ARM9的开发板的原理图

S3C2440_Kernel5

4

3

2

1

NOTE: LXXXX signals should be routed as short as possible. Insert pan nut to CPU socket guide hole.

RA1

22

1 2 3 4

8 7 6 5

nGCS0 nGCS1

RA2
D

22

1 2 3 4

8 7 6 5

nGCS2 nGCS3 nGCS4 nGCS5

D

nSS_KBD nDIS_OFF nXDREQ1 nXDREQ0 nXDACK1 nXDACK0

R1

22

LnOE nWAIT LnWE OM0 OM1

LADDR[26:0]

nXDACK0/GPB9 nXDACK1/GPB7 nDREQ0/GPB10 nXDREQ1/GPB8

nXBACK/GPB5 nXBREQ/GPB6 nGCS0 nGCS1/GPA12 nGCS2/GPA13 nGCS3/GPA14 nGCS4/GPA15 nGCS5/GPA16 nOE nWAIT nWE OM0 OM1

K2 L5 F6 B2 C3 C4 D3 C2 C5 E4 E6 T15 R13

L3 K7 K6 K5

LDATA[31:0]

C

B

Clock

TOUT0/GPB0 TOUT1/GPB1 TOUT2/GPB2 TOUT3/GPB3 TCLK0/GPB4 TCLK1/EINT19/GPG11

EXTCLK CLKOUT0/GPH9 CLKOUT1/GPH10 MPLLCAP UPLLCAP OM2 OM3 XTIpll XTOpll XTIrtc XTOrtc

R14 U17 R15 P15 T16 T17 R16 P16 U16

AIN0 AIN1 AIN2 AIN3 AIN4/TSYM AIN5/TSYP AIN6/