C517A_99 Datasheet, PDF (33/218 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

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C517A
Port 0
Address/Data
XPAGE
Write to XPAGE
Port 2
XRAM
Address/
I/O-Data
MCB02113
Figure 3-3
Write Page Address to XPAGE
“MOV XPAGE,pageaddress“ will write the page address only to the XPAGE register. Port 2 is
available for addresses or I/O data.
Semiconductor Group
3-7