User's Manual

32
Atmel AVR2092
8427A-AVR-10/11
Appendix A – PCB design data
A.1 Schematic
Figure 8-1. REB232ED 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
CMOS-RF 01099 Dresden Koenigsbruecker Landstrasse 61 ATMEL Germany GmbH Germany
1
REB232ED V7.1.0
19.07.2011 REB232_V7.1.0.SchDoc
Title Size: Project:
Date: File:
Revision: Sheet of
A3
0.1
REB232_V7.1.0.PRJPCB
26949 JCI 2450FB15L0001
unbalanced
1
DC_GND
2
Balanced P1
3
Balanced P2
4
GND
5
nc
6
B1
Siward 19513 16MHz
1 3
2
4
Q1
26942 1uF C35
19768 22p C24
19768 22p C25
16674 10p C37
16674 10p C38
19761 100n C31
19761 100n
C32
26942 1uF C36
GND
IRQ
MCLK
MOSI
SEL_TRX
SCK
MISO
SLPTR
EVDD
GND
GND
GNDGND
GND
GND
GND
GND
GND
GND GND GND GND
GND
GND
19514
D1
2229
F1
19761 100n C33
CVTG GND
19512
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
X1
PB1
PB2PB3 PB0 PB4PB5 PD4
XT1 GND GND CVTG CVTG
PD6
NC
R4
99420R
R5
STK501 - EXPAND1
RF2RF1
S/N
SNr
19761 100n C34
14411 220Ohm@100MHz
L1
GND
19764 470 R25
GND
GND GND
GND Connection analog/digital Ground, to be done on bottom layer underneath the radio IC
Route DVSS pins to plane on top and not directly to the paddle underneath the IC
GND
4428
JP1 3561
J3
PB6
ATmega644 config ATmega1281 config
NC
R6
99420R
R7
NC
R9
99420R
R10
NC
R11
99420R
R12
NC
R13
99420R
R14
NC
R16
99420R
R17
NC
R18
99420R
R19
NC
R20
99420R
R21
NC
R22
99420R
R23
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
NC
R3
MCLK
PB7
PD7
PD7
DIG2
28436
AT86RF232
DIG4
2
AVSS
3
RFP
4
RFN
5
AVSS
6
DVSS
7
RSTN
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
AT86RF232
MLF32
DIG3
1
DIE
33
U3
DIG2
TP5
TP6 TP7
PD0PD1 PD2PD3
PD5
MISO
MOSI SCK
SEL_EE
RSTN
19761 100n C39
GND
23849 1M R24
30551 AT25010A
#CS
1
SO
2
#WP
3
GND
4
SI
5
SCK
6
#HOLD
7
VCC
8
AT25010 A
U5
GND
EE#WP
EE#WP
SEL
DEVDD EVDD
A
1
nc
2
23838 2.45GHz A1
A
1
nc
2
23838 2.45GHz A2
J3
1
GND
2
J2
3
V1
4
J1
5
V2
6
H
H
V
1
=
!
V
2
23859 2.45GHz U1
25178 3p3 C1
25178 3p3 C10
20700 0p56
C15
20700 0p56
C20
19768
22p
C11
19768
22p
C12
mm07.56.75.95.14.3 8.3 9.1
RSTN
NC R1
NC R2
DEVDD
To make use of BOD, assemble resistors with 1M0 to avoid radio wake up in case of a BOD reset condition.
RSTN SLPTR
23847 2p2 C40
Antenna Tuning Line Scale
DEVDD
DEVDD
DEVDD
23849 1M R26
DVDD
DVDD
DIG1
RFSW1 RFSW2
RFSW1 RFSW2
19761 100n C30 23848
2k2
R15
19768 22p C28
26869
1p2
C23
GND
GND
i
NetClass
ClassName: GC PL50OHM
i
NetClass
ClassName: GCPL50OHM
i
NetClass
ClassName: GCPL50OHM
VCC
5
GND
2
1
1
6
6
23860 NC7WV04
U2A
23848 2k2 R8
VCC
5
GND
2
1
1
6
6
23860 NC7WV04 U6A
VCC
8
GND
4
1
1
2
2
7
7
1
23861 NC7W P32
U4A
GND
DEVDD
SEL_TRX
RST
50 Ohm Hirose CL358-150-5-06
IN
1
OUT
2
GND
3
GND
4
30595
X2
GND
GND
GND
GND
19768 22p C29
GND
26517 Shield_BMIS
1
S1
GND
0 NC C13
0 NC
C2
0 NC
C14
0 NC
C3
0 NC
C4
0 NC
C16
0 NC
C6
0 NC
C7
0
NC
C8
0
NC
C21
0
NC
C9
0 NC C22
0NC
C26
0NC
C27
GND
GND
6 5
3
1
23861 NC7W P32
U4B
3 4
23860 NC7WV04 U6B
DEVDD
GND GND
3 4
23860 NC7WV04
U2B
TP1 TP2 TP3 TP4
S/N
MAC
mm07.5 6.7 5.9 5.1 4.38.39.1
Antenna Tuning Line Scale
13875 10k R27
32949 5 449 38 00.250.01 PCB1 PCB