參數(shù)資料
型號(hào): μPD789124
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 23/48頁(yè)
文件大?。?/td> 220K
代理商: ΜPD789124
Preliminary Product Information
23
μ
PD789121, 789122, 789124
Figure 6-1. Basic Configuration of Interrupt Functions
(A) Internal nonmaskable interrupt
Internal bus
Interrupt request
Vector table address
generation circuit
Standby release signal
(B) Internal maskable interrupt
Internal bus
MK
IF
Interrupt request
IE
Vector table address
generation circuit
Standby release signal
(C) External maskable interrupt
Internal bus
External interrupt mode
register (INTM0)
MK
IF
IE
Vector table address
generation circuit
Standby release
signal
Edge detection
circuit
Interrupt
request
IF
IE : Interrupt enable flag
MK : Interrupt mask flag
: Interrupt request flag
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