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EM78P809N
8-Bit Microcontroller
22 •
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
Bit 3 ~ 0 ( /PHE63 ~ /PHE60 ) : bit 3 ~ 0 of Port 6 Pull high enable bit
/PHE6x = “0” : Enable P6x pull high
/PHE6x = “1” : Disable P6x pull high
PLC1 (Pull Low Control Register 1 ( Address : 0Bh )
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
- - /PLE81 /PLE80 /PLE63 /PLE62 /PLE61 /PLE60
Bit 5 ~ 4 ( /PLE81 ~ /PLE80 ) : bits 1, 0 of Port 8 Pull low enable bit
/PLE8x = “0” : Enable P8x pull low
/PLE8x = “1” : Disable P8x pull low
Bit 3 ~ 0 ( /PLE63 ~ /PLE60 ) : bits 3 ~ 0 of Port 6 Pull low enable bit
/PLE6x = “0” : Enable P6x pull low
/PLE6x = “1” : Disable P6x pull low
PHC2 − Pull High Control Register 2 ( Address: 0Ch )
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
- - - - /PHE73 /PHE72 /PHE71 /PHE70
Bit 3 ~ 0 ( /PHE73 ~ /PHE70 ) : bits 3 ~ 0 of Port 7 Pull high enable bit
/PHE7x = “0” : Enable P7x pull high
/PHE7x = “1” : Disable P7x pull high
PLC2 − Pull Low Control 2 ( Address: 0Dh )
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
- - - - /PLE73 /PLE72 /PLE71 /PLE70
Bit 3 ~ 0 ( /PLE73 ~ /PLE70 ) : bits 3 ~ 0 of Port 7 Pull low enable bit
/PLE7x = “0” : Enable P7x pull low
/PLE7x = “1” : Disable P7x pull low
R10~R1F and R20~R3F (including Banks 0~3) are General Purpose Register