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| 型號(hào)： | ST10F273M-4Q3 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 28 X 28 MM, 3.40 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-144 |
| 文件頁(yè)數(shù)： | 135/182頁(yè) |
| 文件大?。?/td> | 3222K |
| 代理商： | ST10F273M-4Q3 |
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Interrupt system
ST10F273M
9
Interrupt system
The interrupt response time for internal program execution is from 125ns to 300ns at
40 MHz CPU clock.
The ST10F273M architecture 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 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 destination pointer. An individual PEC transfer counter is implicitly
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 to perform
the transmission or the reception of blocks of data. The ST10F273M has eight PEC
channels, each of them offers such fast interrupt-driven data transfer capabilities.
An interrupt control register which contains an interrupt request flag, an interrupt enable flag
and an interrupt priority bit-field is dedicated to each existing interrupt source. Thanks to its
related register, each source can be programmed to one of sixteen interrupt priority levels.
Once starting to be processed 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.
Software interrupts are supported by means of the ‘TRAP’ instruction in combination with an
individual trap (interrupt) number.
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).
Fast external interrupts may also have interrupt sources selected from other peripherals; for
example the CANx controller receive signals (CANx_RxD) and I2C serial clock signal can be
used to interrupt the system.
Table 30 shows all the available ST10F273M interrupt sources and the corresponding
hardware-related interrupt flags, vectors, vector locations and trap (interrupt) numbers.
Table 30.
Interrupt sources
Source of interrupt or
PEC service request
Request
flag
Enable
flag
Interrupt
vector
Vector
location
Trap
number
CAPCOM Register 0
CC0IR
CC0IE
CC0INT
00’0040h
10h
CAPCOM Register 1
CC1IR
CC1IE
CC1INT
00’0044h
11h
CAPCOM Register 2
CC2IR
CC2IE
CC2INT
00’0048h
12h
CAPCOM Register 3
CC3IR
CC3IE
CC3INT
00’004Ch
13h
CAPCOM Register 4
CC4IR
CC4IE
CC4INT
00’0050h
14h
CAPCOM Register 5
CC5IR
CC5IE
CC5INT
00’0054h
15h
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| ST10F273M-4QR3 | 功能描述:16位微控制器 - MCU 16-bit MCU 512 Kbyte Flash memory 36 Kbyt RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| ST10F273M-4T3 | 功能描述:16位微控制器 - MCU 16-bit MCU 512 Kbyte Flash memory 36 Kbyt RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| ST10F273M-4TR3 | 功能描述:16位微控制器 - MCU 16-bit MCU 512 Kbyte Flash memory 36 Kbyt RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| ST10F273Z4Q3 | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| ST10F273Z4T3 | 功能描述:16位微控制器 - MCU 16B MCU RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
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