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| 型号： | ST6215CB3/CCC |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | MICROCONTROLLER, PDIP28 |
| 封装： | PLASTIC, DIP-28 |
| 文件页数： | 26/105页 |
| 文件大小： | 1412K |
| 代理商： | ST6215CB3/CCC |
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ST6215C/ST6225C
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6 INTERRUPTS
The ST6 core may be interrupted by four maska-
ble interrupt sources, in addition to a Non Maska-
ble Interrupt (NMI) source. The interrupt process-
ing flowchart is shown in Figure 18.
Maskable interrupts must be enabled by setting
the GEN bit in the IOR register. However, even if
they are disabled (GEN bit = 0), interrupt events
are latched and may be processed as soon as the
GEN bit is set.
Each source is associated with a specific Interrupt
Vector, located in Program space (see Interrupt
Mapping table). In the vector location, the user
must write a Jump instruction to the associated in-
terrupt service routine.
When an interrupt source generates an interrupt
request, the PC register is loaded with the address
of the interrupt vector, which then causes a Jump
to the relevant interrupt service routine, thus serv-
icing the interrupt.
Interrupts are triggered by events either on exter-
nal pins, or from the on-chip peripherals. Several
events can be ORed on the same interrupt vector.
On-chip peripherals have flag registers to deter-
mine which event triggered the interrupt.
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相关代理商/技术参数 |
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| ST6215CB6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, OSCILLATOR SAFEGUARD, SAFE RESET AND 28 PINS |
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| ST6215CM1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, OSCILLATOR SAFEGUARD, SAFE RESET AND 28 PINS |
| ST6215CM1/HXH/TR | 制造商:STMicroelectronics 功能描述:8-BIT MCUS WITH A/D CONVERTER, |
| ST6215CM1/MIKTR | 制造商:STMicroelectronics 功能描述:8-BIT MCUS WITH A/D CONVERTER, |
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