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EM78P809N
8-Bit Microcontroller
10 •
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
PS2 PS1 PS0 Program Memory Page [Address]
0 0 0 Page 0 [0000~03FF]
0 0 1 Page 1 [0400~07FF]
0 1 0 Page 2 [0800~0BFF]
0 1 1 Page 3 [0C00~0FFF]
1 0 0 Page 4 [1000~13FF]
1 0 1 Page 5 [1400~17FF]
1 1 0 Page 6 [1800~1BFF]
1 1 1 Page 7 [1C00~1FFF]
Bit 1 ( SIS ) : SLEEP and IDLE mode select.
SIS = “0” : IDLE mode
SIS = “1” : SLEEP mode
Bit 0 ( REM ) : Release method for sleep mode.
REM = “0” : /SLEEP pin input rising edge release
REM = “1” : /SLEEP pin input “H” level release
PORT6 − Port 6 I/O Data Register ( Address: 06h )
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
P67 P66 P65 P64 P63 P62 P61 P60
Bit 7 ~ Bit 0 ( P67 ~ P60 ) : 8-bits Port 6 I/O data register
User can use IOC6 register to define each bit whether input or output.
PORT7 — Port 7 I/O Data Register ( Address: 07h )
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 0 0 0 P73 P72 P71 P70
Bit 3 ~ Bit 0 ( P73 ~ P70 ) : Port 73 ~ Port 70 I/O data register
User can use IOC7 register to define each bit whether input or output.
PORT8 − Port 8 I/O Data Register ( Address: 08h )
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 0 0 0 0 0 P81 P80
Bit 1 ~ Bit 0 ( P81 ~ P80 ) : Port 81 ~ Port 80 I/O data register
User can use IOC8 register to define input or output each bit.