参数资料
型号: SAK-C509-LM
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, MQFP-100
文件页数: 8/74页
文件大小: 1607K
代理商: SAK-C509-LM
Semiconductor Group
15
09.96
C509-L
Memory Organization
The C509-L CPU manipulates data and operands in the following five address spaces:
– up to 64 Kbyte of external program memory
– up to 64 Kbyte of external data memory
– 512 byte of internal Boot ROM (program memory)
– 256 bytes of internal data memory
– 3 Kbyte of external XRAM data memory
– a 128 byte special function register area
Figure 5 illustrates the memory address spaces of the C509-L.
Figure 5
C509-L Memory Map
The C509-L can operate in four different operating modes (chipmodes) with different program and
data memory organizations :
– Normal Mode
– XRAM Mode
– Bootstrap Mode
– Programming Mode
Table 2 describes the program and data memory areas which are available in the different
chipmodes of the C509-L. It also shows the control bits of SFR SYSCON1, which are used for the
software selection of the chipmodes. Figures 6 to 9 shows the four chipmode configurations with
the code and data memory partitioning.
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