| Address D ataI RESET IRQ2 BR2 BG PMS DMS BMS RD WR MMAP CLKIN, XTAL CLKOUT VDD GND SPORT 0 SPORT1 or Interrupts & Flags: IRQO (RFSl) IRQl ( TFSl) FI (DRl) FO (DTl) | 14 24 1 1 1 1 1 1 1 1 1 1 2 1 5 5 1 1 1 1 | O I/O I I I O O O O O O I I O I/O I/O I I I O | Address outputs for program, data and boot memory. Data I/O pins for program and data memories. Input only for boot memory, with two MSBs used for boot memory addresses. Unused data lines may be left floating. Processor Reset Input External Interrupt Request #2 External Bus Request Input External Bus Grant Output External Program M emory Select External Data M emory Select Boot Memory Select External M emory Read Enable External Memory Write Enable Memory M ap Select Input External Clock or Quartz Crystal Input Processor Clock Output Power Supply Pins Ground Pins Serial Port o Pins ( TFS O, R FS O, DTO, DR O, SCLK O) Serial Port l Pins (TFSl, RFSl, DTl, DRl, SCLKl) External Interrupt Request #0 External Interrupt Request # 1 Flag Input Pin Flag Output Pin |
