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Rev.1.10 Jul 01, 2005 page 228 of 318
REJ09B0124-0110
M16C/6N Group (M16C/6NK, M16C/6NM) 19. Programmable I/O Ports
Under development
This document is under development and its contents are subject to change.
Figure19.1 I/O Ports (1)
NOTES:
1. Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
2. P11 to P14 are only in the 128-pin version.
Data bus
Analog input
Pull-up selection
Direction registe
r
Port latch
Data bus
Direction register
Port latch
Pull-up selection
Port P1 control register
Data bus
Direction register
Port latch
Pull-up selection
Port P1 control register
Input to respective peripheral functions
"1"
Output
Data bus
Direction
register
Port latch
Pull-up selection
Input to respective peripheral functions
(inside dotted-line
included)
(inside dotted-line
not included)
P0_0 to P0 _7
P2_0 to P2_7
P3_0 to P3_7
P4_0 to P4_7
P5_0 to P5_4, P5_6
P11_2 to P11_4, P11_6
(2)
P12_0 to P12_7
(2)
P13_0 toP13_4
(2)
P14_0, P14_1
(2)
P1_0 to P1 _4
P1_5 to P1 _7
P5_7
P6_0, P6_4,
P7_3 to P7_6
P8_0, P8_1
P9_0, P9_2
(NOTE 1)
(NOTE 1)
(NOTE 1)
(NOTE 1)