M16C6K7 Datasheet, PDF (233/285 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 2
b7 b6 b5 b4 b3 b2 b1 b0
0 00 0 0 0
Symbol
PCR2
Bit symbol
Reserved bit
Address
02FF16
Bit name
When reset
0016
Function
Must be set to "0"
Reserved bit
Must be set to "0"
Reserved bit
Reserved bit
Must be set to "0"
Must be set to "0"
Reserved bit
Must be set to "0"
Reserved bit
Must be set to "0"
PCR26
Drive polarity selection bit ^{0 : Low side}
(P140 to P143)
1 : High side
Nothing is assigned.
Can't write to this bit. The value, if read, turns out to be “0”.
RW
Port control register 3
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PCR3
Address
02F716
When reset
0016
Bit symbol
PCR30
PCR31
PCR32
Bit name
Output type selection bit
(P140 - P143)
Output type selection bit
(P144 - P147)
Output type selection bit
(P42)
Function
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
0 : CMOS
1 : N-channel open drain
Nothing is assigned.
Can't write to this bit. The value, if read, turns out to be “0”.
RW
Fig.UA-12 Port control register 2, 3
232