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| 型号： | SAF-C161K-L25M |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, 25 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | 0.65 MM PITCH, METRIC, PLASTIC, QFP-80 |
| 文件页数： | 7/66页 |
| 文件大小： | 1102K |
| 代理商： | SAF-C161K-L25M |
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C161K
C161O
Data Sheet
11
V2.0, 2001-01
External Bus Controller
All of the external memory accesses are performed by a particular on-chip External Bus
Controller (EBC). It can be programmed either to Single Chip Mode when no external
memory is required, or to one of four different external memory access modes, which are
as follows:
– 16-/18-/20-/22-bit Addresses, 16-bit Data, Demultiplexed
– 16-/18-/20-/22-bit Addresses, 16-bit Data, Multiplexed
– 16-/18-/20-/22-bit Addresses, 8-bit Data, Multiplexed
– 16-/18-/20-/22-bit Addresses, 8-bit Data, Demultiplexed
In the demultiplexed bus modes, addresses are output on PORT1 and data is input/
output on PORT0 or P0L, respectively. In the multiplexed bus modes both addresses
and data use PORT0 for input/output.
Important timing characteristics of the external bus interface (Memory Cycle Time,
Memory Tri-State Time, Length of ALE and Read Write Delay) have been made
programmable to allow the user the adaption of a wide range of different types of
memories and external peripherals.
In addition, up to 4 independent address windows may be defined (via register pairs
ADDRSELx / BUSCONx) which control the access to different resources with different
bus characteristics. These address windows are arranged hierarchically where
BUSCON4 overrides BUSCON3 and BUSCON2 overrides BUSCON1. All accesses to
locations not covered by these 4 address windows are controlled by BUSCON0.
Up to 2 or 4 external CS signals (1 or 3 windows plus default, depending on the device)
can be generated in order to save external glue logic. The C161K/O offers the possibility
to switch the CS outputs to an unlatched mode. In this mode the internal filter logic is
switched off and the CS signals are directly generated from the address. The unlatched
CS mode is enabled by setting CSCFG (SYSCON.6).
For applications which require less than 4 MBytes of external memory space, this
address space can be restricted to 1 MByte, 256 KByte, or to 64 KByte. In this case
Port 4 outputs four, two, or no address lines at all. It outputs all 6 address lines, if an
address space of 4 MBytes is used.
相关PDF资料 |
PDF描述 |
|---|---|
| SAF-C161O-LM | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C161K-LM3V | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C161O-LM3V | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80 |
| SAB-C161K-LM3V | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C164SI-8R16M3V | 16-BIT, MROM, 16 MHz, RISC MICROCONTROLLER, PQFP80 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAF-C161K-LM | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
| SAF-C161K-LM 3V | 制造商:Infineon Technologies AG 功能描述:16BIT MCU ROM/ROMLESS MQFP80 161 |
| SAF-C161K-LM 3V HA | 功能描述:16位微控制器 - MCU 16BIT SNGLChip MICRO CONTROLLER 5V RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAF-C161K-LM HA | 功能描述:16位微控制器 - MCU 16BIT SNGLChip MICRO CONTROLLER 5V RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
| SAF-C161K-LM3V | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
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