em78p809n ELAN Microelectronics Corp, em78p809n Datasheet - Page 14

• Manufacturer Part Number: em78p809n
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

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