Renesas M16C Series User Manual page 134

M30240 Group
Note: This is an example when the DC-DC converter is disabled
Figure 1.113: Example connection unused pins
Table 1.36: Example connection of unused pins in single-chip mode
Pin name
Ports P0 to P3, P6 to P8, P10
(excluding P8 , P8 , P8
3 5 6
X
OUT
NMI
AVcc
Avss, Vref, BYTE
USB D+, USB D-
EXTCAP
P8 /SOF
6
P8 /ATTACH
3
Rev.1.00 Sep 24, 2003 Page 116 of 360
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Port P0 to P3, P6-P8, P10
(except P8 3 , P8 5 , P8 6 )
(Input mode)
(Input mode)
(Output mode)
P8 3 /ATTACH
EXTCAP
After setting for input mode, connect every pin to Vss or Vcc via a resistor; or
)
after setting for output mode, leave these pins open
Open (When using external clock)
Connect via resistor to Vcc (pull-up)
Connect to Vcc
Connect to Vss
Open
Connect to Vcc (when DC-DC converter is disabled)
After setting for output mode in normal operation, leave this pin open
After setting for output mode in normal operation, leave this pin open
·
·
·
·
·
·
Open
Open
USB D+
Open
USB D-
NMI
Open
X
OUT
Open
P8 6 /SOF
Open
V
CC
AV
CC
(Note 1)
BYTE
AV
SS
V
REF
V
Connection
Programmable I/O Ports
SS