View detail for Reference Design - Hardware Schematics for AT83SND2CMP3

4
2
P2[7:0]
P2.3
C
P2.7
EA#
EXT_ACCESS[3:0]
RST
FILT
PVDD
PVSS
X1
X2
B3
C2
C3
C4
C5
D5
C6
D6
A8
B8
B9
C9
C10
C8
D10
D9
E10
B1
A1
G10
F4
F3
G2
H3
H4
TST#
SDA
SCL
P3.1
P3.0
P3.3
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
EA#
PSEN#/ISP#
ALE
RST
FILT
PVDD
PVSS
X2
X1
nc
nc
MCLK
MCMD
MDAT
DCLK
DSEL
DOUT
SCLK
AUDRST#
CBP
LPHN
HPN
HPP
PAINN
PAINP
MONON
MONOP
AUXP
AUXN
LINER
LINEL
HSL
HSR
nc
nc
VSS
VSS
VSS
VSS
VSS
VDD
VDD
VDD
VDD
VDD
VDIG
nc
AUDVDD
AUDVSS
AUDVSS
AUDVSS
AUDVBAT
ESDVSS
AUDVREF
HSVSS
HSVDD
AUDVCM
INGND
nc
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
D
DD+
UVDD
UVSS
P4.3/SS#
P4.2/SCK
P4.1/MOSI
P4.0/MISO
P3.7/RD#
P3.6/WR#
P3.5/T1
P3.4/T0
P3.3/INT1#
P3.2/INT0#
P3.1/TXD
P3.0/RXD
nc
nc
nc
nc
nc
TST#
SDA
SCL
KIN0
U1
P0[7:0]
TWI[2:0]
J3
J2
K2
K1
C7
B6
A7
B7
J6
J5
H6
G6
K4
F7
F6
G5
D4
D3
D2
C1
F8
H5
E5
E3
B2
DD+
USB[1:0]
1
TST#
P3.7
P3.6
P3.5
P3[7:0]
D
3
UVDD
UVSS
SND2_IRQ_Controller
5
VDD
MMC[2:0]
MCLK
MCMD
MDAT
VDD
TST#
AUDIO[18:0]
AUDRST#
CBP
LPHN
HPN
HPP
PAINN
PAINP
MONON
MONOP
AUXP
AUXN
LINER
LINEL
HSL
HSR
EA#
TEST[5:0]
EXT_ACCESS[3:0]
C
A10
J4
H9
F5
E9
A5
A6
E8
E6
K3
J10
B10
A9
E1
J9
K5
H1
K7
E7
E4
G1
F1
J1
H2
A4
CLOCK[2:0]
D1
H10
D8
F10
F9
H7
G7
H8
G8
G9
J8
J7
K6
K8
K9
K10
B5
B4
A3
A2
G4
G3
E2
F2
D7
B
B
INGND
HSVSS
HSVDD
VDD
AUDVDD
VSS
AUDVBAT
ESDVSS
AT83SND2MP3_CTBGA100
C1
C2
C3
100n
10u
10u
VDD
C4
C5
C6
1n
1n
1n
C7
C8
C9
1n
1n
1n
VSS
PVDD
VDD
A
C10
C11
C12
C13
C14
C15
100n
100n
100n
100n
100n
100n
Connection to Remote Controller
###############################
# UART RX and TX
# VSS
# Reset
# Optionnal SND2_IRQ_Controller (snd2 output)
####
AUDVSS
AUDVDD
C17
C18
C19
C20
C21
100n
1n
100n
1n
100n
1n
PLL
Decoupling
CPU decoupling
HSVDD
C16
PVSS
VSS
UVDD
UVSS
C22
1n
HSVSS
USB
Decoupling
C23
AUDVSS
Audio Decoupling
A
100n
Title
Size
A4
Date:
5
4
3
2
Processor
Document Number
AT83SND2MP3 - Reference board
Friday, November 25, 2005
Rev
3.2
Sheet
1
1
of
6
5
4
3
2
1
D
D
J14
1
2
CP1
Configuration Pad
CP2
PVDD
POWER SELECTOR
D1
VCC5 (5V to 9V)
VIN
ADJ
3
CONNECTOR SIP2
DC POWER SUPPLY 5V to 9V
LM317-EMP
1
2
1
C
Configuration Pad
CP3
UVDD
1N4002
Configuration Pad
CP4
AUDVDD
U2
J1
VOUT
VOUT
VCC3
2
4
R2
680
100u TANTAL
1N4002
Configuration Pad
CP5
AUDVBAT
R3
C
Configuration Pad
CP6
HSVDD
68
D2
C24 +
VDD
Configuration Pad
C25 +
100u TANTAL
C26
+
100n
VSS
D3
POWER-ON
LED PWR RED
R4
470
PVSS
UVSS
AUDVSS
ESDVSS
B
B
HSVSS
Warning:
1. To prevent system malfunctions during periods of insufficient power supply voltage, AT8xC51SND2C
voltage supply shall be monitored by a voltage supervisor.
