EM78P341N/342N/343N
8-Bit Microprocessor with OTP ROM
6.5.1.1 Wake-up and Interrupt Modes Operation Summary
The controller can be awakened from sleep mode and idle mode. The wake-up signals are listed
as follows.
Wakeup
Signal
Sleep Mode
Idle Mode
Wake-up
Green Mode
Normal Mode
Interrupt
Interrupt
External
interrupt
+ interrupt
×
(if interrupt is enabled) (if interrupt is enabled)
(if interrupt is enabled)
+ next instruction
If enable ICWE bit
Wake-up
or next instruction
Interrupt
or next instruction
If enable ICWE bit
Wake-up + interrupt
(if interrupt is enabled)
+ next instruction
Interrupt
Port 5 pin
change
+ interrupt
(if interrupt is enabled) (if interrupt is enabled)
(if interrupt is enabled) or next instruction
+ next instruction
or next instruction
Wake-up + interrupt
(if interrupt is enabled) (if interrupt is enabled) (if interrupt is enabled)
+ next instruction
If enable ADWE bit
Wake-up + interrupt
Interrupt
Interrupt
TCC overflow
interrupt
x
or next instruction
or next instruction
If enable ADWE bit
Wake-up + interrupt
AD
Interrupt
(if interrupt is enabled)
or next instruction
conversion
complete
interrupt
×
(if interrupt is enabled) (if interrupt enable)
+ next instruction + next instruction
Fs and Fm don’t stop Fs and Fm don’t stop
Fs and Fm don’t stop
If enable CMPWE bit
Wake-up
+ interrupt
(if interrupt enable)
+ next instruction
If enable CMPWE bit
Comparator Wake-up + interrupt
Interrupt
Interrupt
(if interrupt enable)
or next instruction
(if interrupt enable)
or next instruction
interrupt
(if interrupt enable)
+ next instruction
High-pulse
width timer
underflow
interrupt
Wake-up
+ interrupt
(if interrupt enable)
+ next instruction
Interrupt
(if interrupt enable)
or next instruction
Interrupt
(if interrupt enable)
or next instruction
x
Low-pulse
width timer
underflow
interrupt
Wake-up
+ interrupt
(if interrupt enable)
+ next instruction
Interrupt
(if interrupt enable)
or next instruction
Interrupt
(if interrupt enable)
or next instruction
x
x
x
Wake-up
+ interrupt
(if interrupt enable)
+ next instruction
Wake-up
TCCA
overflow
interrupt
Interrupt
(if interrupt enable)
or next instruction
Interrupt
(if interrupt enable)
or next instruction
TCCB
overflow
interrupt
Interrupt
(if interrupt enable)
or next instruction
Interrupt
(if interrupt enable)
or next instruction
+ interrupt
(if interrupt enable)
+ next instruction
Wake-up
TCCC
overflow
interrupt
Interrupt
(if interrupt enable)
or next instruction
Interrupt
(if interrupt enable)
or next instruction
+ interrupt
x
(if interrupt enable)
+ next instruction
If Enable LVDWE bit
Wake-up
If Enable LVDWE bit
Low Voltage Wake-up
Interrupt
Interrupt
Detector
interrupt
+ interrupt
(if interrupt enable)
+ next instruction
+ interrupt
(if interrupt enable)
+ next instruction
(if interrupt enable)
or next instruction
(if interrupt enable)
or next instruction
WDT Time out
RESET
RESET
RESET
RESET
RESET
RESET
Low Voltage
Reset
RESET
RESET
After wake up:
1. If interrupt is enabled → interrupt+ next instruction
2. If interrupt is disabled → next instruction
38 •
Product Specification (V1.0) 12.01.2006
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
