5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
SCHEMATICS CONVENTIONS
JP20
Close to fix in mono speaker mode, no matter stereo plug state
3
J1, R1
External clock resource input
Y1, R3, R7
Backup 12MHz crystal
R6, R8
Isolation between 12MHz clock source and GPIO line
DEFAULT
OPEN
1-2
OPEN
OPEN
CLOSE
CLOSE
CLOSE
CLOSE
OPEN
R9, R10
Isolation between 32KHz clock source and GPIO line
JUMPER and SOLDERDROP
4
R22
Optional write protection on NAND flash
R24, R30
D1
Optional ESD protection for LCD touch panel
R61, R63, RA2, RA3
Optional databus termination for LCD controller
5
RS485 bus termination enable
Differential impedance matching for RS485 cable
1-2
OPEN
OPEN
OPEN
1-2
3
JP1
Close to select JTAG boundary scan
JP3
Close to reinitialize the Flash contents and some of its NVM bits
JP4
Close for manufacturing test or fast programming mode
JP5, JP6, JP7, JP8
Access for current measurement on each power rail
4
JP9
Nand Flash chip select enable
JP13
JP14, JP15
Sync close to degrade gain stage on microphone input
JP17, JP19
Close to mux RIN/LIN into MONO-IN path within audio PA
5
LCD chip select enable
PAGE
REFERENCE
FUNCTION
6
JP16, JP21
Close for impedance matching on AD/DA BNC port
JP18
ADC input selection between BNC port and potentiometer
7
JP22, JP23, JP24
DC voltage selection between 3.3V and 5V on PIO expansion ports
JP27
Power consumption measure for ZigBEE module
JP25
Button BP2 disable
JP30
DAC output between AUDIO left channel and BNC connector
1-2
CLOSE
CLOSE
A
REV
DATA
REVISION HISTORY
DEFAULT NO POPULATE PARTS
PAGE
REFERENCE
FUNCTION
Reference guide
1
Microcontroller
LCD, Touch items
2
7
Audio, AD/DA, Power
PAGE
3
6
Block Diagram
IO Expansion, USB, ZigBEE, LED, Button
4
5
DESCRIPTION
NAND Flash, RS232, RS485, MCI, JTAG
TABLE OF CONTENTS
NOTE
2012.04
ORIGINAL RELEASED
JP11
MCI
MCI
MCI
MCI
MCI
USB_DDP
ERASE
AUDIO OUT R
AUDIO OUT L
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB11
PB12
PB13
PB10
PB14
PIOB
USAGE
MIC INPUT
ANA INPUT
ZB_NPCS2
USER_PB1
JTAG
JTAG
JTAG
JTAG
CLK_12M
CLK_12M
USB_DDM
TDWN_SNSK
TLEFT_SNS
TLEFT_SNSK
TRIGHT_SNS
TRIGHT_SNSK
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
PC10
PC11
PC12
PC13
PC14
PC15
PIOC
USAGE
PC16
PC17
PC18
PC19
PC20
PC21
PC22
PC23
PC24
PC25
PC27
PC28
PC29
PC26
PC30
PC31
PIOC
USAGE
D0
WR_LCD
RD_LCD
USER_PB2
EN_LCD
NAND_NCS0
NSC1_LCD
REGSEL_LCD
LED_RED(POWER)
USB_CNX
TVALID_SNS
TVALID_SNSK
TUP_SNS
TUP_SNSK
TDWN_SNS
D1
D2
D3
D4
D5
D6
D7
NAND_OE
NAND_WE
NAND_ALE
NAND_CLE
NAND_RDYBSY
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
PIOA
USAGE
PA16
PA17
PA18
PA19
PA20
PA21
PA22
PA23
PA24
PA25
PA27
PA28
PA29
PA26
PA30
PA31
PIOA
USAGE
TSLIDR_SL_SNS
TSLIDR_SL_SNSK
TSLIDR_SM_SNS
TSLIDR_SM_SNSK
TSLIDR_SR_SNS
TSLIDR_SR_SNSK
MCI_CD
CLK_32K
CLK_32K
RX_UART0
TX_UART0
TSC_CS
MISO
MOSI
SPCK
ZB_SLPTR
PIO MUXING
TSC_IRQ/ZB_IRQ0
TSC_BUSY/ZB_IRQ1
ZB_RSTN
LED_BLUE
LED_GREEN
RXD1
TXD1
COM1EN
RTS1
CTS1
MCI
JP26
CLOSE
Button BP3 disable
JP10, JP12
OPEN
RS485 pull resistor selectors
TEST POINT
PAGE
REFERENCE
FUNCTION
3
TP1, TP2, TP3, TP4
GND
4
TP5
UART TXD
5
TP12
Optional audio PA input
TP7
LCD backlight driver anode
TP8, TP9
Aux ADC input for TSC
6
TP6
UART RXD
JP2
Analog reference voltage selection between 3.3V and 3.0V
(1) Resistance Unit: "K" is "Kohm", "R" is "Ohm¸"
(2) "DNP" means the component is not populated
by default
JP31
1-2
RS232 USART and RS485 selection
JP29
2-3
AUDIO Amplifier power select between VCC33 and +5V
JP28
OPEN
JP32
CLOSE
TOUCH SCREEN chip select enable
JP1, JP4
JP28
7
R122, R123
Optional TWI
J2
LQFP100 Socket
C13
Coupling capacitor
JTAGSEL and TEST selector
Option for software test
Option for software test
REV
DATE
MODIF.
DES.
DATE
VER.
SCALE
1/1
REV.
SHEET
This agreement is our property. Reproduction and publication without our written authorization shall expose offender to legal proceedings.
INIT EDIT
A
2
7
A
XX-XXX-XX
PP
XXX
Board Configuration
30-APR-12
SAM4S-EK2
REV
DATE
MODIF.
DES.
DATE
VER.
SCALE
1/1
REV.
SHEET
This agreement is our property. Reproduction and publication without our written authorization shall expose offender to legal proceedings.
INIT EDIT
A
2
7
A
XX-XXX-XX
PP
XXX
Board Configuration
30-APR-12
SAM4S-EK2
REV
DATE
MODIF.
DES.
DATE
VER.
SCALE
1/1
REV.
SHEET
This agreement is our property. Reproduction and publication without our written authorization shall expose offender to legal proceedings.
INIT EDIT
A
2
7
A
XX-XXX-XX
PP
XXX
Board Configuration
30-APR-12
SAM4S-EK2
