DS89C420 Dallas Semiconducotr, DS89C420 Datasheet - Page 14

• Manufacturer Part Number: DS89C420
• Description: Ultra-High-Speed Microcontroller
• Manufacturer: Dallas Semiconducotr

Figure 2. Memory Map
FF
80
7F
2F
20
1F
00
Bit Addressable
128 Bytes
Indirect
Addressing
Bank 3
Bank 2
Bank 1
Bank 0
128 Bytes SFR
REGISTERS
INTERNAL
03FF
0000
3FFF
2000
1FFF
0000
INTERNAL
MEMORY
(Program)
addr from
prog mem
Memory
(Program)
400 - 7FF
8K x 8
Data OR
Memory
8K x 8
SRAM
Flash
1K x 8
Flash
14 of 59
FFFF
4000
0000
External
Program
Memory
FFFF
03FF
0000
External
Data
Memory