M37517F8HP Datasheet, PDF (5/98 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

7517 Group
MEMORY
Special Function Register (SFR) Area
The Special Function Register area in the zero page contains con-
trol registers such as I/O ports and timers.
RAM
RAM is used for data storage and for stack area of subroutine
calls and interrupts.
Flash Memory
The first 128 bytes and the last 2 bytes of flash memory are re-
served for device testing and the rest is user area for storing
programs.
Interrupt Vector Area
The interrupt vector area contains reset and interrupt vectors.
Zero Page
Access to this area with only 2 bytes is possible in the zero page
addressing mode.
Special Page
Access to this area with only 2 bytes is possible in the special
page addressing mode.
RAM
1024 bytes
000016
004016
010016
SFR area
Zero page
Flash memory
32 kbytes
044016
0FFD16
0FFF16
800016
808016
Not used
SFR area
Not used
Reserved memory area
(128 bytes)
Fig. 4 Memory map diagram
FF0016
FFD416
FFDC16
FFFE16
FFFF16
Flash memory ID code
Interrupt vector area
Reserved memory area
Special page
Rev.1.01 Aug 02, 2004 page 5 of 96