em78p613 ELAN Microelectronics Corp, em78p613 Datasheet - Page 14

• Manufacturer Part Number: em78p613
• Description: Universal Serial Bus Series Microcontroller
• Manufacturer: ELAN Microelectronics Corp

EM78P613
Universal Serial Bus Series Microcontroller
10 •
R3 [2] Zero flag. It will be set to 1 when the result of an arithmetic or logic operation is
R3 [3] Power down flag. It will be set to 1 during Power-on phase or by “WDTC”
R3 [4] Time-out flag. It will be set to 1 during Power-on phase or by “WDTC”
The various states of Power down flag and Time-out flag at different conditions are
shown below:
R3 [5-7] Page selection bits. These three bits are used to select the program memory
PS2
T
1
1
0
1
1
0
0
0
0
1
1
zero.
command and cleared when the MCU enters into Power down mode. It remains
in its previous state after a Watchdog Reset.
command. It is reset to 0 by WDT time-out.
0: Power down
1: Power-on
0: Watchdog timer overflow occurs
1: No Watchdog timer overflow
page.
PS1
*P
P
1
1
0
0
0
0
1
1
0
0
Power-on reset
WDTC instruction
WDT time-out
Power down mode
Wake up caused by port change during Power down mode
PS0
0
1
0
1
0
1
(This specification is subject to change without further notice)
Program Memory Page [Address]
Product Specification (V1.0) 01.09.2009
Condition
Page 3 [0C00-0FFF]
Page 2 [0800-0BFF]
Page 0 [0000-03FF]
Page 1 [0400-07FF]
Page 4 [1000-13FF]
Page 5 [1400-17FF]
*P: Previous status before WDT reset