M16C6N4 Datasheet, PDF (259/406 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

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M16C/6N Group (M16C/6N4)
P6_1, P6_5
P7_2
Data bus
Pull-up selection
Direction
register
"1"
Port latch
Output
Switching
between
CMOS and
Nch
Input to respective peripheral functions
P8_2 to P8_4
Pull-up selection
Direction register
Data bus
Port latch
20. Programmable I/O Ports
(NOTE 1)
(NOTE 1)
P5_5
P7_7
P9_7
Input to respective peripheral functions
Pull-up selection
Direction register
Data bus
Port latch
(NOTE 1)
Input to respective peripheral functions
NOTE:
1.
Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
Figure 20.2 I/O Ports (2)
Rev.2.30 Oct 24, 2005 page 241 of 376
REJ09B0009-0230