R5F2136CANFP datasheet(14/57 Pages) RENESAS

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R8C/36A Group

3. Memory

REJ03B0265-0110 Rev.1.10 Sep 28, 2009

Page 14 of 55

Under development Preliminary specification

Specifications in this manual are tentative and subject to change.

Memory

3.1

R8C/36A Group

Figure 3.1 is a Memory Map of R8C/36A Group. The R8C/36A 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 64-Kbyte internal ROM area is allocated addresses 04000h to 13FFFh.

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 6-Kbyte internal

RAM area is allocated addresses 00400h to 01BFFh. 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.

Figure 3.1

Memory Map of R8C/36A Group

0FFFFh

0FFDCh

Notes:

1. The data flash indicates block A (1 Kbyte), block B (1 Kbyte), block C (1 Kbyte), and block 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.

Internal RAM

Size

Address 0XXXXh

1.5 Kbytes

2 Kbytes

2.5 Kbytes

4 Kbytes

6 Kbytes

8 Kbytes

10 Kbytes

009FFh

00BFFh

00DFFh

013FFh

01BFFh

023FFh

02BFFh

Part Number

Internal ROM

Size

Address 0YYYYh

R5F21364ANFP

R5F21365ANFP

R5F21366ANFP

R5F21367ANFP

R5F21368ANFP

R5F2136AANFP

R5F2136CANFP

16 Kbytes

24 Kbytes

32 Kbytes

48 Kbytes

64 Kbytes

96 Kbytes

128 Kbytes

0C000h

0A000h

08000h

04000h

Address ZZZZZh

–

13FFFh

1BFFFh

23FFFh

FFFFFh

0FFFFh

0YYYYh

0XXXXh

00400h

002FFh

00000h

Internal ROM

(program ROM)

Internal RAM

SFR

(Refer to 4. Special Function

Registers (SFRs))

02FFFh

02C00h

SFR (2)

(Refer to 4. Special Function

Registers (SFRs))

ZZZZZh

03FFFh

03000h

Internal ROM

(data flash) (1)

Internal ROM

(program ROM)

Undefined instruction

Overflow

BRK instruction

Address match

Single step

Watchdog timer, oscillation stop detection, voltage monitor

Address break

(Reserved)

Reset

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