Figure 5-2. ATSAMA5D27-WLSOM1-EK1 Schematic: Page 2
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2 of 6
SAMA5D27-WLSOM1 Evaluation Kit
10/10/2019 3:37:57 PM
01 - WLSOM1.SchDoc
Project Title
Sch #:
Date:
File:
Revision:
Sheet
Designed with
Drawn By:
DD
Sheet Title
WLSOM1
Engineer:
RC
03-10984
1
Size
A3
SAMA5D27-WLSOM1-EK1
PartNumber:
Variant Name
Standard
Altium.com
TWCK1_mBUS1_PD20
TWCK1_mBUS2_PD20
TWD1_mBUS1_PD19
TWD1_mBUS2_PD19
SPI1_SPCK_mBUS1_PC01
SPI1_MOSI_mBUS1_PC02
SPI1_MISO_mBUS1_PC03
SPI1_SPCK_mBUS2_PC01
SPI1_MOSI_mBUS2_PC02
SPI1_MISO_mBUS2_PC03
22R
0402 1%
R4
22R
0402 1%
R5
22R
0402 1%
R7
22R
0402 1%
R8
22R
0402 1%
R10
22R
0402 1%
R11
PC01
PC02
PC03
PC04
PC05
SPI1 Signals Distribution
TWCK1_LCD_PD20
TWD1_LCD_PD19
TWD1_ISC_PD19
TWCK1_ISC_PD20
TWCK1_XPRO_PD20
TWD1_XPRO_PD19
22R
0402 1%
R50
22R
0402 1%
R51
22R
0402 1%
R52
22R
0402 1%
R53
22R
0402 1%
R54
22R
0402 1%
R55
22R
0402 1%
R56
22R
0402 1%
R57
22R
0402 1%
R58
22R
0402 1%
R59
2.2k
0402
5%
R49
2.2k
0402
5%
R48
VDD_3V3
PD19
PD20
I
2
C Signals Distribution
22R
0402 1%
R15
22R
0402 1%
R16
22R
0402 1%
R35
22R
0402 1%
R18
22R
0402 1%
R36
22R
0402 1%
R19
22R
0402 1%
R37
22R
0402 1%
R20
22R
0402 1%
R38
22R
0402 1%
R21
ISC/LCD Signals Distribution
22R
0402 1%
R17
ISC_D5_PC14
ISC_D7_PC16
ISC_D9_PC18
ISC_D11_PC20
ISC_PCK_PC21
ISC_VSYNC_PC22
ISC_HSYNC_PC23
ISC_MCK_PC24
ISC_D4_PC13
ISC_D6_PC15
ISC_D8_PC17
ISC_D10_PC19
LCD_D2_PC10
LCD_D3_PC11
LCD_D4_PC12
LCD_D5_PC13
LCD_D6_PC14
LCD_D7_PC15
LCD_D10_PC16
LCD_D11_PC17
LCD_D12_PC18
LCD_D13_PC19
LCD_D14_PC20
LCD_D15_PC21
LCD_D18_PC22
LCD_D19_PC23
LCD_D20_PC24
LCD_ID_PC09
22R
0402 1%
R39
22R
0402 1%
R22
22R
0402 1%
R40
22R
0402 1%
R23
22R
0402 1%
R41
22R
0402 1%
R24
22R
0402 1%
R27
22R
0402 1%
R44
22R
0402 1%
R45
22R
0402 1%
R28
22R
0402 1%
R46
22R
0402 1%
R29
22R
0402 1%
R26
22R
0402 1%
R43
22R
0402 1%
R42
22R
0402 1%
R25
PC13
PC14
PC15
PC16
PC17
PC18
PC19
PC20
PC21
PC22
PC23
PC24
SPI1_NPCS1_mBUS1_PC05
SPI1_NPCS0_mBUS2_PC04
SPI1_SPCK_LCD_PC01
SPI1_MISO_LCD_PC03
SPI1_MOSI_LCD_PC02
SPI1_NPCS2_LCD_PC06
22R
0402 1%
R6
22R
0402 1%
R9
22R
0402 1%
R12
PC06
RED
D2
DNP
160R
0603
5%
R14
DNP
VDD_3V3
GREEN_LED_WILC
RED_LED_WILC
39R
0402 1%
R1
39R
0402 1%
R2
39R
