ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 408
ATMEGA128RFA1-ZU
Manufacturer Part Number
ATMEGA128RFA1-ZU
Description
IC AVR MCU 2.4GHZ XCEIVER 64QFN
Manufacturer
Atmel
Series
ATMEGAr
Datasheets
1.ATMEGA128-16AU.pdf
(385 pages)
2.ATAVR128RFA1-EK1.pdf
(13 pages)
3.ATAVR128RFA1-EK1.pdf
(555 pages)
4.ATMEGA128RFA1-ZU.pdf
(524 pages)
Specifications of ATMEGA128RFA1-ZU
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee
Applications
General Purpose
Power - Output
3.5dBm
Sensitivity
-100dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
12.5mA
Current - Transmitting
14.5mA
Data Interface
PCB, Surface Mount
Memory Size
128kB Flash, 4kB EEPROM, 16kB RAM
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN, Exposed Pad
Rf Ic Case Style
QFN
No. Of Pins
64
Supply Voltage Range
1.8V To 3.6V
Operating Temperature Range
-40°C To +85°C
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
16 KB
Interface Type
JTAG
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
38
Number Of Timers
6
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVR128RFA1-EK1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA128RFA1-ZU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA128RFA1-ZUR
Manufacturer:
ON
Quantity:
56 000
- ATMEGA128-16AU PDF datasheet
- ATAVR128RFA1-EK1 PDF datasheet #2
- ATAVR128RFA1-EK1 PDF datasheet #3
- ATMEGA128RFA1-ZU PDF datasheet #4
- Current page: 408 of 524
- Download datasheet (5Mb)
26.2 Register Description
26.2.1 ACSR – Analog Comparator Control And Status Register
408
ATmega128RFA1
• Bit 7 – ACD - Analog Comparator Disable
When this bit is written logic one, the power to the Analog Comparator is switched off.
This bit can be set at any time to turn off the Analog Comparator. This will reduce power
consumption in Active and Idle mode. When changing the ACD bit, the Analog
Comparator Interrupt must be disabled by clearing the ACIE bit in ACSR. Otherwise an
interrupt can occur when the bit is changed.
• Bit 6 – ACBG - Analog Comparator Bandgap Select
When this bit is set, a fixed bandgap reference voltage connects to the positive input of
the Analog Comparator. When this bit is cleared, AIN0 is applied to the positive input of
the Analog Comparator. When the bandgap reference is used as the input of the
Analog Comparator, it will take a certain time for the voltage to stabilize. If not
stabilized, the first comparison may give a wrong value. See section "Internal Voltage
Reference" for details.
• Bit 5 – ACO - Analog Compare Output
The output of the analog comparator is synchronized and then directly connected to
ACO. The synchronization introduces a delay of 1-2 clock cycles.
• Bit 4 – ACI - Analog Comparator Interrupt Flag
This bit is set by hardware when a comparator output event triggers the interrupt mode
defined by ACIS1 and ACIS0. The Analog Comparator Interrupt routine is executed if
the ACIE bit is set and the I-bit in SREG is set. ACI is cleared by hard-ware when
executing the corresponding interrupt handling vector. Alternatively, ACI is cleared by
writing a logic one to the flag.
• Bit 3 – ACIE - Analog Comparator Interrupt Enable
When the ACIE bit is written logic one and the I-bit in the Status Register is set, the
analog comparator interrupt is activated. When written logic zero, the interrupt is
disabled.
• Bit 2 – ACIC - Analog Comparator Input Capture Enable
When written logic one, this bit enables the input capture function in Timer/Counter1 to
be triggered by the Analog Comparator. The comparator output is in this case directly
connected to the input capture front-end logic, making the comparator utilize the noise
canceler and edge select features of the Timer/Counter1 Input Capture interrupt. When
written logic zero, no connection between the Analog Comparator and the input capture
function exists. To make the comparator trigger the Timer/Counter1 Input Capture
interrupt, the ICIE1 bit in the Timer Interrupt Mask Register (TIMSK1) must be set.
Bit
$30 ($50)
Read/Write
Initial Value
ACME
1
1
1
ADEN
0
0
0
ACD
RW
7
0
MUX5
ACBG
RW
0
0
0
6
0
ACO
MUX2:0
NA
R
5
101
110
111
RW
ACI
4
0
ACIE
RW
Analog Comparator Negative Input
3
0
ACIC
RW
2
0
ADC5
ADC6
ADC7
ACIS1
RW
1
0
8266A-MCU Wireless-12/09
ACIS0
RW
0
0
ACSR
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