User's Manual
Table Of Contents
18
Atmel AVR2080
8479A-AVR-01/12
Appendix A – PCB design data
A.1 Schematic
Figure 8-1. Atmel REB231FE2 schematic.
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
1
MCU Wireless
01099 Dre sden
Koenigsbruecker La ndstrass e 61
ATMEL Automotive GmbH
Germany
1
RadioExtender231FE2
7/5/2011
Title
Size: Project:
Date:
File:
Revision: Sheet of
A3
1
DGND
IRQ
MCLK
MOSI
SEL_TRX
SCK
MISO
SLPTR
EVDD
DGND
DGND
DGNDDGND
DGND
DGNDDGNDDGND
DGND DGND DGND
DGND
CVTG
DGND
PB1
PB2PB3
PB0
PB4PB5
PD4
XT1
DGND DGND
CVTG CVTG
PD6
STK501 - EXPAND1
S/N
S/N1
DGND
DGND
DGND
DGND
DGND
Route DVSS pins to
plane on top and not
directly to the paddle
underneath the IC
PB6
ATmega644 config ATmega1281 config
RSTN
SLPTR
MCLK
IRQ
MOSI
SEL
SCK
MISO
RSTN
DIG2
SLPTR
MCLK
IRQ
MOSI
SEL
SCK
MISO
PB2
PD6
PB1
PB7
PB6
PB5
PB4
PD2
PB2
PB3
PB0
PB1
PD0
PD4
PB5
PB4
PD6
MCLK
PB7
PD7
PD7
DIG2
DIG2
TP6
TP7
PD0PD1
PD2PD3
PD5
TP4
TP
TP3
TP
TP2
TP
TP1
TP
MISO
MOSI
SCK
SEL_EE
RSTN
DGND
DGND
EE#WP
EE#WP
SEL
DEVDD EVDD
mm
07.9 7.1 6.3 5.510.3 8.79.5
mm
07.16.35. 5 7.9 8.7 9.5 10.3
Antenna Tuning Line Scale
DGND
DGND DGND DGND DGND DGND DGND DGND
DGNDDGND DGNDDGNDDGND DGND
DGND DGND
RSTN
DEVDD
To make use of BOD ,
assemble resistors with
1M0 to avoid radio
wake up in case of a
BOD rese t condi tion.
RSTN
SLPTR
Antenna Tuning Line Scale
DEVDD
DEVDD
DEVDD
DIG1
DGND
DEVDD
SEL_TRX
RST
DGND
DGND
DIG1
CSD
DIG3
DGND
DGND
DGND
EVDD
EVDD
DIG3
DIG4
CSD
TP5
TP
DGND DGND
DGND DGND
DGND
i
Net Class
i
Net Class
i
Net Class
i
Net Class
i
Net Class
i
Net Class
i
Net Class
i
Net Class
1
LT08AD43 03F
SH1
incl. A08-0961
1
2
A2
2.45GHz
3.3p
C2
22pF
C12
22pF
C11
1
2
A1
2.45GHz
3.3p
C1
100nF
C42
100nF
C30
100nF
C31
100nF
C37
10pF
C39
10pF
C38
10pF
C34
1.5k
R19
0R00
R10
0R00
R11
0R00
R12
0R00
R13
0R00
R14
0R00
R15
0R00
R16
0R00
R17
0R00
R18
R1
nc
R2
nc
R3
nc
1.2k
R29
22pF
C43
1uF
C29
1uF
C32
1uF
C33
1uF
C28
C13
nc
C3
nc
C4
nc
C5
nc
C6
nc
C14
nc
C7
nc
C8
nc
C9
nc
C10
nc
C20
nc
C21
nc
R20
nc
R21
nc
R22
nc
R23
nc
R24
nc
R25
nc
R26
nc
R27
nc
R28
nc
1M00
R7
4.7uF
C18
4.7uF
C26
49.9R
R6
470R
R8
1M00
R9
2.2pF
C36
350mA
F1
Jumper
X4
BZG05C3V9
D1
1 3
2
4
16MHz
Q1
12pF
C35
VCC
8
GND
4
1
1
2
2
1
7
NC7WP32K8X_NL
U4A
6
6
5
5
1
3
NC7WP32K8X_NL
U4B
VCC
5
GND
2
1 6
NC7WV04P6X_NL
U6A
3 4
NC7WV04P6X_NL
U6B
DGND
74279263
L1
Inductor_Iron
DEVDD
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
1007-121-040
X1
R32
nc
0R00
R31
DGND
C15
nc
C22
nc
FIDUCIAL 1.5mm
RF2
FIDUCIAL 1.5mm
RF1
PCB1
PCB
EVDD
113kR30
2.7nH
L2
2.7nH
L3
1.0pF
C25
1.0pF
C27
1.0pF
C40
1.0pF
C41
DIG3
1
DIG4
2
AVSS
3
RFP
4
RFN
5
AVSS
6
TST
7
RST
8
DIG1
9
DIG2
10
SLP_TR
11
DVSS
12
DVDD
13
DVDD
14
DEVDD
15
DVSS
16
AVSS
32
AVSS
31
AVSS
30
AVDD
29
EVDD
28
AVSS
27
XTAL1
26
XTAL2
25
IRQ
24
SEL
23
MOSI
22
DVSS
21
MISO
20
SCLK
19
DVSS
18
CLKM
17
AVSS
33
AT86RF231-ZU
U3
AT86RF231
IN
C
A
GND
GND
MS-147
X2
DGND
IN
C
A
GND
MS-147
X3
DGND
1
2
1001-121 -002
JP1
B2
1
DNC
3
T/R
6
DNC
4
VDD
5
B1
2
DNC
7
DNC
8
GND
9
GND
10
GND
11
GND
12
ANT2
13
GND
14
ANT1
15
ANT_SEL
16
DNC
17
GND
18
VCC2
19
CSD
20
CPS
21
VCC1
22
BOUT
23
CTX
24
Paddle (GND)
25
SE2431L- R
U1
DGND
EVDD
#CS
1
SO
2
#WP
3
GND
4
SI
5
SCK
6
#HOLD
7
VCC
8
AT25010B
AT25010B-MAHL-T
U5
GND