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ADVANCED COMMUNICATIONS & SENSING
USER GUIDE
SX8724SEVK
Evaluation Kit for SX8724S Data Acquisition System
ACS - Revision 1.0 May 2011
© Semtech Corp.
HARDWARE DESCRIPTION
6
Board Schematic
MOSI
SCLK
GND
SS
READY
VBOARD
VUSB
1
2
J8
GND
1
2
3
4
5
6
J1
AGND
0.1uF
C13
RB6
RB4
RC7
Fe
rr
ite
F2
VBUS
1
D- 2
D+ 3
GND
5
SHL D 4
J6
H2959CT-ND
Ferrite
F1
10uF
C3
NC
C6
1uF
C7
100nF
C8
1uF
C4
100nF
C5
D1
Re d
470R
R3
SHDN
3
N
C
4
VS
S
2
VOUT
5
VIN
1
U3
MCP1802
4.7pF
C1
4.7pF
C2
VLDO
OSC2
OSC1
W2
W3
RC5
RC4
RC3
RC2
RC1
RC0
RB5
RB7
W1
AGND
VBUS
VBOARD
PGD/D+
PGC/D-
PGD/D+
PGC/D-
VBATT
MCLR/VP P
1
2
3
4
J2
VPUMP
MISO/READY
RC6
VDD
1
RA5/I OCA5/OSC1/CLKIN
2 RA4/AN3/I OCA3/OSC2/CLK OUT
3
RA3/I OCA3/MCLR/VPP
4
RC5/CCP 1/P1A/T0CK I 5
RC4/P 1B/C12OUT/SRQ
6
RC3/AN7/P 1C/C12I N3-/PGM 7
RC6/AN8/SS/T13CK I /T1OSCI
8
RC7/AN9/SDO/T1OSCO
9
RB7/I OCB7/TX/CK
10 RB6/I OCB6/SCK /SCL
11 RB5/AN11/I OCB5/RX/DT
12 RB4/AN10/I OCB4/SDI /SDA
13
RC2/AN6/P 1D/C12IN2-/CVref/I NT2 14
RC1/AN5/C12I N1-/INT1/Vref-
15
RC0/AN4/C12I N+/INT0/Vref+
16
VUSB
17
RA1/I OCA1/D- /PGC
18 RA0/I OCA0/D+/PGD
19
VSS
20
U2
PIC18F14K50-E/SS
Analog
POWER
l
SS
VEXT
USB
INTERFACES
Acquis ition
GATEWAY
2
1
HC49
Y1
22pF
C9
22pF
C10
GND
12 MHz
1
2
3
4
5
6
J7
PICK IT Serial
10K
R1
GND
0R
R2
VPP
VDD
GND
DAT
PCLK
T1G
PGC/D-
VBOARD
PGD/D+
MCLR/VPP
VEXT
22nF
C14
PROG
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
W28
W26
W29
W27
W25
MISO/READY
MOSI
SS
SCLK
10K
R5
VBATT
BOARD VOLTAGE SELECTOR
W17
W18
W19
W20
GND
VBOARD
VUSB
0.47uF
C11
0.1uF
C12
GND
RB6
RB4
RB5
RC2
RC1
RC0
W5
W6
W7
W8
W9
W10
W11
W12
W13
W14
W15
W16
VBOARD
RC5
RC4
RC3
RC6
RC7
RB7
W4
INTERFACES
MCLR/VPP
OSC2
OSC1
V_supply
MISO/READY
AC2
AC3
AC4
AC5
AC6
AC7
D0
D1
AC3
1
AC4
4
AC5
5
AC6
2
AC7
3
VBATT
6
VSS
7
READY
8
D1
9
SS
10
MISO/READY
11
D0
12
MOSI
13
SCKL
14
VPUMP
15
AC2
16
VSS
17
U1
SX8 724S
set_protocol
R7
AGND
VBOARD
RA5
RA4
RA3
RC5
RC4
RC3
RC6
RC7
RB7
RB6
RB5
RB4
RC2
RC1
BOOT LOADER
Wboot
1K
R4
GND
10K
W32
READY