0402 1%
R3
GREEN
D1
DNP
100R
0402 5%
R31
22R
0402 1%
R30
PC25
LCD_D21_PC25
PC09
PC10
PC11
PC12
PC13
PC14
PC15
PC16
PC17
PC18
PC19
PC20
PC21
PC22
PC23
PC24
i
ISC
Matched Net Lengths [Tolerance = 1.27mm]
PA00
165
PA01
162
PA02
166
PA03
164
PA04
169
PA05
163
PA06
171
PA07
173
PA08
167
PA09
172
PA10
168
PA11
174
PA12
170
PA13
175
PA14
21
PA15
22
PA16
23
PA17
24
PA30
76
PA31
75
ATSAMA5D27-WLSOM1
U1A
PB01
80
PB02
79
PB03
78
PB04
77
PB05
96
PB06
102
PB07
98
PB08
99
PB09
100
PB10
97
PB11
92
PB12
91
PB26
29
PB27
25
PB28
28
PB29
27
PB30
30
PB31
26
PB00
81
ATSAMA5D27-WLSOM1
U1B
PC00
15
PC01
18
PC02
17
PC03
16
PC04
19
PC05
20
PC06
176
PC07
177
PC09
69
PC10
60
PC11
68
PC12
67
PC13
64
PC14
62
PC15
71
PC16
57
PC17
72
PC18
56
PC19
70
PC20
58
PC21
63
PC22
65
PC23
59
PC24
66
PC25
61
PC26
37
PC27
35
PC28
39
PC29
38
PC30
34
PC31
36
ATSAMA5D27-WLSOM1
U1C
PD00
33
PD01
32
PD02
103
PD03
104
PD04
105
PD05
109
PD06
106
PD07
107
PD08
108
PD19
120
PD20
122
PD25
132
PD26
127
PD27
123
PD28
124
PD29
131
PD30
130
PD09
110
PD10
111
PD11
118
PD12
119
PD13
116
PD14
117
PD15
114
PD16
115
PD17
112
PD18
113
ATSAMA5D27-WLSOM1
U1D
nSTART_SOM
182
CLK_AUDIO
145
COMPN
140
COMPP
139
USBA_P
152
USBB_N
153
STROBE
157
USBA_N
151
USBB_P
154
DATA
156
nRST
7
PIOBU1
146
PIOBU2
135
PIOBU3
137
PIOBU4
147
PIOBU5
138
PIOBU6
148
PIOBU7
136
RXD
134
SHDN
10
WKUP
187
ETH-TX_P
89
ETH-TX_N
88
ETH-RX_P
87
ETH-RX_N
86
ETH-LED0
84
RXD_WILC
42
TXD_WILC
43
NC_20-WILC
41
NC_3-WILC
83
nCS_QSPI
101
ATSAMA5D27-WLSOM1
U1E
GND_10
45
GND_11
46
GND_12
47
GND_13
48
GND_14
49
GND_15
50
GND_16
51
GND_17
52
GND_18
53
GND_19
54
GND_20
55
GND_21
74
GND_22
82
GND_23
85
GND_24
90
GND_25
93
GND_26
94
GND_27
95
GND_28
121
GND_29
125
GND_30
126
GND_31
128
GND_32
129
GND_33
133
GND_34
141
GND_35
142
GND_36
144
GND_37
149
GND_38
155
GND_39
158
GND_40
160
GND_41
179
GND_42
181
GND_43
183
GND_44
184
GND_00
1
GND_01
5
GND_02
6
GND_03
8
GND_04
9
GND_05
11
GND_06
14
GND_07
31
GND_08
40
GND_09
44
GND_45
188
VDD_MAIN
2
VDD_MAIN
3
VDD_MAIN
4
VDDBU
143
VDDANA
159
VDDFUSE
161
VDDISC
73
VDDSDHC
150
VTH
178
VDD_3V3
12
VDD_3V3
13
VLDO2
180
VDD_DDR
185
VDD_DDR
186
GND_46
189
ATSAMA5D27-WLSOM1
U1F
GND
GND
JP1
1
2
HDR-2.54 Male 1x2
J2
VDD_3V3
VLDO2
VDD_1V8
