M16C26 Datasheet, PDF (170/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

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Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative
Programmable I/O Ports
and
subject to change.
SINGLE-CHIP 16-BIT
M16C/26 Group
CMOS MICROCOMPUTER
P15 to P17
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
(Note)
P60, P61, P64, P65,
P72 - P76, P80, P81
Input to respective peripheral functions
Pull-up selection
Direction
register
"1"
Data bus
Port latch
Output
(Note)
P62, P66, P77,
P90 to P92
Input to respective peripheral functions
Pull-up selection
Direction register
Data bus
Port latch
Input to respective peripheral functions
P100 to P103
(inside dotted-line not included)
P104 to P107
(inside dotted-line included)
Data bus
Pull-up selection
Direction register
Port latch
(Note)
(Note)
Analog input
Input to respective peripheral functions
Note :
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each port.
Figure 1.17.1. Programmable I/O ports (1)
164
Renesas Technology Corp.