Schematics
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
spi_clk (I/O)
spi_miso (I/O)
spi_mosi (I/O)
spi_wp (I/O)
spi_hold (I/O)
nd_cs_n (O)
nd_we_n (O)
nd_re_n (O)
nd_d[4] (I/O)
nd_d[5] (I/O)
nd_d[6] (I/O)
nd_d[7] (I/O)
SPI Flash
DDR3/DDR2 Interface
The pinout is differenet
when use DDR3 and DDR2
Nand Flash/ SD-XC/SPI Flash
diff pair
DDR3/DDR2
spi_cs0 (I/O)
spi_cs1 (I/O)
ND_D7
RDQS0
RDQS0_
RDQS1
RDQS1_
RBA0
RBA1
RBA2
RCLK
RCLK_
RCKE
RRAS_
RCAS_
RCS_
RODT
ND_WE_N
ND_D4
ND_D5
ND_D6
ND_D7
RWE_
REXTDN
DVDD_VREF_A
RDQ15
RDQ14
RDQ13
RDQ12
RDQ11
RDQ10
RDQ9
RDQ8
RDQ7
RDQ6
RDQ5
RDQ4
RA13
RA12
RA11
RA10
RA9
RA8
RA7
RA6
RA5
RA4
RA3
RA2
RA1
RA0
DDRVREF
RDQ[0:15]
RDQ2
RDQ1
RDQ0
RDQM0
RDQM1
ND_CS_N
ND_D4
ND_D6
ND_D6
ND_D7 ND_RE_N
ND_D5
ND_CS_N
ND_RE_N
RDQ3
RA14
ND_D3
ND_D2
ND_D1
ND_D0
ND_RE_N
ND_WE_N
ND_ALE
ND_CLE
ND_CLE
ND_WP
ND_ALE
ND_RB_N
ND_WP
ND_CS_N
ND_RB_N
ND_D7
ND_D6
ND_D5
ND_D4
ND_D3
ND_D2
ND_D1
ND_D0
3.3VD
3.3VD
3.3VD
GND
1.5VD
3.3VD
3.3VD
3.3VD
3.3VD
RBA0
11
RBA1
11
RBA2
11
RCLK
11
RCLK_
11
RCKE
11
RRAS_
11
RCAS_
11
RCS_
11
RODT
11
DDRVREF
6
RWE_
11
RDQ[0:15]
11
RA0
11
RA1
11
RA2
11
RA3
11
RA4
11
RA5
11
RA6
11
RA7
11
RA8
11
RA9
11
RA10
11
RA11
11
RA12
11
RA13
11
ND_CS_N
12
ND_RE_N
12
ND_WE_N
12
RDQM0
11
RDQM1
11
RDQS0
11
RDQS0_
11
RDQS1
11
RDQS1_
11
DDRVREF
6
DDR3RSTB 11RA1411
Size Document Number Rev
Date: Sheet of
Design By: Review By:
0.1
DIR-3060
6 23
MT7621A_DDR3/FLASH
liuyingB
Size Document Number Rev
Date: Sheet of
Design By: Review By:
0.1
DIR-3060
6 23
MT7621A_DDR3/FLASH
liuyingB
Size Document Number Rev
Date: Sheet of
Design By: Review By:
0.1
DIR-3060
6 23
MT7621A_DDR3/FLASH
liuyingB
R130
R/0R/F/1/20W/0201
R391
R/4K7/J/1/20W/0201
U7
U/TSOP48/W29N01HVSINF
NC1
1
NC2
2
NC3
3
NC4
4
NC5
5
NC6
6
RY/BY
7
RE
8
CE
9
NC7
10
NC8
11
VCC
12
VSS
13
NC9
14
NC10
15
CLE
16
ALE
17
WE
18
WP
19
DNU0
20
NC11
21
NC12
22
NC13
23
NC14
24
NC27
