m37516e6hp Renesas Electronics Corporation., m37516e6hp Datasheet - Page 13

• Manufacturer Part Number: m37516e6hp
• Description: Single-chip 8-bit Cmos Microcomputer
• Manufacturer: Renesas Electronics Corporation.

7516 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.
ROM
The first 128 bytes and the last 2 bytes of ROM are reserved for
device testing and the rest is user area for storing programs.
Fig. 8 Memory map diagram
Rev.1.01
R A M a r e a
R O M a r e a
M 3 7 5 1 6 M 4
M 3 7 5 1 6 M 6 / E 6
M 3 7 5 1 6 M 8 / F 8
P r o d u c t n a m e
R A M s i z e
ROM size
Jul 01, 2003
( b y t e s )
(bytes)
16384
24576
32768
1024
512
640
1024 bytes
R A M s i z e
page 11 of 89
512 bytes
640 bytes
A d d r e s s
X X X X
0 2 3 F
0 2 B F
0 4 3 F
Address
YYYY
C000
A000
8000
1 6
1 6
1 6
1 6
16
16
16
16
Address
ZZZZ
16 Kbytes
24 Kbytes
32 Kbytes
C080
A080
8080
R O M s i z e
16
16
16
16
RAM
R O M
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.
XXXX
YYYY
FFDC
F F F E
Z Z Z Z
F F F F
0FFF
0FF0
FF00
0 0 0 0
0 0 4 0
0 1 0 0
1 6
1 6
1 6
16
16
16
16
1 6
16
16
1 6
1 6
Note: Flash memory version only
Reserved ROM area
Reserved ROM area
I n t e r r u p t v e c t o r a r e a
SFR area (Note)
(
128 bytes
SFR area
Not used
N o t u s e d
)
S p e c i a l p a g e
Zero page