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SPRUI07–March 2020
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External Interface (XINTF)
Chapter 14
SPRUI07–March 2020
External Interface (XINTF)
The external interface (XINTF) is an asynchronous bus that enables access to off-chip memories. This
memory access serves to supplement the on-chip FLASH and SARAM storage capacities.
Topic ........................................................................................................................... Page
14.1 Functional Description ...................................................................................... 835
14.2 XINTF Configuration Overview ........................................................................... 838
14.3 External DMA Support (XHOLD, XHOLDA)........................................................... 844
14.4 Configuring Lead, Active, and Trail Wait States.................................................... 845
14.5 Configuring XBANK Cycles ............................................................................... 850
14.6 XINTF Registers ............................................................................................... 851
14.7 Signal Descriptions........................................................................................... 863
14.8 Waveforms ...................................................................................................... 864