參數(shù)資料
型號(hào): DSPCOMMPARALLELUM
英文描述: Parallel Port Command Converter for DSP User's Manual
中文描述: 并行端口命令轉(zhuǎn)換為數(shù)字信號(hào)處理器用戶手冊(cè)
文件頁數(shù): 36/70頁
文件大?。?/td> 550K
代理商: DSPCOMMPARALLELUM
3-4
Universal Command Converter
Motorola
Host Computer Hardware
Figure 3-2. 37-Pin Host Computer Interface Cable
3.1.3 Command Converter Card
The command converter is based on a DSP56002, which uses its on-chip resources to
minimize and simplify the interface to the target JTAG/OnCE debug port. Communication
with the host computer is via the DSP56002 Port B, while the serial interface to the target
DSP is via the DSP56002’s SSI port.
Each command converter has a unique address, ranging from 0 to 7. This allows the user
to debug multiprocessor systems where as many as eight command converters are
physically in the target system. JG2 of the command converter card defines the address
selected for that card.
ADM_SEL0,ADM_SEL1,ADM_SEL2 (ADDRESS SELECT)
HOST_REQ, HOST_ACK, INT_ACK (HOST COMPUTER HANDSHAKE)
ADM_REQ, ADM_ACK (COMMAND CONVERTER HANDSHAKE)
ADM_BRK, ADM_RESET (HOST COMPUTER CONTROL)
ADM_INT, HOST_BRK (COMMAND CONVERTER SERVICE REQUEST)
+5 V, GROUND (COMMAND CONVERTER POWER)
3
C
8-BIT DATA BUS (HOST COMPUTER AND COMMAND CONVERTER)
T
AA1946
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