em78p468n ELAN Microelectronics Corp, em78p468n Datasheet - Page 35

• Manufacturer Part Number: em78p468n
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Product Specification (V1.6) 12.31.2007
(This specification is subject to change without further notice)
The controller can be awakened from sleep mode and idle mode. The wake-up signals
are listed as follows:
Wake-up Signal
TCC time out
IOCF0 Bit 0=1
INT0 pin
IOCF0 Bit 1=1
INT1 pin
IOCF0 Bit 2=1
Counter 1
IOCF0 Bit 3=1
Counter 2
IOCF0 Bit 4=1
High-pulse timer
IOCF0 Bit 5=1
Low-pulse timer
IOCF0 Bit 6=1
Port 6, Port 8
(input status
change wake-up)
Bit 7 of IOCF0 = “0”
Port 6, Port 8
(input status
change wake-up)
Bit 7 of IOCF0 = “1”
WDT time out
Wake-up
+ interrupt
+ next instruction
Wake-up
+ interrupt
+ next instruction
Wake-up
+ next instruction
Wake-up
+ interrupt
+ next instruction
Sleep Mode
×
×
×
×
×
×
Wake-up
+ interrupt
+ next instruction
Wake-up
+ interrupt
+ next instruction
Wake-up
+ interrupt
+ next instruction
Wake-up
+ interrupt
+ next instruction
Wake-up
+ interrupt
+ next instruction
Wake-up
+ interrupt
+ next instruction
Wake-up
+ next instruction
Wake-up
+ interrupt
+ next instruction
RESET
Idle Mode
×
Green Mode Normal Mode
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
RESET
8-Bit Microcontroller
×
×
EM78P468N/L
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
Interrupt
RESET
×
×
• 29