参数资料
型号: M34506M2-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封装: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件页数: 18/114页
文件大小: 836K
代理商: M34506M2-XXXFP
5
5-3
INTERRUPT CONTROLLER (ICU)
32180 Group User’s Manual (Rev.1.0)
Interrupt Vector Register
(IVECT)
Interrupt Request Mask
Register (IMASK)
NEW_IMASK
External Interrupt (EI)
request generated
(maskable)
IMASK
compari-
son
ILEVEL
System Break Interrupt (SBI)
request generated
(nonmaskable)
SBI#
EI
SBI
Interrupt Controller
Interrupt Control Register
SBI Control Register
(SBICR)
SBIREQ
IREQ
Peripheral circuits
Edge
Interrupt
control circuit
Edge
Level
Interrupt request
Level
To the CPU core
Interrupt
control circuit
Interrupt
control circuit
Pr
ior
ity
resolv
ed
b
y
interr
upt
pr
ior
ity
le
v
els
set
Pr
ior
ity
resolv
ed
b
y
fix
ed
hardw
are
pr
ior
ity
Figure 5.1.1 Block Diagram of the Interrupt Controller
5.1 Outline of the Interrupt Controller
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