25
NC15
26
NC16
27
NC17
28
I/O0
29
I/O1
30
I/O2
31
I/O3
32
NC18
33
NC24
34
NC19
35
VSS
36
VCC
37
DNU1
38
NC23
39
NC20
40
I/O4
41
I/O5
42
I/O6
43
I/O7
44
NC21
45
NC22
46
NC25
47
NC26
48
R44
R/240R/F/1/20W/0201
U1B
U/TFBGA346/MT7621A
RRAS_/RA5
C14
RCS_/RCS_
B15
RODT/RODT
B14
RCAS_/RA7
C15
RWE_/NC
A15
RCLK
C9
RCLK_
D9
RCKE/RCKE
A17
RBA2/RBA0
A13
RDQM1
B8
RDQM0
B5
RA13/RBA2
B13
RA12/RCAS_
D15
RA11/RA11
C18
RA10/RA3
E13
RA9/RBA1
D13
RA8/RA13
D16
RA7/RWE_
E11
RA6/RA8
D17
RA5/RRAS_
B16
RA4/RA4
E15
RA3/RA12
A16
RA2/RA10
D14
RA1/RA0
B18
RA0/RA1
E14
RDQ15/RDQ14
C8
RDQ14/RDQ8
C5
RDQ13/RDQ9
B9
RDQ12/RDQ15
A5
RDQ11/RDQ12
B10
RDQ10/RDQ13
B4
RDQ9/RDQ11
C10
RDQ8/RDQ10
A3
RDQ7/RDQ5
C2
RDQ6/RDQ3
C12
RDQ5/RDQ2
B2
RDQ4/RDQ4
B12
RDQ3/RDQ0
A2
RDQ2/RDQ1
A11
RDQ1/RDQ7
B3
RDQ0/RDQ6
C11
RBA1/RA2
B17
RBA0/RA9
C16
RDQS0_
B7
RDQS0
A7
ND_CS_N
G2
ND_RB_N
F1
ND_RE_N
F3
ND_CLE
G3
ND_WP
F4
ND_ALE
G5
ND_WE_N
G4
RA14/RA6
C17
DDR3RSTB/NC
D11
TN_MEMPLL
E18
TP_MEMPLL
E17
AVDD33_MEMPLL
E16
RDQS1
C7
RDQS1_
B6
REXTDN
B1
DVDD_VREF
C3
DVDD33_IO_1
J6
ND_D0
F2
ND_D1
E3
ND_D2
E2
ND_D3
E4
ND_D4
D1
ND_D5
D2
ND_D6
C1
ND_D7
D3
R45
NI/R/4K7/J/1/20W/0201
R127
R/0R/F/1/20W/0201
R177
R/0R/F/1/20W/0201
R116
R/0R/F/1/20W/0201
R129
R/0R/F/1/20W/0201
R181
R/0R/F/1/20W/0201
R42
R/0R/F/1/20W/0201
R125
R/0R/F/1/20W/0201
R39
R/1K/F/1/20W/0201
C116
C/104/K/10V/X5R/0201
R390
R/4K7/J/1/20W/0201
C119
C/104/K/10V/X5R/0201
R173
R/0R/F/1/20W/0201
C27
C/104/K/10V/X5R/0201
R47
NI/R/4K7/J/1/20W/0201
R128
R/0R/F/1/20W/0201
R46
NI/R/4K7/J/1/20W/0201
U4
NI/U/Flash/128Mbit/SOIC-16/KH25L12835FMI-10G
HOLD
1
VCC
2
RESET/RFU
3
DNU1
4
NC3
5
RFU
6
CS
7
SO
8
WP
9
VSS
10
DNU4
11
DNU3
12
DNU2
13
VIO
14
SI
15
SCK
16
C114
C/104/K/10V/X5R/0201
R174
R/0R/F/1/20W/0201
R392
R/4K7/J/1/20W/0201
R126
R/0R/F/1/20W/0201
R180
R/0R/F/1/20W/0201
R43
R/0R/F/1/20W/0201
R40
R/1K/F/1/20W/0201
R41
R/0R/F/1/20W/0201
R123
R/0R/F/1/20W/0201