2. During USB operation, AT8xC51SND2C voltage supply shall be 3.0 V to 3.6V to comply USB specification.
3. AUDVBAT (Audio power amplifier supply) shall be connected to Battery supply (at least 3.2V).
A
A
Title
Size
A
Date:
5
4
3
Power supply
Document Number
AT83SND2MP3 - Reference board
Friday, November 25, 2005
2
Rev
3.2
Sheet
2
of
1
6
5
4
3
CPU RESET
D
EXT_ACCESS[3:0]
RST
PUSHBUTTON
R5
10K
C
TWI[1:0]
D
AUDIO[18:0]
C27
1u
SW2
RESET
VDD
1
AUDIO RESET
VDD
+
2
R7
SDA
AUDRST
0
D4
C
1N4148
CLOCK[2:0]
FILT
VSS
R6
100
VSS
C30
2.2n
Reset pin shall be connected to remote controller.
Refer to Hardware guide FAQ for how to connect it.
C31
10n
B
PVSS
C32
B
PLL filter
X1
VSS
Y1
16 MHz
33p
C33
CLOCK[2:0]
X2
VSS
33p
CPU CLOCK
A
A
Title
Size
A
Date:
5
4
3
Clock & Reset
Document Number
AT83SND2MP3 - Reference board
Friday, November 25, 2005
2
Rev
3.2
Sheet
3
of
1
6
5
4
3
2
1
VDD
R9
100k
P3.3
D
D
1
J3
Q-BC860
Q2
MMC[2:0]
3
R27
100K
VDD
P3[7:0]
2
R26
10K
R10
10k
VSS
VDD
VSS
1
2
3
4
5
6
7
8
9
MCMD
VSS
VDD
MCLK
VSS
MDAT
VSS
MMC / SD Interface
VSS
MMC_CON
2
UVDD
C34
100n
VSS
J13
USB Hardware condition
C
1
Q1
R8
1.5k
2
3
1
mini USB B
1
2
3
4
5
C
P3.5
Q-BC860
P3[7:0]
R11
1.5K
J10
VBUS
UDUD+
UVSS
R12
R13
UVSS
27
27
1
2
3
DD+
VSS
Rx
Tx
R15
R14
27
27
P3.0
P3.1
P3[7:0]
CONNECTOR SIP3
RS232
USB[1:0]
J2
B
UART interface
USB interface
B
During USB operation, AT8xC51SND2C voltage supply shall be 3.0 V to 3.6V to comply USB specification.
A
A
Title
Size
A4
Date:
5
4
3
2
Standard Interfaces
Document Number
AT83SND2MP3 - Reference board
Friday, November 25, 2005
Rev
3.2
Sheet
4
1
of
6
5
4
3
2
1
AUDIO OUPUTS
D
J6
AUDIO STEREO JACK
C36
4
3
2
1
D
HSR
100u TANTAL
HSL
C38
AUXN
100u TANTAL
C45
470n
C46
J16
4
3
2
1
AUXP
AUDIO[18:0]
AUDVSS
470n
AUDIO STEREO JACK
Head Set output
AUDVSS
AUXN
C
AUXP
C36 and C38 can be replaced by 10u capacitors. This will decrease the
frequency bandwith. Refer to Hardware guide FAQ for full desription.
C
AUDIO MONO JACK
HPP
1
2
3
AUDIO[18:0]
HPN
J17
R18
200
Mono input
LPHN
PAINN
C40
470n
MONON
PAINP
J12
C41
470n
MONOP
B
AUDIO MONO JACK
AUDVBAT
AUDVSS
C42
22u
AUDVSS
C43
100n
AUDVBAT
470n
B
LINER
3
2
1
CBP
LINEL
AUDVSS
J15
AUDIO MONO JACK
Speaker
C47
3
2
1
C48
470n
AUDIO[18:0]
AUDVSS
AUDIO[18:0]
Line inputs (stereo)
A
A
Title
Size
A4
Date:
5
4
3
2
Audio Interfaces
Document Number
AT83SND2MP3 - Reference board
Friday, November 25, 2005
Rev
3.2
Sheet
5
1
of
6
5
4
3
2
1
P0[7:0]
D
D
VDD
P3[7:0]
TWI[1:0]
12
13
37
VCC
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
29
30
31
32
41
42
43
44
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
C
NandFlash 512b page size
P2.3
SCL
R16
47K
P2[7:0]
C
CLE
ALE
/CE
/RE
/WE
/WP
RDY/B
100nF
VSS
VCC
P2[7:0]
16
17
9
8
18
19
7
VSS
U8
P2.0
P2.1
P2.7
P3.7
P3.6
36
VSS
C37
VSS
C35
100nF
VDD
B
Nand Flash connection :
P3.6 : WR#
P3.7 : RD#
P2.0 : CLE
P2.1 : ALE
SCL: WP#. NandFlash WP# pin signal shall
be pull down (47K ohms) and connected to
AT8xC51SND2C SCL (from TWI[1:0] bus).
P2.3 : RDY/BUSY
P2.7 : CE#
B
Changes
#######
# v3.2.0, 25 Nov, 2005
- Clarify cpu non connected pins
# v3.1.0, 27 May, 2005
- First Release of AT83SND2MP3 schematics based on AT89RFD-08
reference board.
####
A
TIPS
####
# For debugging purpose, it is recommend to add testpoints on the following signals:
# - ALE
# - RST
# - UART RX and TX
# - PSEN
# Refer to Hardware Guide for Layout Rules
####
A
Title
Size
A4
Date:
5
4
3
2
NandFlash
Document Number
AT83SND2MP3 - Reference board
Friday, November 25, 2005
Rev
3.2
Sheet
6
1
of
6