EM78468
8-BIT Microcontroller
Address Name
Reset Type
Bit 7
Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit Name
Power-On
R67
1
R66
1
R65
1
R64
1
R63
1
R62
1
R61
1
R60
1
R6
0x06
/RESET and WDT
Wake-Up from Pin
Change
1
1
1
1
1
1
1
1
(PORT6)
P
P
P
P
P
P
P
P
Bit Name
Power-On
R77
1
1
R76
1
1
R75
1
1
R74
1
1
R73
1
1
R62
1
1
R71
1
1
R70
1
1
R7
0x7
0x8
0x9
0xA
/RESET and WDT
Wake-Up from Pin
Change
(PORT7)
P
P
P
P
P
P
P
P
Bit Name
Power-On
R87
1
1
R86
1
1
R85
1
1
R84
1
1
R83
1
1
R82
1
1
R81
1
1
R80
1
1
R8
/RESET and WDT
Wake-Up from Pin
Change
(PORT8)
P
P
P
P
P
P
P
P
LCDTYPE
Bit Name
Power-On
BS
1
1
DS1
1
1
DS0
0
0
LCDEN
X
U
U
LCDF1 LCDF0
0
0
0
0
0
0
0
0
R9
/RESET and WDT
Wake-Up from Pin
Change
(LCDCR)
P
P
P
P
U
P
P
P
Bit Name
Power-On
X
0
0
X
0
0
X
0
0
LCD_A4 LCD_A3 LCD_A2 LCD_A1 LCD_A0
0
0
0
0
0
0
0
0
0
0
RA
/RESET and WDT
Wake-Up from Pin
Change
(LCD_ADDR)
P
P
P
P
P
P
P
P
LCD_D
Bit Name
X
X
X
X
LCD_D 3 LCD_D 2 LCD_D 1
0
U
P
RB
Power-On
/RESET and WDT
Wake-Up from Pin
Change
U
U
U
U
U
U
U
U
U
P
U
P
U
P
0xB
(LCD_DB)
U
U
U
U
P
P
P
P
LPWTEN HPWTEN
Bit Name
Power-On
X
0
0
X
1
1
X
0
0
X
0
0
CNT2EN CNT1EN
0
0
0
0
0
0
0
RC
0xC
0xD
0xE
0xF
/RESET and WDT
Wake-Up from Pin
Change
0
(CNTER)
P
P
0
P
P
P
P
P
Bit Name
Power-On
X
U
U
CLK2
0
0
CLK1
0
0
CLK0
0
0
IDLE
1
1
BF1
0
0
BF0
0
0
CPUS
*1
*1
RD
/RESET and WDT
Wake-Up from Pin
Change
(SBPCR)
U
P
P
P
P
P
P
P
Bit Name
Power-On
IRE
0
0
HF
0
0
LGP
0
0
X
U
U
IROUTE TCCE
EINT1
0
0
EINT0
0
0
0
0
0
0
RE
/RESET and WDT
Wake-Up from Pin
Change
(IRCR)
P
P
P
U
P
P
P
P
Bit Name
Power-On
ICIF
0
0
LPWTF HPWTF CNT2F CNT1F INT1F
INT0F
0
0
TCIF
0
0
0
0
0
0
0
0
0
0
0
0
RF
/RESET and WDT
Wake-Up from Pin
Change
(ISR)
N
P
P
P
P
P
P
P
Bit Name
Power-On
Bit 7
U
P
Bit 6
U
P
Bit 5
U
P
Bit 4
U
P
Bit 3
U
P
Bit 2
U
P
Bit 1
U
P
Bit 0
U
P
0x10~0x3F R10~R3F
/RESET and WDT
Wake-Up from Pin
Change
P
P
P
P
P
P
P
P
X: not used. U: unknown or don’t care. P: previous value before reset. –: Not defined
t : check R3 register explain. N: Monitors interrupt operation status.
Note 1: This bit is equal to code option HLFS bit data
34 •
Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
