Kontron SMARC-sA3874i - Manual (Page 11)

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User’s Guide
3 Specifications
3.1 Functional Block Diagram
Figure 1: ULP-COM sA3874i Block Diagram
TI AM3874
“Sitara”
ARM Cortex A8
Single Core
800MHz / 1 GHz
Industrial
Temp
DDR3
256M x 8
GBE XCVR
Atheros
AR8031
Power
Supplies
MDI - 4 pairs for GBE
RGMII
(plus support signals – LEDs, etc)
PCIe x1 Gen 2 Root or End Point
Power In (3.0V to 5.25V DC)
Various
Module
Supplies
RGB LCD Data and Control
Boot Device Select Boot Straps
Misc Ctrl Out (Reset etc)
Misc Ctrl In (Pwr Btn etc)
314 Pin 0.5mm pitch
edge finger pattern for
use with MXM3 style
carrier board connector
(
aka the “ULP-COM
Carrier Connector”)
Actual pin order on the
connector will differ
from what is implied
here.
24 bit LVDS requires
display to be
“18 bit compatible”
82mm x 50mm Form Factor
USB OTG / Client
USB Host
SATA
PCIe_C
N/C
HDMI
DDR A
DQ31-DQ24
DDR A
DQ7-DQ0
DDR A
DQ15-DQ8
DDR A
DQ23-DQ16
Parallel Camera Interface – up to 16 bit
No CSI Functions
on this Module
LVDS
Xmiter
8 bit
SDIO (4 Bit)
SDIO / eMMC (8 Bit)
GPIO (12 Bit) / PWM / Tach
UARTs (2x 2 Wire and 2x 4 Wire)
CAN (2 instances)
SPI (2x)
I2C (4x)
Misc
Logic
Misc Ctrl Out
Misc Ctrl In
I2S / DAP (4 instances)
SPDIF In
Interfaces shown in gray
and with N/C designation
are not used on this
module but may be used
on other modules
I2C_PM
SPI Flash
8MB
Serial
EEPROM
S/N etc
DDR3
256M x 8
DDR B
DQ31-DQ24
DDR B
DQ23-DQ16
DDR B
DQ15-DQ8
DDR B
DQ7-DQ0
DDR3
256M x 8
DDR3
256M x 8
DDR3
256M x 8
WDTO
PCIe_B
N/C
18 / 24 Bit
LVDS
1 GB DDR3-800
Memory
2 nd GB DDR3 Memory
(Build option)
USB2
N/C
DDR3
256M x 8
DDR3
256M x 8
DDR3
256M x 8
Options shown in this
diagram are in the design,
but may not be available
in the standard product
offerings
PCIe_A
USB0
USB1
Micron
Industrial
eMMC
Flash Memory
Build options
4GB up to
32GB
SPDIF Out
PXL Clock
Divider
Dual Pixel CK
I2C_PM
SDDIF
Receiver
DIR9001
SPDIF In
N/C
AFB
JTAG
Conn
JTAG
Conn
JTAG
CPLD_JTAG