1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
*
Xmega_212B_Toplevel.SchDoc
1 42/6/2014 4:25:58 PM
ATZB-X0-256-4-0-CN
ATMEL Chennai
Chennai
INDIA
PAGE: of
TITLE:
Document number: Revision: 5
Date:
OJS
MSK
*
a
B
SPI INTERFACE
GPIO/ADC
GPIO/ADC/ANALOGCOMP
GPIO/ADC/DAC
INT/PWM/GPIO
JTAG
TWI
UART/USART
PDI/GPIO
CONNECTOR
Xmega_212B_Connector.SchDoc
TRX_I/F
SPI INTERFACE
GPIO/ADC
GPIO/ADC/ANALOGCOMP
GPIO/ADC/DAC
INT/PWM/GPIO
JTAG
TWI
UART/USART
PDI/GPIO
XMEGA233
Xmega_212B_MCU.SchDoc
TRX_I/F
RF
Xmega_212B_RF.SchDoc
Product number/revision
Serial number
Label ZigBit Shield
LABEL1
ZigBit Xmega Sub-GHz board PCB
PCB200
COLABEL1
COPCB200
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
A08-1567
Xmega_212B_RF.SchDoc
2 22/6/2014 4:25:58 PM
ATZB-X0-256-4-0-CN
ATMEL India
RMZ Millenia
MGR Road
Chennai
PAGE: of
TITLE:
Document number: Revision: 5
Date:
OJS
MSK
MSK
GND
GND
RESET_N
SLP_TR
CLKM
DIG3
DIG4
IRQ
nSEL
MOSI
SCLK
MISO
DIG2
DIG1
GND
GND
i
PCB Rule
i
PCB Rule
AN_VCC_3V3
VCC_3V3
DIG4
2
AVSS
3
RFP
4
RFN
5
AVSS
6
DVSS
7
/RST
8
DIG1
9
DIG2
10
SLP_TR
11
DVSS
12
DVDD
13
DVDD
14
DEVDD
15
DVSS
16
CLKM
17
DVSS
18
SCLK
19
MISO
20
DVSS
21
MOSI
22
/SEL
23
IRQ
24
XTAL2
25
XTAL1
26
AVSS
27
EVDD
28
AVDD
29
AVSS
30
AVSS
31
AVSS
32
DIG3
1
PAD
33
AT86RF212B-ZU
U1
GND
50Ohm
1
GND
2
Bal
3
Bal
4
GND
5
GND
6
0896FB15A0100B1
GND
0R
R2
0R
R3
1uFC6
1uFC7
1uF
C1
1uF
C2
2.2 pFC3
10 pF
C8
10 pF
C11
680R
R1
RF_N
RF_P
FEED POINT
1
NC
2
0915AT43A0026A1
RF_IN
1
RF_OUT
2
GND
3
GND
4
MS147J1
GND_RF
GND_RF GND_RF
GND_RF
GND_RF
GND_RF
GND_RF GND_RF
1 3
2
4
16.0MHz
Q1
68pFC5
GND_RF GND_RF
IRQ
nSEL
MOSI
SCLK
MISO
SLP_TR
RESET_N
DIG2
TRX_I/F
TRX_nSEL
TRX_SCK
TRX_MOSI
TRX_MISO
TRX_nRST
TRX_IRQ
TRX_DIG2
SLP_TR
CLKM
TRX_I/F
CLKM
4.7nH
L1
8.2nHL2
GND_RF
5.6pF
C12
tune the values for
Antenna matching
Place de-coupling closer
to TRX
Place de-coupling closer
to TRX
Place xtal circuit closer
to TRX . Isolate from
digital signals.
BoM Varients for Antenna:
Japanese/North American Band
0915AT43A0026
European Band 0868AT43A0020
Chinese Band 0783AT43A0008
BoM Varients:
Japanese/North American Band
DNI-R2, DNI-R3
European Band Mount-R2, DNI-R3
Chinese Band Mount-R2, Mount-R3
Layout:
Maintain two ground planes and
two power planes
BoM varients for Balun:
Jap/NA Band
0896FB15A0100
European Band 0896FB15A0100
Chinese Band 0783FB15A0100