437 B
437 B
6309 Board Prototype #1 Specs
HD63C09 CPU @ 3MHz AS6C62256-55 SRAM (32KB) SST39SF010A-70 FLASH (32KB Used) PC16550 UART @ 1.8342MHz
Memory Map
Device | Location |
---|---|
FLASH | 8000-FFFF |
UART | 7F00-7FFF |
SRAM | 0000-7EFF |
Truth Table
A15 | A14-A9 | A8 | Chip |
---|---|---|---|
H | x | x | FLASH |
L | x | L | SRAM |
L | H | H | UART |