M16C65 Datasheet, PDF (244/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
13.3.5 Port Control Register (PCR)
13. Programmable I/O Ports
Port Control Register
b7 b6 b5 b4 b3 b2 b1 b0
0
Symbol
PCR
Address
0366h
After Reset
0000 0XX0b
Bit Symbol
Bit Name
Function
RW
PCR0 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.
RW
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.
—
(b2-b1)
No register bits. If necessary, set to 0. Read as undefined
—
—
(b3)
Reserved bit
Set to 0
RW
PCR4 CEC output enable bit
0 : CEC output disabled
1 : CEC output enabled
RW
PCR5 INT6 input enable bit
0 : Enabled
1 : Disabled
RW
PCR6 INT7 input enable bit
0 : Enabled
1 : Disabled
RW
PCR7 Key input enable bit
0 : Enabled
1 : Disabled
RW
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.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
Page 209 of 791