24.000 MHz, ± 25 ppm STABILITY
OVER –40 to +85 ºC, 18 pF
Manufacturer
<not specified>
<not specified>
<not specified>
<not specified>
<not specified>
<not specified>
Murata LQG15HS5N1
Murata LQG15HS2N7
<not specified>
<not specified>
Ember EM341
ILSI, Abracon, KDS,
Epson
14 1
15 1
16 1
Y2 (Optional)
BLN1
ANT1
CRYSTAL, 32.768 kHz, ±20 ppm INITIAL TOLER-
ANCE AT +25ºC, 12.5 pF
BALUN, CERAMIC 50/100
ANTENNA
Abracon, KDS, Epson
Wurth 748421245
Johanson
2450BL15B100E
Murata LDB212G4010C
Johanson
2450AT18B100E
6 Rev 1.0

6 Page









EM341 pdf, datenblatt
EM341
Figure 2.2 shows typical output power against power setting on the Silicon Labs reference design.
Figure 2.2. Transmit Output Power
12 Rev 1.0

12 Page





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