System Core, Boot Configuration and On-Board Memory 5
miriac SBC-T1024 User Manual
V 2.3
30/70
© MicroSys Electronics GmbH 2017
5.7
SPI Flash
The SBC-T1024 system is equipped with 4MB of SPI Flash on the T1024
’s SPI
port. Up to 16 MB are available on request/order.
The SPI Flash uses chip select SPI_CS0# (CPU pin M1).
Due to the T1024
’s pin multiplexing 8 bit SDIO interface and SPI interface are mutually
exclusive.
The SBC-T1024 provides a SPI Flash (on the CPU module) and 4 bit SDIO interface
implemented as microSD slot (on the carrier board).
The following table shows the internal connections:
I/O
Range
SPI Flash
S25FL032P
Module
T1024
Pin
Name
Pin
Name
LVTTL
1
CS
←
FLASH-
SPI_CS0#
←
M1
SPI_CS0#
LVTTL
2
DO
→
SPI-MISO
→
P1
SPI_MISO
LVTTL
3
WP
→
+3.3
4
GND
←
GND
LVTTL
5
DI
←
SPI-MOSI
←
P2
SPI_MOSI
LVTTL
6
CLK
←
SPI-CLK
←
N1
SPI_CLK
LVTTL
7
HOLD
←
+3.3
8
VCC
←
+3.3
Table 5-6 SPI Flash pin assignment
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