5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Place sockets to
match spacing of
through-hole crystal
Place close to
crystal Y3
SILKSCRN:
OSCI
SILKSCRN:
JUMPER IN = WP OFF
SILKSCRN:
RESET
JP12~JP15 Default Jump Up
SPI Bus
I2 Bus
SILKSCRN:
JUMPER IN = JTAG
375 Terry Fox Drive, Ottawa, ON K2K 0J8
375 Terry Fox Drive, Ottawa, ON K2K 0J8
375 Terry Fox Drive, Ottawa, ON K2K 0J8
R
4
5
0
R117
33
15
-0
1-
16
Rv
R
0552-2-15-01-11-27-10-0
P1
DNS
1
RK
19-03-13
J45
5-1814832-1
R
9
3
5
.7
k
R470
DNS
04-06-14
RvR
SW1
KMR211GLFS
SWITCH TACTILE SPST-NO 0.05A 32V
1
2
5
3
4
C
4
2
6
.0
1
u
F
C766
12pF
R
4
4
7
.7
k
RvR
11-11-14
A08-LC-TT
P3
IC SOCKET STRAIGHT 8POS TIN
1
2
3
4
5
6
7
8
C996
0.1uF
R121
33
R
4
4
2
0
k
R9758
33
R
4
5
3
.7
k
4
1
7
.1
u
F
JP13
EEPROM_SEL
R118
33
Y2
A-50.000-12-EXT
CRYSTAL 50MHZ 12PF 30PPM HC49/U
DNS
C
4
1
5
.1
u
F
15
-0
1-
16
Rv
R
0552-2-15-01-11-27-10-0
P2
DNS
1
R122
33
R471
DNS
R
4
5
4
.7
k
R
4
4
6
.7
k
R
4
4
8
.7
k
R
4
4
3
0
k
N
S
R449
1k
C759
1.0uF
DNS
JP14
EEPROM_SEL
R
4
5
5
.7
k
R119
33
28-01-14 RvR
U408
24LC64-I/P
IC EEPROM 64KBIT 400KHZ 8DIP
DNS
1
2
3
4
5
6
7
8
33
18-03-13 RK
TSM-102-01-T-SV
J7
CONN HEADER 2POS 0.1IN PITCH SMD
1
2
R469
DNS
R
4
4
5
k
R
4
4
4
0
k
C
4
1
6
.1
u
F
N
S
C765
12pF
R
4
5
2
.7
k
N
S
R
4
7
3
0
D
R9751
DNI
18-03-13 RK
TSM-102-01-T-SV
J83
CONN HEADER 2POS 0.1IN PITCH SMD
1
2
R120
33
JP15
EEPROM_SEL
R
4
5
1
.7
k
N
S
DM
25-11-15
Y3
CX3225GB50000P0HPQCC
CRYSTAL 50.000MHZ 20PPM 18PF SMD
1
3
2
4
EM
08-04-14
U407
TPS3808G01DRVR
ADJ SUPPLY MONITOR PRG DLY 6QFN
3
5
6
1
2
4
7
JP12
EEPROM_SEL
R468
39
R472
DNS