MV20556 Datasheet, PDF (5/30 Pages) Mosel Vitelic, Corp – 8 - Bit MCU Mouse Controller

MOSEL VITELIC INC.
Preliminary
MV20556
Memory Map Overall
The CPU of MV20556 is able to access three memory areas. They are:
(1) 128 bytes data RAM addressed at 00H through 7FH;
(2) 20 SFRs addressed at 80H through FFH;
(3) 4,096 bytes program ROM addressed at 000H through FFFH.
Be noted, MCU MV20556 builds all accessible memory inside, it is unable to access external memory.
4095
FFFH
255
128
127
0
Internal
Data
RAM
FFH ₂₅₅
80H ₁₂₈
7FH
00H
Special
Function
Register
FFH
F0H
0
Internal Program ROM
000H
Internal Memory Map
Specifications subject to change without notice, contact your sales representatives for the most recent information.
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PID256** 07/97