M30240ECFP MITSUBISHI [Mitsubishi Electric Semiconductor], M30240ECFP Datasheet - Page 15

• Manufacturer Part Number: M30240ECFP
• Description: M30240 Group Specification
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
Memory
2.3 Memory
Figure 1.8:
Figure 1.8 is a memory map of the M30240 group. The address space extends the 1M bytes from
address 00000
there is 128K bytes of internal ROM from E0000
from FFE00
are stored here, subroutine call instructions and jump instructions can be used as two-byte instructions,
reducing the number of program steps.
The vector table for fixed interrupts such as the reset and NMI are mapped from FFFDC
The starting addresses of the interrupt routines are stored here. The address of the vector table for
software interrupts can be set as desired using the internal register (INTB). See Section 2.12 on
interrupts for further details.
Addresses below xxxxx
mapped to the space from 00400
used when calling subroutines and when interrupts are generated.The SFR area is mapped to 00000
to 003FF
converter, serial I/O, and timers. Section 2.4 describes the SFR area for peripheral unit control registers.
Any part of the SFR area that is unoccupied is reserved and cannot be used for other purposes.
16
Memory Map
. This area accommodates control registers for peripheral devices such as I/O ports, A-D
16
to FFFDB
16
Type
M30240M5
M30240M6
M30240ECFP
to FFFFF
16
16
. If the starting addresses of subroutines or the destination addresses of jumps
16
are RAM. For example, in M30240ECFP, 5K bytes of internal RAM are
Address xxxxx
. Addresses above yyyyy
01000
01000
01800
16
16
16
16
to 017FF
16
1-15
16
Address yyyyy
. In addition to storing data, the RAM also stores the stack
F6000
F4000
E0000
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
to FFFFF
16
16
16
16
16
are ROM. For example, in the M30240ECFP,
16
. The special page vector table is mapped
FFFDC
FFFFF
XXXXX
FFE00
00000
00400
yyyyy
16
16
16
16
16
16
16
Undefined instruction
Address match
BRK instruction
Watchdog timer
Special page
vector table
Single step
unused
Overflow
ROM
Mitsubishi microcomputers
RAM
SFR
Reset
DBC
NMI
M30240 Group
16
to FFFFF
16
16
.