SM39R16A2 Datasheet, PDF (25/82 Pages) SyncMOS Technologies,Inc – Dual 16-bit Data Pointers

SM39R16A2/SM39R12A2/SM39R08A2
8-Bit Micro-controller
16KB/12KB/8KB with ISP Flash
& 256B RAM embedded
3.2.1 Data memory - lower 128 byte (00h to 7Fh)
Data memory 00h to FFh is the same as 8052.
The address 00h to 7Fh can be accessed by direct and indirect addressing modes.
Address 00h to 1Fh is register area.
Address 20h to 2Fh is memory bit area.
Address 30h to 7Fh is for general memory area.
3.2.2 Data memory - higher 128 byte (80h to FFh)
The address 80h to FFh can be accessed by indirect addressing mode.
Address 80h to FFh is data area.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M057
25
Ver.H SM39R16A2 07/2012