Coprocessor Interface Signals - ARM ARM7TDMI Technical Reference Manual

Coprocessor Interface
4.2

Coprocessor interface signals

4-4
The signals used to interface the ARM7TDMI core to a coprocessor are grouped into
four categories.
The clock and clock control signals are:
• MCLK
• nWAIT
• nRESET.
The pipeline following signals are:
• nMREQ
• SEQ
• nTRANS
• nOPC
• TBIT.
The handshake signals are:
• nCPI
• CPA
• CPB.
The data signals are:
• D[31:0]
• DIN[31:0]
• DOUT[31:0].
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