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20
KX-NT511ARUW/KX-NT511ARUB
Table-4
Note:
Refer to waveform (5) in Waveform (P.41) .
No. 5
SDRAM Error
[Check Points]
Measure the voltage at C113 (Between 3.3V and DGND). Is it 3.3V? ?
Measure the SD_CLK signal at G1 of IC101 or R129. Is it 108MHz?
Measure the SD_CLK signal at G1 of IC101 or R129. Is it 108MHz?
[Related Parts]
IC101,IC102,L101,L104,C107-C109,C113-C117,C136,C137.
RA102-RA109,R124-R130,R162
RA102-RA109,R124-R130,R162
[Related Circuit]
NFLD[0]
NFLD[1]
NFLD[2]
NFLD[3]
NFLD[4]
NFLD[5]
NFLD[6]
NFLD[7]
NFLCS0
NFLALE
NFLCLE
NFLRD
NFLWR
NFLREADY
XD[0]
XD[1]
XD[2]
XD[3]
XD[4]
XD[5]
XD[6]
XD[7]
XD[8]
XD[9]
XD[10]
XD[11]
XD[12]
XD[13]
XD[14]
XD[15]
XA[0]
XA[1]
XA[2]
XA[3]
XA[4]
XA[5]
XA[6]
XA[7]
XA[8]
XA[9]
XA[10]
XA[11]
XA[12]
SD_BA[1]
SD_BA[0]
SD_CS
SD_RAS
SD_CAS
SD_WE
DQMBLS[0]
DQMBLS[1]
SD_CLK
XA[4]
XA[5]
XA[6]
XA[7]
XA[8]
XA[9]
XA[10]
XA[11]
XA[12]
SD_CKE
SD_CLK
DQMBLS[1]
DQMBLS[0]
SD_BA[1]
SD_BA[0]
SD_CKE
SD_CKE
XA[0]
XA[1]
XA[2]
XA[3]
SD_CAS
SD_RAS
SD_WE
SD_CS
XD[0]
XD[1]
XD[2]
XD[3]
XD[4]
XD[5]
XD[6]
XD[7]
XD[8]
XD[9]
XD[10]
XD[11]
XD[12]
XD[13]
XD[14]
XD[15]
VDD3.3V
IC101
D9
*DDRRST
C10
DDRCS0
L4
MEMXD2/LCDD4
M1
MEMXD1/LCDD3
B11
DDRCS1
M4
MEMXD0/LCDD2
A14
*DDRWE
L1
MEMXD3/LCDD5
B13
*DDRRAS
M2
MEMXD4/LCDD6
B12
*DDRCAS
K2
MEMXD5/LCDD7
D11
DDRBA0
B14
DDRBA1
K1
MEMXD6/LCDD10
C13
DDRBA2
J2
MEMXD7/LCDD11
B15
DDRA0
H1
MEMXD8/LCDD12
C12
DDRA1
J1
MEMXD9/LCDD13
C14
DDRA2
K3
MEMXD10/LCDD14
B16
DDRA3
K4
MEMXD11/LCDD15
D13
DDRA4
N1
MEMXD12/LCDD18
C15
DDRA5
L2
MEMXD13/LCDD19
B17
DDRA6
L3
MEMXD14/LCDD20
A19
DDRA7
M3
MEMXD15/LCDD21
C16
DDRA8
D14
DDRA9
B18
DDRA10
D15
DDRA11
C17
DDRA12
D16
DDRA13
B19
DDRA14
D10
DDRCKE
A13
DDRCKELP
A17
DDRCLK0
A18
DDRCLK0_N
A15
DDRCLK1
A16
DDRCLK1_N
A7
DDRDQ0
B7
DDRDQ1
B8
DDRDQ2
C8
DDRDQ3
B9
DDRDQ4
A10
DDRDQ5
C9
DDRDQ6
B10
DDRDQ7
D8
DDRDM0
A9
DDRDQS0
A8
DDRDQS0_N
B4
DDRDQ8
D5
DDRDQ9
C5
DDRDQ10
B5
DDRDQ11
