sm89516 SyncMOS Technologies,Inc, sm89516 Datasheet - Page 8
sm89516
Manufacturer Part Number
sm89516
Description
8-bits Micro-controller With 64kb Flash & 1kb Ram Embedded
Manufacturer
SyncMOS Technologies,Inc
Datasheet
1.SM89516.pdf
(19 pages)
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SyncMOS Technologies International, Inc.
SM89516
8-Bits Micro-controller
With 64KB flash & 1KB RAM embedded
1.2 Data Memory
The SM89516 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).
Data Memory - Lower 128 byte
Data memory $00 to $FF is the same as 8052
The address $00 to $7F can be accessed by direct and indirect addressing modes.
Address $00 to $1F is register area.
Address $20 to $2F is memory bit area.
Address $30 to $7F is for general memory area.
Data memory - Higher 128 byte
The address $80 to $FF can be accessed by indirect addressing mode only.
Addressing $80 to $FF is data area.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M010Ver:B SM89516
8
05/2009