參數(shù)資料
型號: SAB88C166-5M
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 16-Bit CMOS Single-Chip Microcontrollers with/without oscillator prescaler with 32 KByte Flash EPROM
中文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù): 10/58頁
文件大?。?/td> 611K
代理商: SAB88C166-5M
SAB 88C166(W)
Semiconductor Group
9
Figure 3
Flash Memory Overview
The Flash Control Register (FCR)
In standard operation mode the Flash memory can be accessed like the normal mask-
programmable on-chip ROM of the SAB 83C166. So all appropriate direct and indirect addressing
modes can be used for reading the Flash memory.
All programming or erase operations of the Flash memory are controlled via the 16-bit Flash control
register FCR. To prevent unintentional writing to the Flash memory the FCR is locked and inactive
during standard operation mode. Before a valid access to the FCR is enabled, the Flash memory
writing mode must be entered. This is done via a special key code instruction sequence.
3’FFFF
H
0’0000
H
1’0000
H
2’0000
H
3’0000
H
3
2
1
0
x’0000
H
x’3000
H
x’6000
H
x’7800
H
Bank
3
Bank
2
Bank
1
Bank
0
Memory Segments
Flash Banks
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