gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 184

• Manufacturer Part Number: gc80c520a
• Description: Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

15.42 Port 0 Pull-up Control Register (P0SEL)
This register enables/disables the internal pull-up resistors in Port 0.
0: The internal pull-up resistors in Port 0 are ON.
1: The internal pull-up resistors in Port 0 are OFF.
15.43 Port 1 Pull-up Control Register (P1SEL)
This register enables/disables the internal pull-up resistors in Port 1.
0: The internal pull-up resistors in Port 1 are ON.
1: The internal pull-up resistors in Port 1 are OFF.
15.44 Port 2 Pull-up Control Register (P2SEL)
This register enables/disables the internal pull-up resistors in Port 2.
0: The internal pull-up resistors in Port 2 are ON.
1: The internal pull-up resistors in Port 2 are OFF.
Bit No.
Bit No.
Bit No.
E6h
E4h
E5h
PWM0
P2SEL.7
R/W(0)
P0SEL.7
P1SEL.7
R/W(1)
R/W(0)
7
7
7
PWM0 Output Selection Enable.
0: Disables the PWM0 output to Port 0.1.
1: Enables the PWM0 output to Port 0.1.
P2SEL.6
P0SEL.6
P1SEL.6
R/W(0)
R/W(1)
R/W(0)
6
6
6
P2SEL.5
P0SEL.5
P1SEL.5
R/W(0)
R/W(1)
R/W(0)
5
5
5
P2SEL.4
P0SEL.4
P1SEL.4
R/W(1)
R/W(0)
R/W(0)
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4
4
4
P0SEL.3
P1SEL.3
P2SEL.3
R/W(1)
R/W(0)
R/W(0)
3
3
3
P0SEL.2
P1SEL.2
P2SEL.2
R/W(1)
R/W(0)
R/W(0)
2
2
2
Appendix B: SFR description
P0SEL.1
P1SEL.1
P2SEL.1
R/W(1)
R/W(0)
R/W(0)
1
1
1
P0SEL.0
P1SEL.0
R/W(1)
R/W(0)
P2SEL.0
R/W(0)
0
0
0
P0SEL
P1SEL
P2SEL