XA-G39 Datasheet, PDF (9/42 Pages) NXP Semiconductors – XA 16-bit microcontroller family XA 16-bit microcontroller 32K FLASH/1K RAM, watchdog, 2 UARTs

Philips Semiconductors
XA 16-bit microcontroller family
32K Flash/1K RAM, watchdog, 2 UARTs
Preliminary data
XA-G39
FFFFFh
UP TO 1 MBYTE
TOTAL CODE
MEMORY
8000h
7FFFh
0000h
32 KBYTES
ON-CHIP
CODE MEMORY
2 KBYTES BOOT ROM
Note: The Boot ROM is enabled via the ENBOOT bit in register AUXR.
FFFFh
F800h
Figure 1. XA-G39 Program Memory Map
SU01589
Data Segment 0
FFFFFh
Other Data Segments
FFFFFh
DATA MEMORY
(INDIRECTLY ADDRESSED,
OFF-CHIP)
DATA MEMORY
(INDIRECTLY ADDRESSED,
OFF-CHIP)
1 KBYTE
ON-CHIP DATA
MEMORY
(RAM)
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)
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-G39 Data Memory Map
SU01590
2002 Mar 13
9