M16C6N4 Datasheet, PDF (258/406 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

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M16C/6N Group (M16C/6N4)
P0_0 to P0 _7
P2_0 to P2_7
(inside dotted-line
included)
P3_0 to P3_7
P4_0 to P4_7
P5_0 to P5_4, P5_6
Data bus
(inside dotted-line
not included)
Pull-up selection
Direction register
Port latch
P1_0 to P1 _4
Analog input
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
20. Programmable I/O Ports
(NOTE 1)
(NOTE 1)
P1_5 to P1 _7
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
(NOTE 1)
P5_7
P6_0, P6_4,
P7_3 to P7_6
P8_0, P8_1
P9_0, P9_2
Input to respective peripheral functions
Pull-up selection
Direction
register
"1"
Data bus
Port latch
Output
(NOTE 1)
Figure 20.1 I/O Ports (1)
Input to respective peripheral functions
NOTE:
1.
Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
Rev.2.30 Oct 24, 2005 page 240 of 376
REJ09B0009-0230