M16C/62P Group (M16C/62P, M16C/62PT)
21. Programmable I/O Ports
Rev.2.41
Jan 10, 2006
Page 257 of 390
REJ09B0185-0241
Figure 21.1
I/O Ports (1)
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
Data bus
(NOTE 1)
Analog input
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_0 to P11_7
(2)
,
P12_0 to P12_7
(2)
,
P13_0 to P13_7
(2)
,
P14_0, P14_1
(2)
(inside dotted-line
included)
(inside dotted-line
not included)
“1”
Output
Data bus
Data bus
Data bus
Pull-up selection
Direction register
Direction register
Direction register
Direction
register
Port latch
Port latch
Port latch
Port latch
Pull-up selection
Pull-up selection
Pull-up selection
(NOTE 1)
(NOTE 1)
(NOTE 1)
Port P1 control register
Port P1 control register
Input to respective peripheral functions
Input to respective peripheral functions
NOTES:
1. Symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed VCC.
VCC: VCC1 for the port P6 to P11 and P14, and VCC2 for the port P0 to P5 and P12 to P13.
2. Available in only the 128-pin version.
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