參數(shù)資料
型號: DS-S29804
廠商: Altera Corporation
英文描述: Stratix II EP2S60 DSP Development Board
中文描述: Stratix二EP2S60 DSP開發(fā)板
文件頁數(shù): 42/52頁
文件大?。?/td> 3817K
代理商: DS-S29804
42
Preliminary
Altera Corporation
Stratix II EP2S60 DSP Development Board Data Sheet
RS-232C Serial I/O Interface
The board contains a DB9 connector (J29), which provides a bidirectional
RS-232C serial I/O interface. The board contains the transceiver (U41),
however the logic controller (UART) must be implemented in the
Stratix II device.
Table 34
describes the device used to implement the
RS-232C interface.
J29 is a standard DB-9 serial connector. This connector is typically used
for communication with a host computer using a standard 9-pin serial
cable connected to (for example) a COM port. Level-shifting buffers (U52
and U58) are used between J29 and the Stratix II device, because the
Stratix II device cannot interface to RS-232 voltage levels directly.
J29 is able to transmit all RS-232 signals. The Stratix II design may use
only the signals it needs, such as J29’s RXD and TXD. LEDs are connected
to the RXD and TXD signals, giving a visual indication when data is being
transmitted or received.
Figure 9
shows the pin connections between the
serial connector and the Stratix II device.
evm_BE_n0
H20
evm_BE_n1
L19
evm_BE_n2
K19
evm_BE_n3
G20
evm_AWE_n
L20
evm_ARDY
H21
evm_ACE2_n
J20
evm_ARE_n
K20
evm_AOE_n
K18
evm_ACE3_n
E14
Table 32. TI-EVM /FPDP Connector (J31, J33) Pin-Outs (Part 4
of 4)
TI-EVM Signal Name
Stratix II Pin
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