Figure 6-6. SAMA7G54-EK: Schematic Page 6
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
SAMA7G54 Evaluation Kit
05 - SAMA7G54-DDR3.SchDoc
Project Title
File:
Designed with
Drawn By:
CAv
Sheet Title
SAMA7G5-DDR3
Engineer:
CAv
Size
B
EV21H18A
PartNumber:
Variant Name
Standard
SCH #:
03-00038
PCB #:
04-11152
5
Rev:
Rev:
5
6 of 15
Date:
Sheet
12/22/2021 1:43:36 PM
Altium.com
DDR_D0
GND
VDDIODDR
DDR_D1
DDR_D2
DDR_D3
DDR_D4
DDR_D5
DDR_D6
DDR_D7
DDR_D8
DDR_D9
DDR_D10
DDR_D11
DDR_D12
DDR_D13
DDR_D14
DDR_D15
ZQ_DDR
DDR_VREF
DDR_A0
DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_A12
DDR_A13
DDR_A14
DDR_A15
DDR_BA0
DDR_BA1
DDR_BA2
DDR_ODT
DDR_CK_P
DDR_CK_N
240R
0201
1%
R107
GND
DDR_CKE
DDR_WE
DDR_CS
DDR_RAS
DDR_CAS
DDR_RESET
DDR_DQS0_P
DDR_DQS0_N
DDR_DQM0
DDR_DQM1
0.1uF
16V
0201
C123
DDR_DQS1_P
DDR_DQS1_N
0.1uF
16V
0201
C124
GND
GND
PCB
Z0 = 40
Ω
RZQ / 6
SAMA7G5
SDRAM
Z = 50
Ω
SDRAM WRITE
ODT = 60
Ω
RZQ / 4
120
Ω
120
Ω
PCB
Z0 = 40
Ω
RZQ / 6
SDRAM
SAMA7G5
Z = 50
Ω
SDRAM READ
ODT = 60
Ω
RZQ / 4
120
Ω
120
Ω
0.1uF 16V 0201
C83
0.1uF 16V 0201
C84
0.1uF 16V 0201
C85
0.1uF 16V 0201
C86
0.1uF 16V 0201
C87
0.1uF 16V 0201
C88
0.1uF 16V 0201
C89
0.1uF 16V 0201
C90
0.1uF 16V 0201
C91
4.7uF 10V 0402
C92
0.1uF 16V 0201
C93
0.1uF 16V 0201
C94
0.1uF 16V 0201
C95
0.1uF 16V 0201
C96
0.1uF 16V 0201
C97
0.1uF 16V 0201
C98
0.1uF 16V 0201
C99
0.1uF 16V 0201
C100
0.1uF 16V 0201
C101
4.7uF 10V 0402
C102
DIFF100
DIFF100
DIFF100
DIFF100
DIFF100
DIFF100
TP19
TP20
TP21
TP22
TP23
TP24
TP17
TP18
TP25 TP26 TP27 TP28
GND
DDR_RESET
DDR_ZQ
DDR_DQM0
DDR_VREF
DDR_D0
DDR_D1
DDR_D2
DDR_D3
DDR_D4
DDR_D5
DDR_D6
DDR_D7
DDR_D8
DDR_D9
DDR_D10
DDR_D11
DDR_D12
DDR_D13
DDR_D14
DDR_D15
DDR_DQM1
DDR_DQS0_P
DDR_DQS0_N
DDR_DQS1_P
DDR_DQS1_N
i
LANE0
Matched Net Lengths [Tolerance = 10mil]
i
LANE1
Matched Net Lengths [Tolerance = 10mil]
240R
0201
1%
R105
0.1uF
16V
0201
C103
GND
GND
100k
0201
1%
R104
VDDIODDR
DDR_A0
DDR_BA0
DDR_ODT
DDR_CK_P
DDR_CK_N
DDR_CKE
DDR_WE
DDR_CS
i
ADDR-CTL
Matched Net Lengths [Tolerance = 10mil]
DDR_A1
DDR_A2
DDR_A3
DDR_A4
DDR_A5
DDR_A6
DDR_A7
DDR_A8
DDR_A9
DDR_A10
DDR_A11
DDR_A12
DDR_A13
DDR_A14
DDR_A15
DDR_BA1
DDR_BA2
DDR_RAS
DDR_CAS
GND
VDDIODDR
1k
