Port Control Register (Pcr) - Renesas M16C/64C User Manual

M16C/64C Group

14.2.10 Port Control Register (PCR)

Port Control Register
b7 b6 b5 b4 b3 b2 b1
0
PCR5 (INT6 input enable bit) (b5)
To use the AN2_4 pin as an analog input pin, set the PCR5 bit to 1 ( INT6 input disabled).
PCR6 (INT7 input enable bit) (b6)
To use the AN2_5 pin as an analog input pin, set the PCR6 bit to 1 ( INT7 input disabled).
PCR7 (Key input enable bit) (b7)
To use pins AN4 to AN7 as analog input pins, set the PCR7 bit to 1 (key input disabled).
R01UH0092EJ0110 Rev.1.10
Jul 31, 2012
b0 Symbol
PCR
Bit Symbol Bit Name
PCR0 Port P1 control bit
—
No register bits. If necessary, set to 0. The read value is undefined.
(b2-b1)
—
Reserved bit
(b3)
PCR4 CEC output enable bit
PCR5 INT6 input enable bit
PCR6 INT7 input enable bit
PCR7 Key input enable bit
Address
0366h
Function
Operation performed when the P1 register is
read
0 : When the port is set to input, the input
levels of pins P1_0 to P1_7 are read.
When set to output, the port latch is read.
1 : The port latch is read regardless of
whether the port is set to input or output.
Set to 0.
0 : CEC output disabled
1 : CEC output enabled
0 : Enabled
1 : Disabled
0 : Enabled
1 : Disabled
0 : Enabled
1 : Disabled
14. Interrupts
Reset Value
0000 0XX0b
RW
RW
—
RW
RW
RW
RW
RW
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