SAF-XC822-1FRI(2010) 查看數據表（PDF） - Infineon Technologies

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SAF-XC822-1FRI
(Rev.:2010)

8-Bit Single-Chip Microcontroller

Infineon Technologies 

XC822/824

General Device Information

Table 3

Pin Definitions and Functions for XC822/824

Symbol Pin

Number

DSO20/

TSSOP16

Type

Reset Function

State

P2.3 4/3

Hi-Z CCPOS0_2 CCU6 Hall Input 0

CTRAP_2 CCU6 Trap Input

T2_2

Timer 2 Input

EXINT3

External Interrupt Input 3

AN3

Analog Input 3 /

Out of range comparator channel 3

VDDP

12/9

–

VDDC

14/11

–

VSSP/ 13/10

–

VSSC

I/O Port Supply (2.5 V - 5.5 V)

Core Supply Output (2.5 V)

I/O Port Ground/

Core Supply Ground

2.5

Memory Organization

The XC822/824 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

• 2/4 Kbytes of Flash

Figure 6 illustrates the memory address spaces of the 2 Kbyte Flash devices. There are

two 1-Kbyte sectors in this device. Figure 7 illustrates the memory address spaces of

the 4 Kbyte Flash devices. This device has two 1-Kbyte sectors, two 512-byte sectors,

two 256-byte sectors and four 128-byte sectors. Figure 8 shows the Flash sectorization

for 2 Kbyte and 4 Kbyte Flash devices.

Data Sheet

15

V1.1, 2010-10

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