0201
1%
R106
1k
0201
1%
R108
GND
4.7uF
10V
0402
C114
GND
DDR_VREF
0.1uF
16V
0201
C110
0.1uF
16V
0201
C118
VDDIODDR
0.1uF
16V
0201
C104
0.1uF
16V
0201
C105
0.1uF
16V
0201
C106
0.1uF
16V
0201
C107
0.1uF
16V
0201
C108
0.1uF
16V
0201
C109
0.1uF
16V
0201
C111
0.1uF
16V
0201
C112
0.1uF
16V
0201
C113
0.1uF
16V
0201
C115
0.1uF
16V
0201
C116
0.1uF
16V
0201
C117
0.1uF
16V
0201
C119
0.1uF
16V
0201
C120
4.7uF
10V
0402
C122
GND
DIFF100
DIFF100
DIFF100
DIFF100
DIFF100
DIFF100
4Gb DDR3L-1600 16bit
SAMA7G5 DDR3-1066 controller
(1V35)
(1V35)
(1V35)
0.1uF
16V
0201
C121
DDR_A0
W6
DDR_A1
P6
DDR_A2
V5
DDR_A3
V6
DDR_A4
R6
DDR_A5
W4
DDR_A6
P7
DDR_A7
W2
DDR_A8
L8
DDR_A9
V4
DDR_A10
T3
DDR_A11
M9
DDR_A12
P5
DDR_A13
V2
DDR_BA0
V8
DDR_BA1
P4
DDR_BA2
R8
DDR_RAS#
U8
DDR_CAS#
T8
DDR_CLK_P
U4
DDR_CLK_N
T4
DDR_CKE
V3 DDR_CS#
V7
DDR_WE#
N10
DDR_ZQ AA2
DDR_RESET# V1
DDR_D0 N2
DDR_D1 M7
DDR_D2 R3
DDR_D3 M8
DDR_D4 T2
DDR_D5 N8
DDR_D6 T1
DDR_D7 N7
DDR_D8 Y7
DDR_D9 AA4
DDR_D10 Y9
DDR_D11 Y3
DDR_D12 AA7
DDR_D13 AA3
DDR_D14 W7
DDR_D15 W3
DDR_DQM0 N1
DDR_DQM1 Y4
DDR_DQS0_P R1
DDR_DQS0_N R2
DDR_DQS1_P Y6
DDR_DQS1_N AA6
DDR_ODT
W1
DDR_VREF Y1
DDR_A14
L9
DDR_A15
R4
GNDIODDR L7
GNDIODDR L11
GNDIODDR N4
GNDIODDR P1
GNDIODDR P8
GNDIODDR R5
GNDIODDR R7
GNDIODDR T5
GNDIODDR U1
GNDIODDR U7
GNDIODDR V9
GNDIODDR AA1
VDDIODDR
AA5
GNDIODDR AA8
GNDIODDR AA11
VDDIODDR
N6
VDDIODDR
N9
VDDIODDR
P3
VDDIODDR
T6
VDDIODDR
T7
VDDIODDR
T9
VDDIODDR
U3
VDDIODDR
U5
VDDIODDR
U6
GNDIODDR W5
VDDIODDR
Y2
VDDIODDR
N12
VDDIODDR
P13
VDDIODDR
W8
VDDIODDR
M11
SAMA7G54
U4F
SAMA7G54
VDDQ A1
VDDQ A8
VSS A9
VSSQ B1
VDD B2
VSS B3
UDQS_N
B7
VSSQ B9
VDDQ C1
UDQS_P
C7
VDDQ C9
VSSQ D1
VDDQ D2
UDM
D3
VSSQ D8
VDD D9
VSS E1
VSSQ E2
LDM
E7
VSSQ E8
VDDQ E9
VDDQ F1
LDQS_P
F3
VSSQ F9
VSSQ G1
LDQS_N
G3
VDD G7
VSS G8
VSSQ G9
VREFDQ
H1
VDDQ H2
VDDQ H9
NC
J1
VSS J2
RAS#
J3
CK_P
J7
VSS J8
NC
J9
ODT
K1
VDD K2
CAS#
K3
CK_N
K7
VDD K8
CKE
K9
NC
L1 CS#
L2 WE#
L3
ZQ
L8
NC
L9
VSS M1
BA0
M2
BA2
M3
VREFCA
M8
VSS M9
VDD N1
BA1
N8
VDD N9
VSS P1
VSS P9
VDD R1
VDD R9
VSS T1
RESET#
T2
VSS T9
DQ13 A2
DQ15 A3
DQ12 A7
DQ14 B8
DQ11 C2
DQ9 C3
DQ10 C8
DQ8 D7
DQ0 E3
DQ2 F2
DQ1 F7
DQ3 F8
DQ6 G2
DQ4 H3
DQ7 H7
DQ5 H8
A10/AP
L7
NC/A15
M7
A3
N2
A0
N3