VTH
VDDFUSE
VDD_MAIN
VDD_3V3
VDDBU
VDDSDHC
787k
0402
1%
R60
1
J5
DNP
GND
287K
0402
1%
R61
VTH
Threshold = 4.64V
INT_mBUS1_PD02
PTC_ROW0_PD03
PTC_ROW1_PD04
PTC_COL3_PD14
PTC_ROW4_PD07
PTC_COL4_PD15
PTC_COL7_PD18
PTC_ROW6_PD09
PTC_COL0_PD11
PTC_COL6_PD17
PTC_COL2_PD13
PTC_ROW7_PD10
PTC_COL5_PD16
PTC_ROW3_PD06
PTC_ROW5_PD08
PTC_ROW2_PD05
PTC_COL1_PD12
JTAG_TCK_PD27
JTAG_TDI_PD28
AN_mBUS2_PD26
JTAG_TMS_PD30
JTAG_TDO_PD29
AN_mBUS1_PD25
LCD_DATA_EN_PD01
LCD_PCLK_PD00
PD19
PD20
PC01
PC02
PC03
PC04
PC05
PC06
ISC_PWD_XPRO_LED_15_PC07
PC13
PC14
PC15
PC16
PC17
PC18
PC19
PC20
PC21
PC22
PC23
PC24
PC25
LCD_VSYNC_PC30
LCD_HSYNC_PC31
LCD_D23_PC27
LCD_D22_PC26
LCD_EN_PC29
LCD_PWM_PC28
USER_BUTTON_PB02
LCD_IRQ1_PB04
INT_mBUS2_PB03
XPRO_LED_17_PB01
XPRO_LED_8_PB00
QSPI_CS_PB6
UTXD3_mBUS1_PB12
URXD3_mBUS1_PB11
DBGU_TX_PB27
DBGU_RX_PB26
URXD0_mBUS2_PB29
UTXD0_mBUS2_PB28
SDMMC0_CMD_PA01
SDMMC0_DAT3_PA05
SDMMC0_DAT1_PA03
SDMMC0_CLK_PA00
SDMMC0_DAT0_PA02
BLUE_LED_PA08
SDMMC0_DAT2_PA04
SDMMC0_WP_PA12
RED_LED_PA06
GREEN_LED_PA07
SDMMC0_VDDSEL_PA11
SDMMC0_CD_PA13
USBB_POWER_EN_PA10
USBB_OVCUR_PA15
USB_DETECT_PA16
LCD_IRQ2_PA17
PWM_mBUS2_PA31
PWM_mBUS1_PA30
USBA_N
USBA_P
USBB_N
USBB_P
DIFF90
DIFF90
DIFF90
DIFF90
ETH_TX_P
ETH_TX_N
ETH_RX_P
ETH_RX_N
DIFF100
DIFF100
DIFF100
DIFF100
ETH_LED0
RED_LED_WILC
GREEN_LED_WILC
TXD_WILC_DBGU
RXD_WILC_DBGU
1
DNP
J1
DNP
SHDN
NRST
WKUP
nSTART_SOM
NCS_QSPI
1
DNP
J3
DNP
RXD
1
DNP
J4
DNP
CLK_AUDIO
DATA
STROBE
COMP_N
COMP_P
PIOBU1
PIOBU2
PIOBU3
PIOBU4
PIOBU5
PIOBU6
PIOBU7
SAMA5D2-WLSOM1
RST_mBUS1_PB31
RST_mBUS2_PC00
XPRO_LED_7_PB30
22R
0402 1%
R98
22R
0402 1%
R160
22R
0402 1%
R97
22R
0402 1%
R165
22R
0402 1%
R162
22R
0402 1%
R163
22R
0402 1%
R164
ISC_NRST_PA09
XPRO_LED_2_PA14
22R
0402 1%
R47
22R
0402 1%
R32
22R
0402 1%
R33
22R
0402 1%
R34
ISC_D1_PC10
ISC_D3_PC12
ISC_D0_PC09
ISC_D2_PC11
PC09
PC10
PC11
PC12
PC09
PC10
PC11
PC12
VDD_MAIN
PD0
0.1uF
10V
0402
C30
DNP
GND
1uF
10V
0402
C31
DNP
GND
PD0
1k
BLM18AG102SN1D
FB7
100R
0603
5%
R13
DNP
A
TSAMA5D27-WLSOM1-EK1
Appendix: Schematics and Layouts
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2019 Microchip T
echnology Inc.
User Guide
DS50002931A-page
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