最精简 DM9000AEP EVB SCH
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2011-05-25
11:13:02
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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SD12
IOR#
SD11
SD8
RX-
CMD
SD9
SD13
RX+INT
SD10
IOW#
SD1
SD9
SD13
SD4
SD2
SD6
SD5
SD10
SD8
SD12
SD0
SD15
SD7
SD11
SD14
SD3
SD1
SD9
SD13
SD4
SD2
SD6
SD5
SD10
SD8
SD12
SD0
SD7
SD11
SD14
SD3
SD1
SD9
SD13
SD4
SD2
SD6
SD5
SD10
SD8
SD12
SD0
SD15SD15 WAKE
SD7
SD11
SD14
SD3
SD1
GP2
GP6
SD4
SD2
SD6
SD5
GP3
GP1
GP5
SD0
SD7
GP4
LED3
SD3
RX+
TX-
LINK_LED
SPEED_LED
SD5
SD14
SD15
SD6
SD4
SD7CS#
IOR#
IOW#
RST#
SD1
SD0
SD2
SD3
RX-
SPEED_LED
LINK_LED
TX+
AVDD_25SD0
SD2
SD4
SD6
GND
SD14
SD12
SD10
SD8
INT
IOW#
RST#
SD1
SD3
SD5
SD7
P_IN_3V3
GND
SD15
SD13
SD11
SD9
CMD
IOR#
CS#
CS#
GND
AGND
DGND
DGND
DVDD_33
AGND
DVDD_33
AGND
DGND
AGND
DGND
AGND
AGND
P_IN_3V3 DVDD_33DGND
CHASIS_GROUND
DGND
DVDD_33
DGND
DGND
DVDD_33
DGND
DVDD_33
DVDD_33
DGND
DGND
DVDD_33 DVDD_33
DGND
AGND
DVDD_33
DVDD_33
Title
Size Document Number Rev
Date: Sheet
of
DM9000A-8/16bit TX AUTO-MIDX
2.0
DAVICOM Semiconductor Inc.
Custom
11Monday, May 16, 2011
Title
Size Document Number Rev
Date: Sheet
of
DM9000A-8/16bit TX AUTO-MIDX
2.0
DAVICOM Semiconductor Inc.
Custom
11Monday, May 16, 2011
Title
Size Document Number Rev
Date: Sheet
of
DM9000A-8/16bit TX AUTO-MIDX
2.0
DAVICOM Semiconductor Inc.
Custom
11Monday, May 16, 2011
Preliminary (for Reference Only)
8 Bit Mode16 Bit Mode
DATA BUS CONNECTOR
JP1 ON : USE 8 Bit MODE
OFF : USE 16 Bit MODE
JP2 ON : USE EEPROM
OFF : NOT USE EEPROM
RST# LOW ACTIVE (POWER RESET)
CS# LOW ACTIVE (CHIP SELECT)
IOR# LOW ACTIVE (IO DATA READ)
IOW# LOW ACTIVE (IO DATA WRITE)
INT HIGH ACTIVE (INTERRUPT ACTIVE)
C4 , C5 , C6 NOISE FILTER
Note:
Filter IOR# , IOW# , CS# Noise
max use 60pF
[ Default OPEN ]
NOTE THE POWER AVDD25 COMES FROM DM9000AE
note1: RST#
直接接
RST#
信号源
如
93C46
可以不用
220UF
电容不能省
INT
默认高有效，详情请看
pin 34
的描述
RJ3T200N
联系
QQ1303636279 /135 54835426
谭生
L1
F.B/120/S0603
L1
F.B/120/S0603
R7
49.9/1%
R0603
R7
49.9/1%
R0603
R10 510R10 510
C3
0.1UF
C0603
C3
0.1UF
C0603
R5
49.9/1%
R0603
R5
49.9/1%
R0603
C7
0.1UF
C0603
C7
0.1UF
C0603
+
C2
330UF/16V
EC-MR05-2
+
C2
330UF/16V
EC-MR05-2
C16
0.1UF
C0603
C16
0.1UF
C0603
C9
0.1UF
C0603
C9
0.1UF
C0603
C15
22PF
C0603
C15
22PF
C0603
C17
0.1UF
C0603
C17
0.1UF
C0603
C18
0.1UF
C0603
C18
0.1UF
C0603
L2
F.B/120/S0603
L2
F.B/120/S0603
C19
0.1UF
C0603
C19
0.1UF
C0603
R9 510R9 510
75 75
6
7
8
3
4
75
2
1
75
1000pF/2KV
5
J1 RJ3T200N
75 75
6
7
8
3
4
75
2
1
75
1000pF/2KV
5
J1 RJ3T200N
TD+
1
CT
2
TD-
3
CT
5
RD-
6
NC
7
NC
8
L-YEL
9
LED1
10
R-GRE
11
CHS_GND
13
LED2
12
CHS_GND
14
RD+
4
R3
10K
R0603
R3
10K
R0603
R12
6.8K1%
R0603
R12
6.8K1%
R0603
R1 10K
R0603
R1 10K
R0603
R13
4.7K
R0603
R13
4.7K
R0603
+
C20
10UF/16V
EC-MR05-2
+
C20
10UF/16V
EC-MR05-2
C14
22PF
C0603
C14
22PF
C0603
JP4
HEADER/13X2
JP4
HEADER/13X2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
Y1
25MHZ/49US
XTAL
Y1
25MHZ/49US
XTAL
C1
0.1UF
C0603
C1
0.1UF
C0603
C5
60pF
C0603
C5
60pF
C0603
+
C8
220UF/16V
EC-MR05-2
+
C8
220UF/16V
EC-MR05-2
DM9000A-8/16bit
U2
DM9000AE/LQFP48
DM9000A-8/16bit
U2
DM9000AE/LQFP48
BGRES
1
AVDD25
2
RX+
3
RX-
4
AGND
5
AGND
6
TX+
7
TX-
8
AVDD25
9
SD7
10
SD6
11
SD5
12
SD4
13
SD3
14
GND
15
SD2
16
SD1
17
SD0
18
EEDIO
19
EEDCK
20
EEDCS
21
SD15
22
VDD
23
SD14
24
SD13
25
SD12
26
SD11
27
SD10
28
SD9
29
VDD
30
SD8
31
CMD
32
GND
33
INT
34
IOR#
35
IOW#
36
CS#
37
LED2(IOWAIT / WAKEUP for eeprom)
38
LED1(IO16 for eeprom)
39
PWRST#
40
TEST
41
VDD
42
X2
43
X1
44
GND
45
SD
46
AGND
47
BGGND
48
C6
60pF
C0603
C6
60pF
C0603
C4
60pF
C0603
C4
60pF
C0603
JP2 JUMPERJP2 JUMPER
1 2
C10
0.1UF
C0603
C10
0.1UF
C0603
C12
0.1UF
C0603
C12
0.1UF
C0603
JP1 JUMPERJP1 JUMPER
1 2
R8
49.9/1%
R0603
R8
49.9/1%
R0603
U1
93LC46/SOP8
U1
93LC46/SOP8
CS
1
SK
2
DI
3
DO
4
GND
5
NC
6
NC
7
VCC
8
C11
0.1UF
C0603
C11
0.1UF
C0603
R6
49.9/1%
R0603
R6
49.9/1%
R0603
资源评论
zenghong22014-03-30电路图不错，很有参考价值
张吾2014-07-23不是好有用，PDF格式的。
youdangdeyu2016-12-23参考了一下，和我的差不多
赫山老妖2016-07-05有些供鉴作用，谢谢。这个芯片支持TX对和RX对互换，不同的画法，都是正确的呵。
