LPC2220

Aus BettyHacks

Siehe auch LPC2220_Pin-Belegung

ARM7TDMI without MMU

  • ARM v4T architecture
    • ARMcode and Thumbcode (16-bit subset of ARMcode)
  • JTAG
  • EmbeddedICE-Realtime Debug Unit
  • Embedded Trace Macrocell
  • On-Chip-Serial Bootloader on ROM

ARM Architecture Reference Manual

Allocation:

  • BOOTP1:0 (P2.27:P2.26)
    • Value P2.27=1 & P2.26=0 - Interpretation 16 Bit Bootflash on CS0
  • BANK-Chipselect
    • CS0 Flash0 16-bit first flashrom from cpu counted
    • CS1 LCDisplay 8-bit A0 on CPU=R/S on Display
    • CS2 Flash1 16-bit second flashrom
  • Clocksource
    • External 10 MHz Crystal