
EM78M611E
Universal Serial Bus Series Microcontroller
R3 [2] Zero flag. It will be set to 1 when the result of an arithmetic or logic operation is zero.
R3 [3] Power down flag. It will be set to 1 during 
0: Power down
1: 
R3 [4] 
0: Watchdog timer overflow occurs
1: No Watchdog timer overflow
The various states of Power down flag and 
T  | P  | Condition | 
  | 
  | 
  | 
1
1
0
1
1
1
1 *P 0 0
Wake up caused by port change during Power down mode
*P: Previous status before WDT reset
R3 
PS2  | PS1  | PS0  | Program Memory Page [Address] | |
  | 
  | 
  | 
  | |
0  | 0  | 0  | Page 0   | |
  | 
  | 
  | 
  | |
0  | 0  | 1  | Page 1   | |
  | 
  | 
  | 
  | |
0  | 1  | 0  | Page 2   | |
  | 
  | 
  | 
  | |
0  | 1  | 1  | Page 3   | |
  | 
  | 
  | 
  | |
1  | 0  | 0  | Page 4   | |
  | 
  | 
  | 
  | |
1  | 0  | 1  | Page 5   | |
  | 
  | 
  | 
  | 
12 •  | Product Specification (V1.1) 11.22.2006 | 
(This specification is subject to change without further notice)