EM78468
8-BIT Microcontroller
Table 2 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
Power-On
IOC57
IOC56
IOC55
IOC54
P8HS
P8LS
P7HS
P7LS
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
IOC50
0x05
/RESET and WDT
Wake-Up from Pin
Change
(P5CR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
IOC67
1
1
IOC66
1
1
IOC65
1
1
IOC64
1
1
IOC63
1
1
IOC62
1
1
IOC61
1
1
IOC60
1
1
IOC60
0x06
/RESET and WDT
Wake-Up from Pin
Change
(P6CR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
IOC77
1
1
IOC76
1
1
IOC75
1
1
IOC74
1
1
IOC73
1
1
IOC72
1
1
IOC71
1
1
IOC70
1
1
IOC70
0x07
/RESET and WDT
Wake-Up from Pin
Change
(P7CR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
IOC87
1
1
IOC86
1
1
IOC85
1
1
IOC84
1
1
IOC83
1
1
IOC82
1
1
IOC81
1
1
IOC80
1
1
IOC80
0x08
/RESET and WDT
Wake-Up from Pin
Change
(P8CR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
X
0
0
RAM_A6 RAM_A5 RAM_A4 RAM_A3 RAM_A2 RAM_A1 RAM_A0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
IOC90
0x09
/RESET and WDT
Wake-Up from Pin
Change
(RAM_ADDR)
P
P
P
P
P
P
P
P
RAM_D0
Bit Name
Power-On
RAM_D7 RAM_D6 RAM_D5 RAM_D4 RAM_D3 RAM_D2 RAM_D1
U
P
U
P
U
P
U
P
U
P
U
P
U
P
U
P
IOCA0
0x0A
/RESET and WDT
Wake-Up from Pin
Change
(RAM_DB)
P
P
P
P
P
P
P
P
Bit Name
Power-On
Bit 7
0
0
Bit 6
0
0
Bit 5
0
0
Bit 4
0
0
Bit 3
0
0
Bit 2
0
0
Bit 1
0
0
Bit 0
0
0
IOCB0
0x0B
/RESET and WDT
Wake-Up from Pin
Change
(CNT1PR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
Bit 7
0
0
Bit 6
0
0
Bit 5
0
0
Bit 4
0
0
Bit 3
0
0
Bit 2
0
0
Bit 1
0
0
Bit 0
0
0
IOCC0
0x0C
/RESET and WDT
Wake-Up from Pin
Change
(CNT2PR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
Bit 7
0
0
Bit 6
0
0
Bit 5
0
0
Bit 4
0
0
Bit 3
0
0
Bit 2
0
0
Bit 1
0
0
Bit 0
0
0
IOCD0
0x0D
/RESET and WDT
Wake-Up from Pin
Change
(HPWTPR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
Bit 7
0
0
Bit 6
0
0
Bit 5
0
0
Bit 4
0
0
Bit 3
0
0
Bit 2
0
0
Bit 1
0
0
Bit 0
0
0
IOCE0
0x0E
/RESET and WDT
Wake-Up from Pin
Change
(LPWTPR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
ICIE
0
0
LPWTE HPWTE CNT2E CNT1E INT1E
INT0E
0
0
TCIE
0
0
0
0
0
0
0
0
0
0
0
0
IOCF0
0x0F
/RESET and WDT
Wake-Up from Pin
Change
(IMR)
P
P
P
P
P
P
P
P
Bit Name
Power-On
IROCS
0
0
X
U
U
X
U
U
X
U
U
/WUE8H /WUE8L /WUE6H /WUE6L
0
0
0
0
0
0
0
0
IOC61
0x06
/RESET and WDT
Wake-Up from Pin
Change
(WUCR)
P
U
U
U
P
P
P
P
INT_EDGE
Bit Name
Power-On
INT
0
0
TS
1
1
TE
1
1
PSRE TCCP2 TCCP1 TCCP0
1
1
1
1
1
1
1
1
1
1
IOC71
0x07
/RESET and WDT
Wake-Up from Pin
Change
(TCCCR)
P
P
P
P
P
P
P
P
32 •
Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