A12/BC#
N7
A5
P2
A2
P3 A1
P7
A4
P8
A7
R2
A9
R3
A11
R7
A6
R8
A13
T3
A14
T7
A8
T8
AS4C256M16D3LC-12BCNTR
U6
RZQ: calibration capability for on-die
terminations and driver output impedances
100
Ω
±10% differential trace impedance
Routing top or bottom
50
Ω
± 10% single-ended trace impedance
Routing top or bottom
100
Ω
±10% differential trace impedance
Routing top or bottom
50
Ω
± 10% single-ended trace impedance
Routing top or bottom
50
Ω
± 10% single-ended trace impedance
Routing top or bottom
100
Ω
±10% differential trace impedance
Routing top or bottom
RZQ: calibration capability for on-die
terminations and driver output impedances
Figure 6-7. SAMA7G54-EK: Schematic Page 7
1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
SAMA7G54 Evaluation Kit
06 - NVM Memories.SchDoc
Project Title
File:
Designed with
Drawn By:
CAv
Sheet Title
NVM Memories
Engineer:
CAv
Size
B
EV21H18A
PartNumber:
Variant Name
Standard
SCH #:
03-00038
PCB #:
04-11152
5
Rev:
Rev:
5
7 of 15
Date:
Sheet
12/22/2021 1:43:36 PM
Altium.com
10uF
25V
0603
C129
10k
0402
1%
R115
SD
DAT3
1
CMD
2
VSS1
3
VDD
4
CLK
5
VSS2
6
DAT0
7
DAT1
8
DAT2
9
CD
10
WP
11
SHIELD
12
J4
47k
0402
5%
R112
47k
0402
5%
R113
47k
0402
5%
R114
10k
0402
1%
R111
i
SDCARD
Matched Net Lengths [Tolerance = 0.25mm]
GND
GND
SDMMC1_CMD_PB29
SDMMC1_CK_PB30
SDMMC1_DAT1_PC0
SDMMC1_DAT2_PC1
SDMMC1_CD_PC4
47k
0402
5%
R110
0.1uF
10V
0402
C126
SDMMC1_DAT3_PC2
SDMMC1_DAT0_PB31
SDMMC1_WP_PC3
A0
5
A1
4
SDA
3
SCL
1
VCC 6
VSS 2
24AA025E48
U13
A0
5
A1
4
SDA
3
SCL
1
VCC 6
VSS 2
24AA025E48
U12
10k
0402
1%
R140
10k
0402
1%
R139
VDD_3V3
GND
VDD_3V3
10k
0402
1%
R138
10k
0402
1%
R141
GND
VDD_3V3
GND
VDD_3V3
EEPROM2_TWD
EEPROM2_TWCK
EEPROM1_TWD
EEPROM1_TWCK
0x53
0x52
SD CARD INTERFACE
On Board EEPROM's
0.1uF
10V
0402
C143
0.1uF
10V
0402
C144
10k
0402
1%
R116
MX66LM1G45GXDI00
NC A2
NC A3
RESET#
A4
ECS#
A5
NC
B1 SCLK
B2
VSS B3
VCC B4
NC B5
VSSQ C1
CS#
C2
DQS
C3
DQ2
C4
NC C5
VCCQ D1
DQ1
D2 DQ0
D3
DQ3
D4
DQ4
D5
DQ7
E1 DQ6
E2 DQ5
E3
VCCQ E4
VSSQ E5
133 MHz at VCC=VCCQ=3.3V
U9
OSPI0_IO3_PB9
OSPI0_IO2_PB10
OSPI0_IO1_PB11
OSPI0_IO0_PB12
OSPI0_CS
OSPI0_SCK_PB14
OSPI0_IO4_PB16
OSPI0_IO5_PB17
OSPI0_IO6_PB18
OSPI0_IO7_PB19
OSPI0_DQS_PB20
