SM89516A_06 Datasheet, PDF (6/22 Pages) SyncMOS Technologies,Inc – 8-Bits Micro-controller With 64KB flash & 1KB RAM embedded

SyncMOS Technologies International, Inc.
Extension Function Description
SM89516A
8-Bits Micro-controller
With 64KB flash & 1KB RAM embedded
1. Memory Structure
The SM89516A is the general 8052 hardware core as a single chip micro controller. Its memory structure follows
general 8052 structure.
1.1 Program Memory
The SM89516A has 64K byte on-chip flash memory which used as general program memory. The address range for
the 16K byte is $0000 to $FFFF.
Note: The single flash block address structure for doing as well as program ROM flash.
1.2 Data Memory
The SM89516A has 1K bytes on-chip RAM, 256 bytes of it are the same as general 8052 internal memory structure
while the expanded 768 bytes on-chip RAM can be accessed by external memory addressing method (by instruction
MOVX).
Specifications subject to change without notice contact your sales representatives for the most recent information.
Ver 2.1 SM89516A 08/2006
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