参数资料
型号: mPD789322
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器与2/4/8K字节在系统可编程闪存
文件页数: 52/96页
文件大小: 482K
代理商: MPD789322
Preliminary Product Information U14673EJ1V0PM00
56
PD789322,789324,789326,789327
6. INTERRUPT FUNCTION
6.1 Interrupt Types
Two types of interrupts are supported.
(1) Non-maskable interrupts
Non-maskable interrupt requests are acknowledged unconditionally, i.e. even when interrupts are disabled.
These interrupts take precedence over all other interrupts and are not subject to interrupt priority control.
A non-maskable interrupt causes the generation of the standby release signal.
An interrupt from the watchdog timer is the only non-maskable interrupt source supported in the
PD789322,
789324, 789326, and 789327.
(2) Maskable interrupts
Maskable interrupts are subject to mask control. If two or more maskable interrupts occur simultaneously, the
default priority listed in Table 6-1 applies.
A maskable interrupt causes the generation of the standby release signal.
Maskable interrupts from 2 external and 6 internal sources are supported in the
PD789322, 789324, 789326,
and 789327.
6.2 Interrupt Sources and Configuration
The
PD789322, 789324, 789326, and 789327 support a total of 9 maskable and non-maskable interrupt
sources (see Table 6-1).
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MPD789322GB-XXX-8ET 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789324 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789324GB-XXX-8ET 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789326 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
MPD789326GB-XXX-8ET 制造商:NEC 制造商全称:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER