Nuvoton NSP2340A1EP1 User manual

NSP2340A1EP1 User Guide
Release Date: April 2022
- 1- Rev 1.0
NSP2340A1EP1
User Guide
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NSP bases system design. Nuvoton assumes
no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com

NSP2340A1EP1 User Guide
Release Date: April 2022
- 2- Rev 1.0
Table of Contents
1. Overview ............................................................................................................................3
2. PCB Image and Placement .................................................................................................3
3. Description .........................................................................................................................5
4. NSP Writer connect to NSP2340A1EP1............................................................................6
5. Schematic ...........................................................................................................................6
6. Revision History.................................................................................................................7

NSP2340A1EP1 User Guide
Release Date: April 2022
- 3- Rev 1.0
1. Overview
NSP2340A1EP1 is a tiny demo board with N55PA01 for NSP2080A/2170A/2340A series.
2. PCB Image and Placement
The Figure 1 and Figure 2 show the PCB images of NSP2340A1EP1.
Figure 1. The Top Side
Figure 2. The Bottom Side

NSP2340A1EP1 User Guide
Release Date: April 2022
- 4- Rev 1.0
The Figure 3 and Figure 4 show the PCB placement of NSP2340A1EP1.
Figure 3. The Top Placement
Figure 4. The Bottom Placement

NSP2340A1EP1 User Guide
Release Date: April 2022
- 5- Rev 1.0
3. Description
BATT：Power supply input pin. The operating voltage is 2.0V ~ 5.5V.
JTYPEC：Type-C interface as the power supply of NSP2340A and N55PA01.
JNSP1, JNSP2：Speaker output of NSP2340A. (JNSP1 is 2.54mm pinhole, JNSP2 is 2.0
mm pinhole.)
JPA1, JPA2：Speaker output of N55PA01. (JPA1 is 2.54mm pinhole, JPA2 is 2.0mm
pinhole.)
C1, C2, C4：0.1F
C3：Reset de-bounce capacitor. (0.1F, it can be omitted.)
C5, C6：4.7F
CBATT：4.7F
R1：43KΩ
R2, R3：5.1KΩ
R4：330Ω(The resistor needs to be removed when measuring sleep current.)
POWER：Power LED
KB00, KB01：KB00 connect to BP00, KB01 connect to BP01.
U1：NSP2340A
U2：N55PA01
JDONGLE：Download the .obj file by NSP Writer.
3
NC
5
NC
7
NC
9
NC
2
VDD
4
BP01
6
BP00
8
/RESET
10
VSS
J1：
1
VDD
2
VSS
3
BP00
4
BP01
5
/RESET

NSP2340A1EP1 User Guide
Release Date: April 2022
- 6- Rev 1.0
4. NSP Writer connect to NSP2340A1EP1
NSP2340A1EP1 can be controlled through NSP Writer. The connection between the NSP
Writer and the board is shown as below.
5. Schematic
VSS
SPKN
R3
R0603
5.1K
PWMN
J1
HEADER 5
HEADER5X1
1
2
3
4
5
VDD
BP00
VSS
BP01
/RESET
SPKN
JPA1
SIP-2P
1
2SPKP
PWMN
JNSP1
SIP-2P
1
2PWMP PWMN
JNSP2
HEADER1X2_2.0
1
2PWMP
SPKN
JPA2
HEADER1X2_2.0
1
2SPKP
JTYPEC
TYPE C
JTYPEC
VSS
1
TX1+
2
TX1-
3
VBUS
4
CC1
5
D+
6
D-
7
SBU1
8
VBUS
9
RX2-
10
RX2+
11
VSS
12
VSS
13
TX2+
14
TX2-
15
VBUS
16
CC2
17
D+
18
D-
19
SBU2
20
VBUS
21
RX1-
22
RX1+
23 NC 26
NC 27
NC 28
NC 29
NC 30
NC 31
NC 32
NC 25
VSS
24
R2
R0603
5.1K
VDD
VDD
VSS
VSS
VSS
R1
R0603
43K
VDD
VDD
JDONGLE
HEADER 5X2
HEADER5X2
2
4
6
8
10
1
3
5
7
9
BP00
BP01
VDD
VSS
/RESET
BP00 VSS
KB00
SW PUSHBUTTON-SPST-2
1 4
2 3
BP01
POWER
LED
VSS
KB01
SW PUSHBUTTON-SPST-2
1 4
2 3
R4
R0603
330
VSSVDD
C3
0.1uF
C0603
/RESET
VDD
C1
0.1uF
C0603
C2
0.1uF
C0603
VDD
+CBATT
4.7uF
A-Type
VSS
BATT
DC2.0V~5.5V
U1
NSP2340A
SOP8
BP00
1
VSS
2
VDD
3
PWM+
4PWM- 5
REG 6
/RESET 7
BP01 8
PWMP
VSS
BP00 BP01
PWMN
C4
0.1uF
C0603
+C5
47uF
A-Type
U2
N55PA01
SOP8
RGAIN
1
PWMP
2
PWMN
3
VDD
4SPKVSS 5
SPKP 6
SPKVDD 7
SPKN 8
VDD VSS
PWMP VDD
SPKP
+C6
47uF
A-Type

NSP2340A1EP1 User Guide
Release Date: April 2022
- 7- Rev 1.0
6. Revision History
Version
Date
Substantial Changes
Page
1.0
April 2022
Initial Release
All
Important Notice
Nuvoton Products are neither intended nor warranted for usage in systems or equipment, any malfunction or
failure of which may cause loss of human life, bodily injury or severe property damage. Such applications are
deemed, “Insecure Usage”.
Insecure usage includes, but is not limited to: equipment for surgical implementation, atomic energy control
instruments, airplane or spaceship instruments, the control or operation of dynamic, brake or safety systems
designed for vehicular use, traffic signal instruments, all types of safety devices, and other applications intended
to support or sustain life.
All Insecure Usage shall be made at customer’s risk, and in the event that third parties lay claims to Nuvoton as a
result of customer’s Insecure Usage, customer shall indemnify the damages and liabilities thus incurred by
Nuvoton.