Rev.3.04
May 20, 2008
REJ03B0158-0304
38D5 Group
Table 10
Termination of unused pins
Pin
Termination 1
Termination 2
Termination 3
P00/SEG8
P07/SEG15 I/O port
When selecting SEG output, open.
P10/SEG16
P17/SEG23
P20/SEG0/(KW4)
P27/SEG7
P30/SEG24
P37/SEG31
P40/RXD
When selecting RxD function, perform
termination of input port.
P41/TXD
When selecting TxD function, perform
termination of output port.
P42/SCLK1
When selecting external clock input,
perform termination of input port.
When selecting internal clock output,
perform termination of output port.
P43/SRDY1
When selecting SRDY1 function, perform
termination of output port.
P44/SIN2/(KW0)
When selecting SIN2 function, perform
termination of input port.
P45/SOUT2/(KW1)
When selecting SOUT2 function, perform
termination of output port.
P46/SCLK2/(KW2)
When selecting external clock input,
perform termination of output port.
When selecting internal clock output,
perform termination of output port.
P47/SRDY2/(KW3)
When selecting SRDY2 function, perform
termination of output port.
P50/AN0/RTP0
P51/AN1/RTP1
When selecting AN function, these pins
can be opened. (A/D conversion result
cannot be guaranteed.)
When selecting RTP function,
perform termination of output port.
P52/AN2
P56/AN6
P57/AN7/ADKEY0
When selecting ADKEY function,
pull-up this pin through a resistor.
P60/XCIN
P61/XCOUT
Do not select XCIN
XCOUT oscillation
function by program.
P62/INT00/(LED0)
When selecting INT function,
perform termination of input port.
P63/TXOUT2/(LED1)
When selecting TXOUT function, perform
termination of output port.
P64/INT2/(LED2)
When selecting INT function,
perform termination of input port.
P65/TXOUT1/(LED3)
When selecting TXOUT function, perform
termination of output port.
P66/INT10/CNTR0/
(LED4)
When selecting CNTR input function or INT
function, perform termination of input port.
P67/CNTR1/(LED5)
When selecting CNTR input function,
perform termination of input port.
P70/C1/INT01
P71/C2/INT11
Disable the voltage multiplier, and
connect to VSS through a resistor.
When selecting INT function, disable the voltage
multiplier, and connect to VSS through a resistor.
P72/T2OUT/CKOUT
I/O port
When selecting T2OUT function or CKOUT
function, perform termination of output port.
P73/PWM0/T3OUT
P74/PWM1/T4OUT
When selecting PWM, T3OUT, or T4OUT
function, perform termination of output port.
VL3
Set the VL3 connect bit to “1” and
apply a Vcc level voltage to VL3 pin.
Set the VL3 connect bit to “0” and leave the
VL3 pin open.
VL2
VL3 ≥ VL2 ≥ VL1
VL1
Connect to VSS
COM0
COM3
Open
COM4/SEG35
COM7/SEG32
Open
VREF
Connect to VCC
XIN
When only on-chip oscillator is used,
connect to VCC through a resistor.
XOUT
When external clock is input or when
only on-chip oscillator is used, open.