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EM78P809N
8-Bit Microcontroller
Product Specification (V1.0) 07.26.2005
• 49
(This specification is subject to change without further notice)
Table 6. Summary of the Initialized Values for Registers
Address Name Reset Type Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit Name C67 C66 C65 C64 C63 C62 C61 C60
Power-On 1 1 1 1 1 1 1 1
/RESET and WDT time out 1 1 1 1 1 1 1 1
0x06 IOC6
Wake-Up from SLEEP, IDLE mode P P P P P P P P
Bit Name X X X X C73 C72 C71 C70
Power-on U U U U 1 1 1 1
/RESET and WDT time out U U U U 1 1 1 1
0x07 IOC7
Wake-Up from SLEEP, IDLE mode U U U U P P P P
Bit Name X X X X X X C81 C80
Power-on U U U U U U 1 1
/RESET and WDT time out U U U U U U 1 1
0x08 IOC8
Wake-Up from SLEEP, IDLE mode U U U U U U P P
Bit Name C97 C96 C95 C94 C93 C92 C91 C90
Power-On 1 1 1 1 1 1 1 1
/RESET and WDT time out 1 1 1 1 1 1 1 1
0x09 IOC9
Wake-Up from SLEEP, IDLE mode P P P P P P P P
Bit Name INT1NR INT0EN X
INT3ES1 INT3ES0
X INT1ES TC2ES
Power-On 0 0 0 0 0 0 0 0
/RESET and WDT time out 0 0 0 0 0 0 0 0
0x0B INTCR
Wake-Up from SLEEP, IDLE mode P P P P P P P P
Bit Name CALI SIGN VOF2 VOF1 VOF0 X X X
Power-on 0 0 0 0 0 U U U
/RESET and WDT time out 0 P P P P U U U
0x0C
ADOSC
R
Wake-Up from SLEEP, IDLE mode 0 P P P P U U U
Bit Name EXIE5 TCIE2 ADIE X EXIE3 TCIE4 SPIE TCIE3
Power-on 0 0 0 U 0 0 0 0
/RESET and WDT time out 0 0 0 U 0 0 0 0
0x0E IMR1
Wake-Up from SLEEP, IDLE mode P P P U P P P P
Bit Name X
UERRIE
URIE UTIE TBIE EXIE1 X TCIE0
Power-on U 0 0 0 0 0 U 0
/RESET and WDT time out U 0 0 0 0 0 U 0
0x0F IMR2
Wake-Up from SLEEP, IDLE mode U P P P P P U P
Bit Name WDT0 /INT WDTP1 WDTP0 WDTE PSR2 PSR1 PSR0
Power-on 0 0 0 0 0 0 0 0
/RESET and WDT time out 0 0 0 0 0 0 0 0
N/A CONT
Wake-Up from SLEEP, IDLE mode P P P P P P P P
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
0x00
R0
(IAR)
Wake-Up from SLEEP, IDLE mode
P P P P P P P P
Bit Name - - - - - - - -
Power-on 0 0 0 0 0 0 0 0
/RESET and WDT time out 0 0 0 0 0 0 0 0
0x01
R1
(TCC)
Wake-Up from SLEEP, IDLE mode P P P P P P P P
Bit Name - - - - - - - -
Power-on 0 0 0 0 0 0 0 0
/RESET and WDT time out 0 0 0 0 0 0 0 0
0x02
R2
(PC)
Wake-Up from SLEEP, IDLE mode Jump to interrupt vector or execute next instruction
Bit Name RBS1 RBS0 X T P Z DC C
Power-on 0 0 0 1 1 U U U
/RESET and WDT time out 0 0 0 t t P P P
0x03
R3
(SR)
Wake-Up from SLEEP, IDLE mode P P P t t P P P
Bit Name GRBS1 GRBS0 RSR5 RSR4 RSR3 RSR2 RSR1 RSR0
Power-On 0 0 U U U U U U
/RESET and WDT time out 0 0 P P P P P P
0x04
R4
(RSR)
Wake-Up from SLEEP, IDLE mode P P P P P P P P