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参数资料
| 型号： | C167CS-32F |
| 厂商： | SIEMENS AG |
| 英文描述： | 16-bit microcontrollers(16位微控制器) |
| 中文描述： | 16位微控制器（16位微控制器） |
| 文件页数： | 4/9页 |
| 文件大小： | 40K |
| 代理商： | C167CS-32F |
Semiconductor Group
4 of 9
AP1642 02.99
C167CS-32F/ C161CI-32F/ C161SI-32F
Flash Memory Programming (all Ax-steps)
2
Flash Memory Configuration
Upon reset the default memory configuration of the C167CS-32F/ C161CI-32F/ C161SI-32F is
determined by the state of its EA pin. When EA is low the internal flash memory is disabled and the
startup code is fetched from external memory.
In order to access the on-chip flash memory after booting from external memory the internal flash
memory must be enabled via software by setting bit ROMEN in register SYSCON. The lower 32
KBytes of the flash memory can be mapped to segment 0 or segment 1, controlled by bit ROMS1
in register SYSCON. Mapping to segment 1 preserves the external memory containing the startup
code, while mapping to segment 0 replaces the lower 32 KBytes of the external memory with on-
chip flash memory. In this case a valid vector table must be provided.
As the on-chip flash memory covers more than segment 0, segmentation should be enabled (by
clearing bit SGTDIS in register SYSCON) in order to map the whole internal flash into the address
space.
Whenever the internal memory configuration of the C167CS-32F/ C161CI-32F/ C161SI-32F is
changed (mapping, enabling, disabling) the following procedure must be used to ensure correct
operation:
l
Configure the internal flash memory as required
l
Execute an inter-segment branch (JMPS, CALLS, RETS)
l
Reload all four DPP registers
Note:
Register SYSCON can only be modified
before
the execution of the EINIT instruction.
Note:
For detailed informations concerning the handling of internal non-volatile memory please refer to
the users manual, chapter System Programming“ (Handling the Internal ROM/ Pits, Traps and
Mines).
相关PDF资料 |
PDF描述 |
|---|---|
| C161S | 16-Bit Single-Chip Microcontroller |
| C161U | Embedded C166 with USB, USART and SSC |
| C161 | 16-Bit Single-Chip Microcontroller |
| C163-L | 16-bit CMOS Single-Chip Microcontroller |
| C164CI-8E | 16-bit microcontrollers(16位微控制器) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| C167CS-4R | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| C167CS-4R_01 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| C167CS-4RM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| C167CS-L | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| C167CS-L16M3V | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bi t Single-Chip Microcontroller |
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