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参数资料
| 型号： | C167SR |
| 厂商： | SIEMENS AG |
| 英文描述： | 16-Bit CMOS Single-Chip Microcontroller |
| 中文描述： | 16位CMOS单芯片微控制器 |
| 文件页数： | 18/66页 |
| 文件大小： | 680K |
| 代理商： | C167SR |
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C167SR
Semiconductor Group
15
Interrupt System
With an interrupt response time within a range from just 250 ns to 600 ns (in case of internal
program execution), the C167SR is capable of reacting very fast to the occurence of non-
deterministic events.
The architecture of the C167SR supports several mechanisms for fast and flexible response to
service requests that can be generated from various sources internal or external to the
microcontroller. Any of these interrupt requests can be programmed to being serviced by the
Interrupt Controller or by the Peripheral Event Controller (PEC).
In contrast to a standard interrupt service where the current program execution is suspended and
a branch to the interrupt vector table is performed, just one cycle is ‘stolen’ from the current CPU
activity to perform a PEC service. A PEC service implies a single byte or word data transfer between
any two memory locations with an additional increment of either the PEC source or the destination
pointer. An individual PEC transfer counter is implicity decremented for each PEC service except
when performing in the continuous transfer mode. When this counter reaches zero, a standard
interrupt is performed to the corresponding source related vector location. PEC services are very
well suited, for example, for supporting the transmission or reception of blocks of data. The C167SR
has 8 PEC channels each of which offers such fast interrupt-driven data transfer capabilities.
A separate control register which contains an interrupt request flag, an interrupt enable flag and an
interrupt priority bitfield exists for each of the possible interrupt sources. Via its related register, each
source can be programmed to one of sixteen interrupt priority levels. Once having been accepted
by the CPU, an interrupt service can only be interrupted by a higher prioritized service request. For
the standard interrupt processing, each of the possible interrupt sources has a dedicated vector
location.
Fast external interrupt inputs are provided to service external interrupts with high precision
requirements. These fast interrupt inputs feature programmable edge detection (rising edge, falling
edge or both edges).
Software interrupts are supported by means of the ‘TRAP’ instruction in combination with an
individual trap (interrupt) number.
The following table shows all of the possible C167SR interrupt sources and the corresponding
hardware-related interrupt flags, vectors, vector locations and trap (interrupt) numbers:
Note:
Three nodes in the table (X-Peripheral nodes) are prepared to accept interrupt requests from
integrated X-Bus peripherals. Nodes, where no X-Peripherals are connected, may be used
to generate software controlled interrupt requests by setting the respective XPnIR bit.
相关PDF资料 |
PDF描述 |
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| C167 | High-Performance CMOS 16-Bit Microcontrollers |
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| C1733 | ADSL Line Coupling Transformer, IEC60950 Supplementary 250V |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| C167SR-LM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bi t Single-Chip Microcont roller |
| C167SRLMHABXQLA1 | 功能描述:IC MCU 32BIT 144MQFP 制造商:infineon technologies 系列:* 零件状态:最後搶購 标准包装:1 |
| C167SRLMHABXQLA2 | 功能描述:IC MCU 32BIT 144MQFP 制造商:infineon technologies 系列:* 零件状态:最後搶購 标准包装:1 |
| C167SRLMHABXUMA1 | 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit C166 CISC/RISC ROMLess 5V 144-Pin MQFP 制造商:Infineon Technologies AG 功能描述:16 BIT ROM/ROMLESS - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 16BIT 144MQFP |
| C167SRLMHABXUMA2 | 功能描述:IC MCU 16BIT ROMLESS 144MQFP 制造商:infineon technologies 系列:C16xx 包装:带卷（TR） 零件状态:最後搶購 核心处理器:C166 核心尺寸:16-位 速度:25MHz 连接性:CAN，EBI/EMI，SPI，UART/USART 外设:POR，PWM，WDT I/O 数:111 程序存储容量:- 程序存储器类型:ROMless EEPROM 容量:- RAM 容量:4K x 8 电压 - 电源（Vcc/Vdd）:4.5 V ~ 5.5 V 数据转换器:A/D 16x10b 振荡器类型:外部 工作温度:0°C ~ 70°C（TA） 封装/外壳:144-BQFP 供应商器件封装:PG-MQFP-144 标准包装:200 |
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