M16C6K7 Datasheet, PDF (232/285 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Rev.1.0
Port
Mitsubishi microcomputers
M16C / 6K7 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Port control register 0
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PCR0
Address
03FF16
Bit Symbol
Bit name
PCR00
Port P1 control register
When reset
0016
Function
RW
0 : When input port, read port
input level. When output port,
read the contents of port P1 register
1 : Read the contents of port P1
register though input/output port.
Nothing is assigned.
Can't write to this bit. The value, if read, turns out to be “0”.
Port control register 1
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PCR1
Address
02FE16
When reset
0016
Bit Symbol
PCR10
PCR11
PCR12
PCR13
PCR14
PCR15
PCR16
PCR17
Bit name
Output type selection bit
(P00 to P03)
Output type selection bit
(P04-P07)
Output type selection bit
(P10-P13)
Output type selection bit
(P14-P17)
Output type selection bit
(P40-P46)
Output type selection bit
(P110-P113)
Output type selection bit
(P114-P117)
P40,P43 output
clear function selection bit
Function
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : Cleared by software only
1 : Cleared by software or when
output buffer is read by host side.
RW
Fig.UA-11 Port control register 0, 1
231