ST92163 - INTERRUPTS
3.7 MANAGEMENT OF WAKE-UP LINES AND EXTERNAL INTERRUPT LINES
In the ST92163, fifteen Wake-up lines
(WKUP[14:0]) are available on external pins. The
WKUP[15] line is internally connected to the USB
interfaceline.
Figure 28 shows the connections of the External
Interrupt Lines INT7[7:0] and the Wake-up/Inter-
rupt Lines managed through the WUIMU on the
INTD1 interrupt channel.
Figure 28. Wake-Up Lines and External Interrupt Lines Management
USBISTR
Register
ESUS P
WUIMU
WKUP[7:0]
WKUP[13:8]
WKUP15 WKUP14
USB
INTERFACE
WKUP14[7:0]
Trigger Registers
Pending Registers
Mask Registers
INT7[7:0]
SW Setting
WUCTRL Register
1
0
ID1S bit
STO P
(to RCCU)
External Interrupt
INTD1
(to CPU)
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