AT86RF231-ZU Atmel, AT86RF231-ZU Datasheet - Page 113
![IC TXRX ZIGBE/802.15.4/ISM 32QFN](/photos/14/21/142149/mfg_at86rf231-zu_sml.jpg)
AT86RF231-ZU
Manufacturer Part Number
AT86RF231-ZU
Description
IC TXRX ZIGBE/802.15.4/ISM 32QFN
Manufacturer
Atmel
Datasheet
1.AT86RF231-ZUR.pdf
(198 pages)
Specifications of AT86RF231-ZU
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee, 6LoWPAN, RF4CE, SP100, WirelessHART™, ISM
Applications
Industrial Monitoring and Control, Wireless Alarm and Security Systems
Power - Output
-17dBm ~ 3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
12.3mA
Current - Transmitting
14mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Number Of Receivers
1
Number Of Transmitters
1
Wireless Frequency
2405 MHz to 2480 MHz
Interface Type
SPI
Noise Figure
6 dB
Output Power
20 dB
Operating Supply Voltage
2.5 V, 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Supply Current
12.3 mA
Minimum Operating Temperature
- 40 C
Modulation
OQPSK
Protocol Supported
802.15.4
Transmitting Current
11.6mA
Data Rate
2Mbps
Frequency Range
2.405GHz To 2.48GHz
Modulation Type
O-QPSK
Sensitivity Dbm
-101dBm
Rf Ic Case Style
QFN
No. Of Pins
32
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT86RF231-ZU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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9.5
9.5.1
9.5.2
9.5.3
8111C–MCU Wireless–09/09
Battery Monitor (BATMON)
Overview
Configuration
Data Interpretation
The main features of the battery monitor are:
The battery monitor (BATMON) detects and indicates a low supply voltage of the external supply
voltage at pin 28 (EVDD). This is done by comparing the voltage on the external supply pin 28
(EVDD) with a configurable internal threshold voltage. A simplified schematic of the BATMON
with the most important input and output signals is shown in
Figure 9-6.
The BATMON can be configured using the register 0x11 (BATMON). Register subfield
BATMON_VTH sets the threshold voltage. It is configurable with a resolution of 75 mV in the
upper voltage range (BATMON_HR = 1) and with a resolution of 50 mV in the lower voltage
range (BATMON_HR = 0), for details refer to register 0x11 (BATMON).
The signal bit BATMON_OK of register 0x11 (BATMON) monitors the current value of the bat-
tery voltage:
After setting a new threshold, the value BATMON_OK should be read out to verify the current
supply voltage value.
Note, the battery monitor is inactive during P_ON and SLEEP states, see status register 0x01
(TRX_STATUS).
• Configurable voltage threshold range: 1.7V to 3.675V
• Generates an interrupt when supply voltage drops below a threshold
• If BATMON_OK = 0, the battery voltage is lower than the threshold voltage
• If BATMON_OK = 1, the battery voltage is higher than the threshold voltage
BATMON_VTH
BATMON_HR
4
Simplified Schematic of BATMON
For input-to-output mapping
see control register
0x11 (BATMON)
DAC
Threshold
EVDD
Voltage
+
-
Figure 9-6 on page
„1“
BATMON_OK
D
clear
Q
AT86RF231
BATMON_IRQ
113.
113
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