參數(shù)資料
型號: XC888CM
廠商: INFINEON TECHNOLOGIES AG
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 22/119頁
文件大?。?/td> 895K
代理商: XC888CM
XC886/888CLM
Functional Description
Data Sheet
Prelimary
18
V0.1, 2006-02
Figure 6
CPU Block Diagram
3.2
Memory Organization
The XC886/888 CPU operates in the following five address spaces:
12 Kbytes of Boot ROM program memory
256 bytes of internal RAM data memory
1.5 Kbytes of XRAM memory
(XRAM can be read/written as program memory or external data memory)
a 128-byte Special Function Register area
24/32 Kbytes of Flash program memory (Flash devices); or
24/32 Kbytes of ROM program memory, with additional 4 Kbytes of Flash
(ROM devices)
Figure 7
illustrates the memory address spaces of the 32-Kbyte Flash devices. For the
24-Kbyte Flash devices, the shaded banks are not available.
Register Interface
ALU
UART
Core SFRs
16-bit Registers &
Memory Interface
Opcode Decoder
State Machine &
Power Saving
Interrupt
Controller
Multiplier / Divider
Opcode &
Immediate
Registers
Timer 0 / Timer 1
Internal Data
Memory
External SFRs
External Data
Memory
Program Memory
f
CCLK
Memory Wait
Reset
Legacy External Interrupts (IEN0, IEN1)
External Interrupts
Non-Maskable Interrupt
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