DDRDQ12
D6
DDRDQ13
C7
DDRDQ14
D7
DDRDQ15
B6
DDRDM1
A6
DDRDQS1
A5
DDRDQS1_N
E16
DDRPADHI
E14
DDRPADLO
C4
DDR_RTT
A12
DDRODT0
C11
DDRODT1
C18
DDR_REF0
A11
DDR_REF1
A4
DDR_REF2
E7
VDDIO_DDR1
E10
VDDIO_DDR2
F5
VDDIO_DDR3
F6
VDDIO_DDR4
F7
VDDIO_DDR5
F8
VDDIO_DDR6
F9
VDDIO_DDR7
F10
VDDIO_DDR8
G11
VDDIO_DDR9
N8
VDDIO_NFLQSPI
R6
NFLD7/MEMXA21
W6
NFLD6/QCS1
T7
NFLD5/QCS0
T6
NFLD4/QDQ3
V4
NFLD3/QDQ2
V6
NFLD2/QDQ1
U6
NFLD1/QDQ0
W5
NFLD0/QCLK
R5
NFLREADY1/MEMXA22
U5
NFLWR/MEMXA23
T4
NFLRD/MEMXA24
V5
NFLCLE/MEMXA25
U4
NFLALE/MEMXA17
T5
NFLCS0/MEMXA18
H4
MEMCS3/EXTINT7
H3
MEMCS2/EXTINT6
G4
MEMCS1/LPCLK
G3
MEMCS0/LCDD0
E4
MEMRD
J4
MEMWR
E1
MEMXA20_MEMRAS/LCDD16
F2
MEMXA19_MEMCAS/LCDD9
F1
MEMCKE/EXTINT13
G1
MEMCLK
D4
MEMXA16
F4
MEMXA15
D3
MEMXA14_BA1/LCDD8
D1
MEMXA13_BA0/LCDD1
G2
MEMXA12/EXTINT14
F3
MEMXA11/LCDGP8
C2
MEMXA10/LCDGP7
E2
MEMXA9/LCDGP6
E3
MEMXA8/LCDGP5
D2
MEMXA7/LCDGP4
C1
MEMXA6/LCDGP3
C3
MEMXA5/LCDGP2
B2
MEMXA4/LCDGP1
A3
MEMXA3/LCDGP0
A2
MEMXA2/EXTINT4
B3
MEMXA1/LCDD23
B1
MEMXA0/LCDD22
H2
MEMDQMBLS0/LCDD17
J3
MEMDQMBLS1/EXTINT5
IC102
LDQM
15
DQ0
2
*CS
19
*WE
16
*CAS
17
*RAS
18
A6
31
A3
26
A2
25
A1
24
A0
23
A4
29
A5
30
A7
32
A8
33
A9
34
A10/AP
22
A11
35
A12
36
BA0
20
BA1
21
NC
40
CLK
38
CKE
37
UDQM
39
DQ1
4
DQ2
5
DQ3
7
DQ4
8
DQ5
10
DQ6
11
DQ7
13
DQ8
42
DQ9
44
DQ10
45
DQ11
47
DQ12
48
DQ14
51
DQ15
53
VDD1
1
VDD3
27
VDDQ3
43
VDDQ4
49
VSSQ1
6
VSSQ2
12
DQ13
50
46
VSSQ3
52
VSSQ4
28
VSS1
VDD2
14
VDDQ1
3
VDDQ2
9
41
VSS2
54
VSS3
DGND
C108
C110
DGND
C114
L101
C115
C116
C117
DGND
C111
C109
C107
C112
C113
C119
C121
C120
C118
3.3V
RA103
1
2
3
4
5
6
7
8
RA104
1
2
3
4
5
6
7
8
R124
R125
R130
R126
3 6
RA105
2 7
R1281
RA105
4 5
R127
C136
C137
DGND
PHY_INT002:2D
R139
VDD3.3V
R131
DGND
R162
VDD3.3V
1
8
2
7
3
6
RA102
4
5
1 8
GPIO4
GPIO5
L104
R129
R174
VDD3.3V
R175
2
7
RA106
1
8
3
6
4
5
2
7
RA107
1
8
3
6
4
5
4
5
2
7
RA108
1
8
3
6
4
5
2
7
RA109
1
8
3
6
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