r5f21346hkfp Renesas Electronics Corporation., r5f21346hkfp Datasheet - Page 25

• Manufacturer Part Number: r5f21346hkfp
• Description: R8c/34e Group, R8c/34f Group, R8c/34g Group, R8c/34h Group Renesas Mcu
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group
REJ03B0246-0010 Rev.0.10
Page 25 of 44
3.3
Figure 3.3
Figure 3.3 is a Memory Map of R8C/34G Group. The R8C/34G Group has a 1-Mbyte address space from addresses
00000h to FFFFFh. The internal ROM (program ROM) is allocated lower addresses, beginning with address
0FFFFh. For example, a 48-Kbyte internal ROM area is allocated addresses 04000h to 0FFFFh.
The fixed interrupt vector table is allocated addresses 0FFDCh to 0FFFFh. The starting address of each interrupt
routine is stored here.
The internal ROM (data flash) is allocated addresses 03000h to 03FFFh.
The internal RAM is allocated higher addresses, beginning with address 00400h. For example, a 4-Kbyte internal
RAM area is allocated addresses 00400h to 013FFh. The internal RAM is used not only for data storage but also as
a stack area when a subroutine is called or when an interrupt request is acknowledged.
Special function registers (SFRs) are allocated addresses 00000h to 002FFh and 02C00h to 02FFFh (the SFR areas
for the DTC and other modules). Peripheral function control registers are allocated here. All unallocated spaces
within the SFRs are reserved and cannot be accessed by users.
R5F21346GJFP, R5F21346GKFP
R5F21347GJFP, R5F21347GKFP
R5F21348GJFP, R5F21348GKFP
R5F2134AGJFP, R5F2134AGKFP
R5F2134CGJFP, R5F2134CGKFP
0XXXXh
0YYYYh
02C00h
ZZZZZh
FFFFFh
02FFFh
03FFFh
0FFFFh
002FFh
00000h
00400h
03000h
Notes:
R8C/34G Group
1. The DataFlash memory indicates blocks A (1 Kbyte), B (1 Kbyte), C (1 Kbyte), and D (1 Kbyte).
2. The SFR areas for the DTC and other modules are allocated to addresses 02C00h to 02FFFh.
3. The blank areas are reserved and cannot be accessed by users.
(Refer to 4. Special Function
Part Number
(program ROM)
(program ROM)
Function Registers
(Refer to 4. Special
Preliminary specification
Specifications in this manual are tentative and subject to change.
Memory Map of R8C/34G Group
Internal RAM
Internal ROM
Internal ROM
Registers (SFRs))
Internal ROM
(data flash)
(SFRs))
SFR
SFR
(2)
(1)
Apr 17, 2008
128 Kbytes
32 Kbytes
48 Kbytes
64 Kbytes
96 Kbytes
Size
0FFDCh
0FFFFh
Address 0YYYYh
08000h
04000h
04000h
04000h
04000h
Internal ROM
Watchdog timer, oscillation stop detection, voltage monitor
Undefined instruction
Address ZZZZZh
BRK instruction
Address match
Address break
Single step
(Reserved)
Overflow
1BFFFh
13FFFh
23FFFh
Reset
2.5 Kbytes
10 Kbytes
4 Kbytes
6 Kbytes
8 Kbytes
Size
Internal RAM
Address 0XXXXh
00DFFh
013FFh
01BFFh
023FFh
02BFFh
3. Memory