CDB5378 Datasheet, PDF (7/72 Pages) Cirrus Logic – Single-channel Seismic Evaluation System

CDB5378
J19
Voltage Reference Jumpers
VREF- 4 ---------- 3
VREF+ 2 ---------- 1
J10
VA- Voltage Selection
-2.5VA 1 ---------- 2
GND
3* *4
EXT_VA- 5 * * 6
J11
VA+ Voltage Selection
+2.5VA 1 ---------- 2
+5VA
3* *4
EXT_VA+ 5 * * 6
J12
VD Input Voltage Source
EXT_VA+ 1 * * 2
EXT_VD 3 ---------- 4
J22
VD Voltage Selection
+3.3VD 1 ---------- 2
EXT_VD 3 * * 4
J13
VCORE Input Voltage Source
EXT_VA+ 1 * * 2
EXT_VD 3 ---------- 4
J21
VCORE Voltage Selection
+3.3VD 1 ---------- 2
+2.5VD 3 * * 4
EXT_VD 5 * * 6
Table 3. VREF, Power Supplies Default Jumper Settings
J16, J17, J18
Digital Filter, CPLD,
Microcontroller
Input Clock Selections
32.768 MHz 1 ---------- 2
16.384 MHz 3 * * 4
8.192 MHz 5 * * 6
4.096 MHz 7 * * 8
2.048 MHz 9 * * 10
1.024 MHz 11 * * 12
CLK_EXT 13 * * 14
15 * * 16
J5
Clock Input TERM
50 Ohms 2 * * 1
Table 4. Clock Default Jumper Settings
DS639DB3
7