M16C6K9 Datasheet, PDF (226/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Port
P00 to P07
P110 to P117
Pull-up selection
Direction register
Data bus
Output formality
selection bit
Port latch
(Note)
P12, P16
P140 to P147
Pull-up selection
Direction register
Data bus
Output formality
selection bit
Port latch
P13, P43 to P46
Data bus
Input respective peripheral function
Pull-up selection
Direction register
"1"
Output formality
selection bit
Port latch
Output
(Note)
(Note)
P10, P11, P14, P15, P17
P40 to P42
Data bus
Pull-up selection
Direction register
"1"
Output formality
selection bit
Port latch
Output
(Note)
Fig.UA-1 Programmable I/O ports (1)
Input respective peripheral function
(Note)
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc each port.
Rev.1.00 Jun 06, 2003 page 226 of 290