OSPI0_INT_PB21
VDD_3V3
4.7uF
10V
0402
C132
i
OSPI
Matched Net Lengths [Tolerance = 0.25mm]
GND
0.1uF
10V
0402
C134
0.1uF
10V
0402
C133
0.1uF
10V
0402
C135
0402
R134
0402
R136
nRST
NRST_OUT
Octal SPI Memory
IN
1
VDD
2
GND 3
S1
4
D 5
S2
6
ADG849
U8
4.7uF
10V
0402
C130
GND
0.1uF
10V
0402
C131
GND
VDD_3V3
VDD_3V3
VLDO1
GND
10k
0402
1%
R120
SDMMC1_1V8SEL_PC5
VDDSDMMC1
0.1uF
10V
0402
C141
VDDSDMMC0
GND
VDDSDMMC0
VDD_3V3
SDMMC0_DAT0_PA3
SDMMC0_DAT1_PA4
SDMMC0_DAT2_PA5
SDMMC0_DAT3_PA6
SDMMC0_DAT4_PA7
SDMMC0_DAT5_PA8
SDMMC0_DAT6_PA9
SDMMC0_DAT7_PA10
SDMMC0_CMD_PA1
SDMMC0_CK_PA0
SDMMC0_RSTN_PA2
i
EMMC
Matched Net Lengths [Tolerance = 0.25mm]
47k
0402
5%
R121
47k
0402
5%
R122
47k
0402
5%
R123
47k
0402
5%
R124
47k
0402
5%
R125
47k
0402
5%
R126
47k
0402
5%
R127
47k
0402
5%
R128
47k
0402
5%
R130
SDMMC0_DS_PA11
GND
0.1uF
10V
0402
C136
4.7uF
10V
0402
C137
GND
4.7uF
10V
0402
C139
0.1uF
10V
0402
C138
4.7uF
10V
0402
C140
eMMC
GND
4
SDA 5
SCL 6
VCC
8
ATECC608B-SSHDA-T
U11
ECC608_TWCK
ECC608_TWD
GND
0.1uF
10V
0402
C142
VDD_3V3
ECC608B CryptoAuthentication
10k
0402
1%
R129
22R
0402
1%
R131
22R
0402
1%
R132
47k
0402
5%
R135
GND
DAT0
A3
DAT1
A4
DAT2
A5
DAT3
B2
DAT4
B3
DAT5
B4
DAT6
B5
DAT7
B6
VDDI
C2
VSSQ C4
VCCQ C6
VCC E6
VSS E7
VSSQ N5
VCC F5
VSS G5
VSS H10
VSS K8
VCC K9
VCCQ M4
CMD
M5
CLK
M6
VSSQ N2
VCCQ N4
VCCQ P3
VSSQ P4
VCCQ P5
VSSQ P6
RSTn
K5
VCC J10
VSS A6
VSS J5
DS
H5
S40FC004C1B1C00000
U10
SDMMC0_DS
VDDI
SDMMC0_RSTN_PA2
SDMMC0_CMD_PA1
SDMMC0_DAT3_PA6
SDMMC0_DAT4_PA7
SDMMC0_DAT5_PA8
SDMMC0_DAT6_PA9
SDMMC0_DAT7_PA10
VLDO1
10k
0402
1%
R118
VDD_3V3
VDDSDMMC1
VDD_3V3
VDD_3V3
0R
0603
R117
0R
0603
R133
47uF
16V
1206
C125
GND
VOUT
1
GND
2
VIN 3
EN 4
MIC94085YFT
U7
1
2
3
BAT54AL
D5
GND
10k
0402
1%
R109
SDMMC1_RSTN_PB28
4.7uF
10V
0402
C128
4.7uF
10V
0402
C127
GND
GND
0402
R119
NRST_OUT
10k
0402
1%
R137
VDD_3V3
50
Ω
± 10% single-ended trace impedance
50
Ω
± 10% single-ended trace impedance
IN=0: S1 Closed
IN=1: S2 Closed
50
Ω
± 10% single-ended trace impedance
Routing top or bottom
Place R117 close to MPU
Place R118 close to eMMC device
SAMA7G54-EK
Appendix A. Schematics and Layouts
©
2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003273A-page 73