M16C6K9 Datasheet, PDF (237/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Port
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
Bit name
Function
PCR30
Output type selection bit
(P140 to P143)
0 : CMOS
1 : N-channel open drain
PCR31
PCR32
Output type selection bit
(P144 to P147)
Output type selection bit
(P42)
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-13 Port control register 2, 3
Rev.1.00 Jun 06, 2003 page 237 of 290