ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 113
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
Specifications of ATmega1284PR231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
16
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
- Current page: 113 of 198
- Download datasheet (5Mb)
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
Related parts for ATmega1284PR231
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Microcontroller with 128K bytes In-system programmable flash, 8 MHz, power supply =2.7 - 5.5V
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Microcontroller with 128K Bytes In-System Programmable Flash
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
IC AVR MCU 2.4GHZ XCEIVER 64QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU ATMEGA644/AT86RF230 40-DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
BUNDLE ATMEGA644P/AT86RF230 QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
BUNDLE ATMEGA644P/AT86RF230 TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU ATMEGA1281/AT86RF230 64-TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU, 8BIT, AVR, 16K FLASH, 28PDIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
Microcontroller Modules MCU CARD BIGAVR6 100P W/ ATMEGA2560
Manufacturer:
mikroElektronika