Schematic

4

3

RST

P0.20 P0.21

Vssa P0.9 P0.8 P0.7 DBGSCL RTCK

Vssa

RST

6

Vss

7

31

LPC 2103

30 P0.9

RTXC2

Vbat Vdd RST Vss P0.27 P0.28 P0.29 X1 X2

C2

22pF

P0.27 8

29 P0.8

P0.28 9

28 P0.7

P0.2910

27 DBGSCL

X1

11

26 RTCK

12

25 RTXC2

+3.3V

12MHz

P0.23

23

24

P0.5

P0.6

JP2 AT26DF081A

C21

R17 47kR

RESET

R16 33kR

8 7 6 5

1 2 3 4 5 6 7 8 P0.10 P0.11 P0.12 P0.13 P0.2 P0.3 P0.17 P0.18

R37

+3.3V

0R

P0.2 P0.3 P0.17 P0.18

COM1

R23

0R

100nF P0.4 P0.6

10K

R34

8 7 6 5

R24

Vcc HOLD SCK SI

10K

0R

CS SO WP GND

R25

R36

1 2 3 4

0R

AT26DF081A

R35

VOL_SOURCE

22 P0.4

P0.7 P0.5

P0.17 P0.18 Out put P0.16

+3.3V

+3.3V C16

U4

+3.3V

U3 P0.2 P0.3

+3.3V

10K

0R

Vcc HOLD SCK SI

8 HEADER

R26

R32

CS SO WP GND

B2S

10K

+3.3V

1 2 3 4

LED

+3.3V C15

U5 0R

Charge status

KB_CON

+3.3V

R31

720R

Place This part at side of PCB

MicroSD Adapter

+3.3V

1

0R

MISO1 100R

1 2 3 4 5 6 7 8

R22

B2S

22pF

R38

SCK1

1

C4

22pF

JP6

D7

C6

P0.0

0R 100R

P0.21 P0.19

+3.3V

1

JP5 C5

13 P0.1 14 P0.30 15 P0.31 16 Vdd 17 P0.2 18 Vss 19 RTXC1 20 P0.3 21 P0.4 22 P0.5 23 P0.6 24

R40

SSEL1 MOSI1

R42

B

RST

+

74HC20

21 P0.3

RTXC1 20

19 Vss

P0.2 18

17 Vdd

P0.31 16

P0.30 15

P0.1 14

P0.0 13

0R

R39

U6

100R

R43

COM 0 5 9 4 8 3 7 2 6 1

+3.3V

32.768kHz Q2

P

12 HEADER

R41

P0.19

8

B2S

100nF

+3.3V

R2 IN

JP7 X2

+3.3V

P0.14

13

D

C

R2

0R

22pF

P0.21 P0.20

R1 IN

GND

T2 1

C10

Q1

C3

T1 1

PMLL4448

P0.19

32 P0.22

U1

D5

JP1 12 HEADER

5

0R

ISP P0.14

JP3

C

1 2 3 4 5 6 7 8 9 10 11 12

Vdd

R1

+1.8V

R14 22kR

C1 100nF

36 35 34 33 32 31 30 29 28 27 26 25

3 BC850B

P0.11 P0.10 P0.24 P0.23 P0.22

33 P0.23

4

7

Tx1 1 Rx1 2 GND 3

2

Vbat

+3.3V

PMLL4448 R15 33kR

34 P0.24

D4

P0.21 3

100nF

35 P0.10

R13 22kR

P0.20 2

T2 OUT

15

INT1

36 P0.11

14

1uF,16V

37 P0.12

38 P0.25

39 P0.26

40Vdd(3v3)

41 P0.13

42 Vdda

43 Vss

44 P0.14

45 P0.15

46 P0.16

47 P0.17

P0.19 1

12 HEADER

PMLL4448

BATT1

P0.9

T1 OUT

12 R1 OUT 9 R2 OUT

R11 180R R12 180R

R10 100R

48 P0.18

P0.1

U2

11 T1 IN 10 T2 IN

P0.8

2 C20 1uF,16V 19 V- 6 1uF,16V

V+

PMLL4448

P

16

MAX232

2

P0.18 P0.17 P0.16 P0.15 P0.14 Vss Vdda P0.13 Vdd(3v3) P0.26 P0.25 P0.12

2

R9 100R

100nF

CR2032 3V/230mAh Lithium Battery 2 1 D3

+

VR2

4 C2+ 6 C2-

+3.3V

0R

+

C18

1uF,16V

3

R8

0R

+

+5.0V

1 C1+ 3 C1-

D6

C17

1

R7

100nF

P0.0

D

+5.0V

CONNECTOR DB9 FEMALE

P0.31

+

R3

0R

3

+3.3V

C9

R18 0R R19 0R

+5.0V

VR1

C7

C8

100nF

R4

0R

1

R6 0R

0R

VCC

P0.24 P0.25 P0.26 P0.27 P0.28 P0.29 P0.30

R20 0R

R21 0R

+3.3V

R5

+5.0V

1uF,16V +3.3V

1

12 HEADER

1 2 3 4 5 6 7 8 9 10 11 12

JP4

48 47 46 45 44 43 42 41 40 39 38 37

12 HEADER

LCD_CON

3 BC850B

+5.0V +3.3V

2

2

5

100nF P0.14 P0.20

R33

+3.3V

0R

D8

B

D9

R28 100R

1N5822 MBRS540T3-D D12 1 4 P0.15

C26

1

R50

R49 1K

720

100k

C24

1uF,16V

+

Note: All lines are 3 amp peak current carrying tracks. Please maintain appropriate track width.

Note: All lines are 3 amp peak current carrying tracks. Please maintain appropriate track width. 5

4

D13

BQ2057WSN

Charge_SAT LED

8 7 6 5

R48

0.1uF/16V

COMP CC VSS STAT

1K

D10

1N5408

C27

SNS BAT VCC TS

+1.8V

2

C13 100nF

1

GND

IN LD1117S18 OUT

TO-220 Package

+

1 2 3 4

R46

U9 3

R45 100k

2 D14

C23

1 2 3

Main_LED

SOT-223 Package

+3.3V

1uF,16V

+

Vsrc

2

C12 100nF

1uF,16V

+ C25

R30

100KR

P0.22

IN LD1117S33 OUT GND

100nF

R29

200KR

BAT60A

1

1

+

VOL_SOURCE

V-input

-

A

3

C14

+

R47 1K

U10

U8

MTB50 P03

0.1uF/16V

R27 180R C22

G

1uF,16V

C11 100nF

1

BAT60A

BNC

D2

3 S

+5.0V

+

GND

1N4007

D1

SOT-223 Package

4 D

_

2

T3

MURB620CTG R44 0.2

V_BatteryPack

IN LD1117S50 OUT

D11

+

U7 3

3

3

2

1

A