SAM E70 Pin
Function
SDRAM Function
Shared With
PA15
D14
Data line 14
–
PA16
D15
Data line 15
–
PC20
A2
Address line 0
–
PC21
A3
Address line 1
–
PC22
A4
Address line 2
–
PC23
A5
Address line 3
–
PC24
A6
Address line 4
–
PC25
A7
Address line 5
–
PC26
A8
Address line 6
–
PC27
A9
Address line 7
–
PC28
A10
Address line 8
–
PC29
A11
Address line 9
–
PD13
SDA10
Address line 10
–
PA20
BA0
Bank select line 0
–
PD23
SDCK
Clock
–
PD14
SDCKE
Clock Enable
–
PC15
SDCS
Chip Select
–
PD16
RAS
RAS Shield
PD17
CAS
CAS
PD29
SDWE
Write Enable
–
PC18
A0/NBS0
LDQM
–
PD15
NWR1/NBS1
UDQM
4.4.5.
SD Card
The SAME70-XPLD has one standard SD card slot, connected to the High-speed Multimedia Card
Interface (HSMCI) of the SAM E70.
Table 4-18 SD/MMC Socket J600 Signal Descriptions
on page 34
lists all I/O lines connected to the SD card connector.
Figure 4-23 SD/MMC Socket J600 Schematic
SD_WP
SD_D0
SD_D1
SD_D2
SD_D3
SD_CLK
SD_DETECT
SD_CMD
VCC_3V3
VCC_3V3
PA30
PA31
PA26
PA27
PA28
PA25
PC16
R607
100K
J901
J600
SD Card SOCKET
DAT0
7
DAT1
8
DAT2
9
DAT3
1
VDD
4
VSS1
3
VSS2
6
SHELL
12
CLK
5
CMD
2
C/D
10
W/P
11
SHELL
13
SHELL
14
SHELL
15
R606
10K
R610
100K
R612
10K
R609
100K
R611
10K
TP600
C613
100nF
R608
100K
C612
10uF
Atmel SAME70-XPLD [USER GUIDE]
Atmel-44050A-SAME70-XPLD_User Guide-12/2015
33