User`s manual

JampII-mini Users Manual - 9 - PD0606-6-00-01
The EP9302 features a unified memory address model where all memory devices are accessed
over a common address and data bus. The EP9302 can support a minimum of 1 to a maximum of 4
banks of 16-bit 100 MHz SDRAM. Additionally, JampII-mini installed with 32 MB SDRAM density.
4.3. FLASH
As previously stated, the EP9302 features unified memory address architecture. The EP9302 can
support either NAND or NOR types of non-volatile flash memory for program code storage. JampII-
mini is shipped with 8 Mbytes of flash memory, which is provided by Intel Strata FLASH memory
device.
4.4. USB
JampII-mini Single Board Computer provides two USB host connections (USB0-J9, USB1-J8).
The EP9302 USB host controller is configured for two root hub ports and features an integrated
transceiver for each port. The EP9302 integrates two USB 2.0 Full Speed host ports. These ports are
fully compliant to the OHCI USB 2.0 Full Speed specification (12 Mbps). The controller complies with
the OHCI specification for USB Revision 1.1. The USB ports are brought out by a standard double
deck USB type A connector.
4.5. UART 0 and 1
JampII-mini Single Board Computer is shipped with 2 UART interface. The UART 1 interface is
provided via a standard DB-9 connector. The signal designation is listed in the following tables.
Table 4-1 UART0 Connector (J14)
Pin No. Signal Name Pin No. Signal Name
1 Not connect 2 RX
3 TX 4 Not connect
5 GND 6 Not connect
7 RTS 8 CTS
9 Not connect