ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 230
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: 230 of 524
- Download datasheet (5Mb)
17.6 Compare Match Output Unit
17.6.1 Compare Output Mode and Waveform Generation
230
ATmega128RFA1
Be aware that the COM0x1:0 bits are not double buffered together with the compare
value. A Change of the COM0x1:0 bits will take effect immediately.
The Compare Output mode (COM0x1:0) bits have two functions. The Waveform
Generator uses the COM0x1:0 bits for defining the Output Compare (OC0x) state at the
next Compare Match. The COM0x1:0 bits control also the OC0x pin output source.
Figure 17-4 shows a simplified schematic of the logic affected by the COM0x1:0 bit
setting. The I/O Registers, I/O bits and I/O pins in the figure are shown in bold. Only the
parts of the general I/O Port Control Registers (DDR and PORT) affected by the
COM0x1:0 bits are shown. When referring to the OC0x state, the reference is to the
internal OC0x Register and not to the OC0x pin. The OC0x Register is reset to “0” if a
system reset occurs.
Figure 17-4. Compare Match Output Unit Schematic
The general I/O port function is overridden by the Output Compare (OC0x) from the
Waveform Generator if either of the COM0x1:0 bits are set. However the OC0x pin
direction (input or output) is still controlled by the Data Direction Register (DDR) of the
port pin. The Data Direction Register bit of the OC0x pin (DDR_OC0x) must be set as
output before the OC0x value is visible at the pin. The port override function is
independent of the Waveform Generation mode.
The design of the Output Compare pin logic allows initializing the OC0x state before the
output is enabled. Note that some COM0x1:0 bit settings are reserved for certain
modes of operation (see
The Waveform Generator uses the COM0x1:0 bits differently in Normal, CTC and PWM
modes. A setting of COM0x1:0 = 0 tells the Waveform Generator in all modes that no
action on the OC0x Register is to be performed on the next Compare Match. For
compare output actions in the non-PWM modes refer to Table 17-2. For fast PWM
mode refer to Table 17-3 and for phase correct PWM refer to Table 17-4.
COMnx1
COMnx0
FOCn
clk
I/O
Waveform
Generator
"Register Description" on page
D
D
D
PORT
DDR
OCnx
Q
Q
Q
238).
1
0
8266A-MCU Wireless-12/09
OCnx
Pin
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