R01UH0092EJ0110 Rev.1.10
Page 182 of 807
Jul 31, 2012
M16C/64C Group
13. Programmable I/O Ports
13.3.4
PCR0 (Port P1 control bit) (b0)
When the P1 register is read after the PCR0 bit is set to 1, the corresponding port latch is read
regardless of the PD1 register setting.
b7
0
b6 b5 b4
b1
b2
b3
Port Control Register
Symbol
PCR
Address
0366h
Bit Symbol
RW
Reset Value
0000 0XX0b
b0
Bit Name
Function
PCR0
RW
No register bits. If necessary, set to 0. The read value is undefined.
—
(b2-b1)
—
PCR5
RW
PCR6
RW
PCR7
RW
INT6 input enable bit
INT7 input enable bit
Key input enable bit
0 : Enabled
1 : Disabled
0 : Enabled
1 : Disabled
0 : Enabled
1 : Disabled
Port P1 control bit
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.
—
(b3)
RW
Reserved bit
Set to 0.
PCR4
RW
CEC output enable bit
0 : CEC output disabled
1 : CEC output enabled
Summary of Contents for M16C Series
Page 846: ...M16C 64C Group R01UH0092EJ0110...