ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 30
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: 30 of 385
- Download datasheet (8Mb)
XMEM Register
Description
MCU Control Register
– MCUCR
External Memory
Control Register A –
XMCRA
30
ATmega128
Figure 16. External Data Memory Cycles with SRWn1 = 1 and SRWn0 = 1
Note:
• Bit 7 – SRE: External SRAM/XMEM Enable
Writing SRE to one enables the External Memory Interface.The pin functions AD7:0, A15:8,
ALE, WR, and RD are activated as the alternate pin functions. The SRE bit overrides any pin
direction settings in the respective data direction registers. Writing SRE to zero, disables the
External Memory Interface and the normal pin and data direction settings are used.
• Bit 6 – SRW10: Wait-state Select Bit
For a detailed description in non-ATmega103 compatibility mode, see common description for
the SRWn bits below (XMCRA description). In ATmega103 compatibility mode, writing SRW10
to one enables the wait-state and one extra cycle is added during read/write strobe as shown in
Figure
• Bit 7 – Res: Reserved Bit
This is a reserved bit and will always read as zero. When writing to this address location, write
this bit to zero for compatibility with future devices.
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 1)
14.
1. SRWn1 = SRW11 (upper sector) or SRW01 (lower sector), SRWn0 = SRW10 (upper sector) or
SRW00 (lower sector).
The ALE pulse in period T7 is only present if the next instruction accesses the RAM (internal
or external).
DA7:0
A15:8
CPU
ALE
WR
RD
SRE
R/W
)
R
7
0
7
–
0
Prev. addr.
Prev. data
Prev. data
Prev. data
SRW10
SRL2
R/W
R/W
T1
6
0
6
0
Address
Address
SRL1
R/W
R/W
SE
Address
5
0
5
0
T2
XX
SRL0
SM1
R/W
R/W
4
0
4
0
Address
T3
Data
Data
Data
SRW01
SM0
R/W
R/W
3
0
3
0
T4
SRW00
SM2
R/W
R/W
2
0
2
0
T5
SRW11
IVSEL
R/W
R/W
1
0
1
0
IVCE
T6
R/W
R
0
0
0
–
0
(1)
MCUCR
XMCRA
T7
2467V–AVR–02/11
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