ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 240
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: 240 of 524
- Download datasheet (5Mb)
17.9.3 TCCR0B – Timer/Counter0 Control Register B
240
ATmega128RFA1
• Bit 7 – FOC0A - Force Output Compare A
The FOC0A bit is only active when the WGM02:0 bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero
when TCCR0B is written in a PWM operation mode. When writing a logical one to the
FOC0A bit, an immediate Compare Match is forced on the Waveform Generation unit.
The OC0A output is changed according to its COM0A1:0 bits setting. Note that the
FOC0A bit is implemented as a strobe. Therefore it is the value present in the
COM0A1:0 bits that determines the effect of the forced compare. A FOC0A strobe will
not generate any interrupt nor will it clear the timer in CTC mode using OCR0A as TOP.
The FOC0A bit is always read as zero.
• Bit 6 – FOC0B - Force Output Compare B
The FOC0B bit is only active when the WGM02:0 bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero
when TCCR0B is written in a PWM operation mode. When writing a logical one to the
FOC0B bit, an immediate Compare Match is forced on the Waveform Generation unit.
The OC0B output is changed according to its COM0B1:0 bits setting. Note that the
FOC0B bit is implemented as a strobe. Therefore it is the value present in the
COM0B1:0 bits that determines the effect of the forced compare. A FOC0B strobe will
not generate any interrupt nor will it clear the timer in CTC mode using OCR0B as TOP.
The FOC0B bit is always read as zero.
• Bit 5:4 – Res1:0 - Reserved Bit
This bit is reserved for future use. A read access always will return zero. A write access
does not modify the content.
• Bit 3 – WGM02 -
Combined with the WGM01:0 bit found in the TCCR0A Register, these bits control the
counting sequence of the counter, the source for maximum (TOP) counter value, and
what type of waveform generation to be used. Modes of operation supported by the
Timer/Counter unit are: Normal mode (counter), Clear Timer on Compare Match (CTC)
mode, and two types of Pulse Width Modulation (PWM) modes (see section "Modes of
Operation").
• Bit 2:0 – CS02:00 - Clock Select
The three Clock Select bits select the clock source to be used by the Timer/Counter0
according to the following table.If external pin modes are used for Timer/Counter0,
transitions on the T0 pin will clock the counter even if the pin is configured as an output.
This feature allows software control of the counting.
Table 17-9 CS0 Register Bits
Bit
$25 ($45)
Read/Write
Initial Value
Register Bits
CS02:00
FOC0A
W
7
0
FOC0B
W
6
0
Res1
R
5
0
Value
0x00
0x01
0x02
0x03
Res0
R
4
0
WGM02
Description
No clock source (Timer/Counter0 stopped)
clk_IO/1 (no prescaling)
clk_IO/8 (from prescaler)
clk_IO/64 (from prescaler)
RW
3
0
CS02
RW
2
0
CS01
RW
1
0
8266A-MCU Wireless-12/09
CS00
RW
0
0
TCCR0B
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