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Bit Name 0 EARB 1 IP 2 BDRV 3 BDIS 4:5 BPS 9:10 DBGC 11 DBPC 12 ATWC 13:14 EBDF 16 PRPM 17:18 SC 19 ETRE 20 FLEN 23 CLES 28:30 ISB 31 DME Description 0: internal arbitration 1: external arbitration Interrupt table location after reset 0: MSR(IP) =1 1: MSR(IP) =0 0: reduced drive strength of bus pins 1: full drive strength of bus pins 0: bank 0 is bootable 1: memory controller inactive Boot port size 00: 32-bit 01: 8-bit 10: 16-bit 11: reserved Debug pin configuration (IWP,BI,BG,BR,BB) (6.13.1.1) Debug pin configuration 0: BDM 1: JTAG Address type <> Write enable 0: /WE 1: AT External bus division factor 00: CLKOUT = GCLK2 01: CLKOUT = GCLK2/2 Peripheral mode enable 0: normal 1: external master Single chip select 00: extended chip, 32-bit data 01: extended chip, 16-bit data 10: single chip, show cycle (address) 11: single chip Extended table relocation 0: off 1: on 0: internal flash disabled (boot external) 1: internal flash enabled 0: little endian swap logic inactive 1: little endian swap logic active Initial internal space base (6.12.1.2) 0: dual mapping disabled 1: dual mapping enabled Var. 1 0 0 1 0 00 10 0 0 00 0 00 0 1 0 00 0 Table 4-1 Hard reset configuration word MOTOROLA 4-20 EVB555 Quick Reference