ARM 2440电路图 杨创utu－f－4。1开发板原理图

utu2440-main-f-v415

4

VDD_33V

3
DL7 LED R1 470

2

1

D

VDD_5VIN

D

CONN JACK PWR 1 2 3 J3 1

S1 2 1 3 SWITCHER 2 3

VDD_5V 3

U5 VIN

AS1117-3.3 GND VOUT1 VOUT2 2 4 C7 0.1uF

VDD_33V

C5 0.1uF

C

1

+

C6 10uF

+

C8 10uF

DGND

C

DGND J4 2 1 CON2 DGND

B

B

VDD_33V IN4148 D2 D3 R60 10K

VDD_RTC

IN4148 BT1 BATTERY Title

A

A

POWER/BATTERY
DGND Size A Date: Document Number 1 Sheet 1 of 8 Rev V4.1

5

4

3

2

1

VDD_33V

J1

LADDR[0:19]

J2

LDATA[0:15]

D
LADDR0 LADDR2 LADDR4 LADDR6 LADDR8 LADDR10 LADDR12 LADDR14 LADDR16 LADDR18 LADDR24 nWBE1 nWE nXDACK0 nXDACK1 nXBREQ nTRST TCK TMS TXD2 TXD1 TXD0 nCTS0 DN0 DN1 SPICLK1 SPIMOSI1 nIrDATXDEN EINT0 TSYM TSYP 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 3