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| 型号： | SAF-XC2388C-200F80L |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144 |
| 封装： | 0.50 MM PITCH, GREEN, PLASTIC, LQFP-144 |
| 文件页数： | 100/147页 |
| 文件大小： | 1798K |
| 代理商： | SAF-XC2388C-200F80L |
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XC2387C, XC2388C
XC2000 Family Derivatives / High Line
Functional Description
Data Sheet
56
V1.2, 2010-09
3.2
External Bus Controller
All external memory access operations are performed by a special on-chip External Bus
Controller (EBC). The EBC also controls access to resources connected to the on-chip
LXBus (MultiCAN and the USIC modules). The LXBus is an internal representation of
the external bus that allows access to integrated peripherals and modules in the same
way as to external components.
The EBC can be programmed either to Single Chip Mode, when no external memory is
required, or to an external bus mode with the following selections
1):
Address Bus Width with a range of 0 … 24-bit
Data Bus Width 8-bit or 16-bit
Bus Operation Multiplexed or Demultiplexed
The bus interface uses Port 10 and Port 2 for addresses and data. In the demultiplexed
bus modes, the lower addresses are output separately on Port 0 and Port 1. The number
of active segment address lines is selectable, restricting the external address space to
8 Mbytes … 64 Kbytes. This is required when interface lines shall be assigned to Port 2.
External CS signals (address windows plus default) can be generated and output on
Port 4 in order to save external glue logic. External modules can be directly connected
to the common address/data bus and their individual select lines.
Important timing characteristics of the external bus interface are programmable (with
registers TCONCSx/FCONCSx) to allow the user to adapt it to a wide range of different
types of memories and external peripherals.
Access to very slow memories or modules with varying access times is supported by a
special ‘Ready’ function. The active level of the control input signal is selectable.
In addition, up to four independent address windows may be defined (using registers
ADDRSELx) to control access to resources with different bus characteristics. These
address windows are arranged hierarchically where window 4 overrides window 3, and
window 2 overrides window 1. All accesses to locations not covered by these four
address windows are controlled by TCONCS0/FCONCS0. The currently active window
can generate a chip select signal.
The external bus timing is based on the rising edge of the reference clock output
CLKOUT. The external bus protocol is compatible with that of the standard C166 Family.
1) Bus modes are switched dynamically if several address windows with different mode settings are used.
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PDF描述 |
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| SAK-XC2388C-200F80L | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144 |
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| SAH-XC2388C-200F80L | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144 |
| SAK-XC2388C-104F80L | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144 |
| SAH-XC2712X-8F66R | 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PDSO38 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAF-XC2766X-96F66L66 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16/32-Bit Single-Chip Microcontroller with 32-Bit Performance |
| SAF-XC2786X-96F66L | 制造商:Infineon Technologies AG 功能描述: |
| SAF-XC822-1FRA | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| SAF-XC822-1FRA AA | 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| SAF-XC822-1FRI | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
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