FM收音机 原理图
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4
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STMP3410
2
1
DISPLAY
Liquid Crystal Display (LCD)
Page 5
Voltage Generation C Page 6
Button Matrix
USB & AUDIO Page 2
Microphone
tel: (512)381-3700
A
STMP3410-EVK Schematics
Title
USB & Audio Connections
Size
This design is the property of SigmaTel, Inc. It is offered Rev
X1 1 2
Microphone Panasonic WM-52BM
RES-0603
C39
+
0.1uF
CAP-0603
C38 10uF Tantalum 10V
C37 0.1uF
MIC
CAP-0603
C97 CAP CAP-0603 NOPOP
A AGND
AGND
LAYOUT NOTE:
1
1 OUTPUT
DEMONSTRATION MODE
This mode is for normal MP3 playback or battery life measurements using a AAA battery.
SWITCH
A
SWITCH
POSITION
MODE SELECT
DEMO
FM TUNER Page 7 FM Tuner
D
5
L5
1 CUI SJ-3525N
HP_CONN_L 600 Ohms @ 100MHz
IND-0805
HP_GND_A
L6 600 Ohms @ 100MHz
IND-0805
R20 100 RES-0603
R21 100 RES-0603
AGND
AGND
+
+
4
C32 220uF 4V CAP7243
Do not populate R24. To use LINE_IN_R to bias the microphone,
R24 0 Ohm RES-0603 NOPOP
R26 2.2K 10%
R25 2.2K RES-0603 10%
populate R24 with a zero ohm resistor. Do not populate: R25, R26, C38, C39.
2
2 GROUND
BOTTOM VIEW
PANASONIC WM-52B Microphone Cartridge
5
4
3
2
1
USB Connector
USB Jack Pins 5 and 6 are pins connecting to the USB connector outer shield
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4
STMP3410-EVK - D-MajorTM Evaluation Kit
REVISION HISTORY
REV. A - 05-06-02 - Initial Release
D
3
Block Diagram
MAIN MEMORY Page 4 NAND FLASH x2
SD/MMC Socket SmartMedia Socket
HP_GND_A
HP_GND_A
LAYOUT NOTE:
5 4 1 3 2
BOTTOM VIEW CUI STACK SJ-3525N 3.5mm Audio Jack
LAYOUT NOTE:
2 Plug Inserted
1
This
3
4
Direction
5
6
Board Edge
TOP VIEW MOLEX 67068
Line-In Circuit
C L21
J5
2
3
4
5
1
CUI SJ-3525N
L20
600 Ohms @ 100MHz C102 1uF
IND-0805
CAP-0805
L22
C103 1uF
600 Ohms @ 100MHz
IND-0805
CAP-0805
LINE_IN_R FM_R FM_L
LINE_IN_L
In order to maximize ESD immunity, the industrial design plastics should
expose the USB Connector as little as possible.
D
L13, L14, R80, and R81 are placeholders for optional ferrites that can be populated for ESD immunity if necessary. If they are not required, populate a 0 ohm resistor.
Universal Serial Bus (USB) Connector Headphone Connector
LINE IN Jack
D
C
Host Computer Headphones
B
SigmaTel, Inc.
3815 Capital of Texas Hwy.
Suite 300
Austin, TX 78704
C36 0.1uF CAP-0603
R19
R81
USB_D+
L13 0 Ohm
22
0 Ohm
RES-0603 RES-0603
C
Resistor
IND-0805
GND
GND
B
SigmaTel, Inc.
3815 Capital of Texas Hwy.
Suite 300
Austin, TX 78704
PSWITCH
USB_D+ USB_D-
U1
80 81
usb_dplus usb_dminus
NOTE: Vag and Vbg filter caps should have their ground return paths to VssA1, pin 72. 67 vag
LAYOUT NOTE: Part
3
C2 0.01uF CAP-0603
C3 0.1uF CAP-0603
C4 1uF CAP-0805
+ C1 68uF CAP-7243
GND
C9 0.01uF
CAP-0603
C10 0.1uF
CAP-0603
C11 1uF
CAP-0805
+ C8 68uF CAP-7243
1.5V_BATTERY
GPIO_00
Note: POST MUST be enabled on TA3 and subsequent revisions.
B
on an "as is" basis, and carries no implied warranty.
A
Date: Tuesday, October 01, 2002
Sheet
1
of 9
1
5
Headphone
L4
J1
2
HP_CONN_R 600 Ohms @ 100MHz
3
IND-0805
4
66 vbg
C
foot print should
+ C16
support a 0603 or a
10uF
3216 capacitor.
Tantalum
R2 470K 1% RES-0603
One cap for each pin
C17 0.1uF
VDDA (73, 61)
CAP-0603
73 61
vdda1 vdda2
tel: (512)381-3700
A
STMP3410-EVK Schematics
Title
STMP3410-EVK Overview
Size
This design is the property of SigmaTel, Inc. It is offered Rev
L2 4.7uH 1 W
Panasonic: ELL-6SH4R7M
GND
+ C14 68uF CAP-7243
GND
C15 1uF
CAP-0805
The L2 inductor is a critical component - for best battery life, L2 should be a quality, low-ESR inductor. The Panasonic ELL6H inductor or equivalent is recommended for this component.
B
on an "as is" basis, and carries no implied warranty.
A
Date: Tuesday, October 01, 2002
Sheet
2
of 9
2
1
5
4
STMP3410 100-Pin TQFP - BOOST MODE
