XA-G49 Datasheet, PDF (9/42 Pages) NXP Semiconductors – XA 16-bit microcontroller family 64K FLASH/2K RAM, watchdog, 2 UARTs

Philips Semiconductors
XA 16-bit microcontroller family
64K Flash/2K RAM, watchdog, 2 UARTs
Preliminary specification
XA-G49
FFFFFh
UP TO 1M BYTES
TOTAL CODE
MEMORY
10000h
FFFFh
0000h
64k BYTES
ON-CHIP
CODE MEMORY
2k BYTE BOOT ROM
FFFFh
F800h
Note: The Boot ROM replaces the top 2k bytes of Flash memory when it is enabled via the xxx bit in xxx.
Figure 1. XA-G49 Program Memory Map
SU01194
Data Segment 0
FFFFFh
Other Data Segments
FFFFFh
2k BYTES
ON-CHIP DATA
MEMORY
(RAM)
DATA MEMORY
(INDIRECTLY ADDRESSED,
OFF-CHIP)
0800h
07FFh
DATA MEMORY
(INDIRECTLY ADDRESSED,
ON CHIP)
0400H
03FFh
DATA MEMORY
(DIRECTLY AND INDIRECTLY
ADDRESSABLE, ON CHIP)
BIT-ADDRESSABLE
DATA AREA
DATA MEMORY
(DIRECTLY AND INDIRECTLY
ADDRESSABLE, ON CHIP)
0040h
003Fh
0020h
001Fh
0000h
DIRECTLY ADDRESSED DATA
(1k PER SEGMENT)
DATA MEMORY
(INDIRECTLY ADDRESSED,
OFF-CHIP)
0400H
03FFh
DATA MEMORY
(DIRECTLY AND INDIRECTLY
ADDRESSABLE, OFF-CHIP)
0040h
003Fh
0020h
001Fh
0000h
BIT-ADDRESSABLE
DATA AREA
DATA MEMORY
(DIRECTLY AND INDIRECTLY
ADDRESSABLE, OFF-CHIP)
Figure 2. XA-G49 Data Memory Map
SU01195
2000 Apr 03
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