SAF-XC835MT-2FGI 查看數據表（PDF） - Infineon Technologies

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SAF-XC835MT-2FGI

8-Bit Single-Chip Microcontroller

Infineon Technologies 

XC835/836

General Device Information

2.5

Memory Organization

The XC835/836 CPU operates in the following five address spaces:

• 8 Kbytes of Boot ROM, Library ROM and User routines

• 256 bytes of internal RAM

• 256 bytes of XRAM

(XRAM can be read/written as program memory or external data memory)

• A 128-byte Special Function Register area

• 4/8 Kbytes of Flash

Figure 6 illustrates the memory address spaces of the 4 Kbyte Flash devices. Figure 7

illustrates the memory address spaces of the 8 Kbyte Flash devices.

FFFF H

FFFF H

XRAM

256 Bytes

F100H

F000H

XRAM

256 Bytes

F100H

F000H

Boot ROM

8 KBytes

Flash Bank 0

4 KBytes 1)

E000H

C000H

B000H

A000H

Flash Bank 0

4 KBytes

1000H

0000H

0000H

Indirect

Address

Internal RAM

Direct

Address

FFH

Special Function

Registers

80H

7FH

Internal RAM

40H

00H

In Debug Mode, this 64-byte address area

is replaced by a 64-byte Monitor RAM.

Code Space

External Data Space

1) Physically one 4-Kbyte Flash bank, mapped to both address range .

Internal Data Space

Memory Map User Mode

Figure 6 Memory Map of XC835/836 with 4 Kbytes of Flash memory

Data Sheet

18

V1.2, 2011-03

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