em78p5830aa ELAN Microelectronics Corp, em78p5830aa Datasheet - Page 10

• Manufacturer Part Number: em78p5830aa
• Description: 8-bit Micro-controller 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

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* This specification is subject to be changed without notice.
R3 (Status, Page selection)
(Status flag, Page selection bits)
RPAGE1
R/W-0
Bit 0(C) : Carry flag
Bit 1(DC) : Auxiliary carry flag
Bit 2(Z) : Zero flag
Bit 3(P) : Power down bit
Bit 4(T) : Time-out bit
Bit 5(IOCPAGE) : change IOC5 ~ IOCE to another page
Bit 6(RPAGE0 ~ RPAGE1) : change R5 ~ RE to another page
Set to 1 during power on or by a "WDTC" command and reset to 0 by a "SLEP" command.
Set to 1 by the "SLEP" and "WDTC" command, or during power up and reset to 0 by WDT timeout.
Please refer to Fig.4 control register configuration for details.
0/1
Please refer to VII.1 Operational registers for detail register configuration.
EVENT
WDT wake up from sleep mode
WDT time out (not sleep mode)
/RESET wake up from sleep
Power up
Low pulse on /RESET
7
(RPAGE1,RPAGE0)
(0,0)
(0,1)
(1,0)
(1,1)
A13 A12 A11 A10
R5(PAGE)
IOC page0 / IOC page1
RPAGE0 IOCPAGE
R/W-0
0 0 0 0
0 0 1 0
1 1 1 1
0 0 0 1
6
PAGE15 05400~057FF
R/W-0
A9 A8
PAGE0
PAGE1
PAGE2
:
:
:
5
Fig.3 Program counter organization
00800~00BFF
T
0
0
1
1
x
00000~003FF
00400~007FF
A7~A0
R page # selected
R page 0
R page 1
R page 2
R page 3
T
R
4
X
P
0
1
0
1
R
P
3
INTERRUPT
CALL
and
RET
RETI
RETL
8
x : don't care
REMARK
R/W
Z
2
STACK9
STACK10
STACK11
STACK1
STACK2
STACK3
STACK4
STACK5
STACK6
STACK7
STACK8
STACK12
R/W
DC
1
R/W
C
0
restore
store
ACC,R3,R5(PAGE)
8-bit Micro-controller
12/1/2004 V1.6
EM785830AA