Справочник Пользователя для IBM EM78P312N
EM78P312N
8-Bit Microcontroller
48
•
Product Specification (V1.0) 10.03.2006
(This specification is subject to change without further notice)
General Purpose Registers
Address Name
Reset Type
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit Name
-
-
-
-
-
-
-
-
Power-on
U U U U U U U U
/RESET
and
WDT
time
out
P P P P P P P P
0x10
~
0x3F
R10
~
R3F
Wake-up
from
Sleep,
Idle
mode P P P P P P P P
Legend: “
×” = not used “P” = previous value before reset
“u” = unknown or don’t care “t” = check Table 7
5.14.4 The Status of RST, T, and P of the Status Register
The values of T and P are used to verify the event that triggered the processor to wake
up. Table 7 shows the events that may affect the status of T and P.
up. Table 7 shows the events that may affect the status of T and P.
Table 7. The Values of RST, T and P after a reset
Reset Type
T
P
Power on
1
1
/RESET during Operation mode
*
P
*
P
/RESET wake-up during Sleep mode
*
P
*
P
/RESET wake-up during Idle mode
*
P
*
P
WDT during Operation mode
0
*
P
WDT wake-up during Sleep mode
0
*
P
WDT wake-up during Idle mode
0
*
P
*
P: Previous status before reset
Table 8 The Events that may affect the T and P Status
Event
T
P
Power on
1
1
WDTC instruction
1
1
WDT time-out
0
*
P
SLEP instruction
1
0
Wake-Up during Sleep mode
*
P
*
P
*
P: Previous value before reset