CP80S54E ETC2 [List of Unclassifed Manufacturers], CP80S54E Datasheet - Page 12

• Manufacturer Part Number: CP80S54E
• Description: EPROM/ROM-Based 8-Bit Microcontroller Series
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

2.1.11 ODCON (Open-drain Control Register)
ODB0 : = 0, Disable the internal open-drain of IOB0 pin.
ODB1 : = 0, Disable the internal open-drain of IOB1 pin.
ODB2 : = 0, Disable the internal open-drain of IOB2 pin.
ODB3 : = 0, Disable the internal open-drain of IOB3 pin.
ODB4 : = 0, Disable the internal open-drain of IOB4 pin.
ODB5 : = 0, Disable the internal open-drain of IOB5 pin.
ODB6 : = 0, Disable the internal open-drain of IOB6 pin.
ODB7 : = 0, Disable the internal open-drain of IOB7 pin.
2.1.12 PHCON (Pull-high Control Register)
/PHB0 : = 0, Enable the internal pull-high of IOB0 pin.
/PHB1 : = 0, Enable the internal pull-high of IOB1 pin.
/PHB2 : = 0, Enable the internal pull-high of IOB2 pin.
/PHB3 : = 0, Enable the internal pull-high of IOB3 pin.
/PHB4 : = 0, Enable the internal pull-high of IOB4 pin.
/PHB5 : = 0, Enable the internal pull-high of IOB5 pin.
/PHB6 : = 0, Enable the internal pull-high of IOB6 pin.
0Ch (r/w)
0Dh (r/w)
Address
Address
= 1, Enable the internal open-drain of IOB0 pin.
= 1, Enable the internal open-drain of IOB1 pin.
= 1, Enable the internal open-drain of IOB2 pin.
= 1, Enable the internal open-drain of IOB3 pin.
= 1, Enable the internal open-drain of IOB4 pin.
= 1, Enable the internal open-drain of IOB5 pin.
= 1, Enable the internal open-drain of IOB6 pin.
= 1, Enable the internal open-drain of IOB7 pin.
= 1, Disable the internal pull-high of IOB0 pin.
= 1, Disable the internal pull-high of IOB1 pin.
= 1, Disable the internal pull-high of IOB2 pin.
= 1, Disable the internal pull-high of IOB3 pin.
= 1, Disable the internal pull-high of IOB4 pin.
= 1, Disable the internal pull-high of IOB5 pin.
= 1, Disable the internal pull-high of IOB6 pin.
ODCON
PHCON
Name
Name
/PHB7
ODB7
B7
B7
/PHB6
ODB6
B6
B6
/PHB5
ODB5
B5
B5
/PHB4
ODB4
B4
B4
/PHB3
ODB3
B3
B3
CP80S54/56
/PHB2
ODB2
B2
B2
/PHB1
ODB1
Rev0.1 Nov 30, 2005
B1
B1
P.12/CP80S54/S56
/PHB0
ODB0
B0
B0