ARM ARM7TDMI - Coprocessor Interface Signals

Coprocessor Interface
4-4 Copyright © 2001, 2004 ARM Limited. All rights reserved. ARM DDI 0210C
4.2 Coprocessor interface signals
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].