SAB83C515A-5N18-T3 View Datasheet(PDF) - Siemens AG

Part Name

Description

Manufacturer

SAB83C515A-5N18-T3

8-Bit CMOS Single-Chip Microcontroller Family

Siemens AG 

Memory Organization

Figure 3-2

Write Page Address to Port 2

MOV P2, pageaddress will write the page address to Port 2 and XPAGE-Register.

When external RAM is to be accessed in the XRAM address range (F800H - FFFFH) XRAM has to

be disabled. When additional external RAM is to be addressed in an address range ≤ XRAM

(F800H) XRAM may remain being enabled and there is no need to overwrite XPAGE by a second

move.

Semiconductor Group

3-10

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