參數(shù)資料
型號(hào)： 38D5
廠商： Renesas Technology Corp.
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁數(shù)： 26/141頁
文件大?。?/td> 2027K
代理商： 38D5
Rev.3.01
REJ03B0158-0301
Aug 08, 2007
Page 26 of 134
38D5 Group
Table 10
Termination of unused pins
Pin
Termination 1
Termination 2
Termination 3
P0
0
/SEG
8
P0
7
/SEG
15
P1
0
/SEG
16
P1
7
/SEG
23
P2
0
/SEG
0
P2
7
/SEG
7
P3
0
/SEG
24
P3
7
/SEG
31
P4
0
/R
X
D
I/O port
When selecting SEG output, open.
When selecting RxD function, perform
termination of input port.
When selecting TxD function, perform
termination of output port.
When selecting external clock input,
perform termination of input port.
When selecting S
RDY1
function, perform
termination of output port.
When selecting S
IN2
function, perform
termination of input port.
When selecting S
OUT2
function, perform
termination of output port.
When selecting external clock input,
perform termination of output port.
When selecting S
RDY2
function, perform
termination of output port.
When selecting AN function, these pins
can be opened. (A/D conversion result
cannot be guaranteed.)
P4
1
/T
X
D
P4
2
/S
CLK1
When selecting internal clock output,
perform termination of output port.
P4
3
/S
RDY1
P4
4
/S
IN2
/(KW
0
)
P4
5
/S
OUT2
/(KW
1
)
P4
6
/S
CLK2
/(KW
2
)
When selecting internal clock output,
perform termination of output port.
P4
7
/S
RDY2
/(KW
3
)
P5
0
/AN
0
/RTP
0
P5
1
/AN
1
/RTP
1
P5
2
/AN
2
P5
6
/AN
6
P5
7
/AN
7
/ADKEY
0
When selecting RTP
function
,
perform termination of output port.
When selecting ADKEY function,
pull-up this pin through a resistor.
P6
0
/X
CIN
P6
1
/X
COUT
P6
2
/INT
00
/(LED
0
)
Do not select X
CIN
X
COUT
oscillation
function by program.
When selecting INT function,
perform termination of input port.
When selecting T
XOUT
function, perform
termination of output port.
When selecting INT function,
perform termination of input port.
When selecting T
XOUT
function, perform
termination of output port.
When selecting CNTR input function or INT
function, perform termination of input port.
When selecting CNTR input function,
perform termination of input port.
When selecting INT function, disable the voltage
multiplier, and connect to V
SS
through a resistor.
When selecting T
2OUT
function or CKOUT
function, perform termination of output port.
When selecting PWM, T
3OUT
, or T
4OUT
function, perform termination of output port.
Set the V
L3
connect bit to “0” and leave the
V
L3
pin open.
P6
3
/T
XOUT2
/(LED
1
)
P6
4
/INT
2
/(LED
2
)
P6
5
/T
XOUT1
/(LED
3
)
P6
6
/INT
10
/CNTR
0
/
(LED
4
)
P6
7
/CNTR
1
/(LED
5
)
P7
0
/C
1
/INT
01
P7
1
/C
2
/INT
11
P7
2
/T
2OUT
/CKOUT
Disable the voltage multiplier, and
connect to V
SS
through a resistor.
I/O port
P7
3
/PWM
0
/T
3OUT
P7
4
/PWM
1
/T
4OUT
V
L3
Set the V
L3
connect bit to “1” and
apply a Vcc level voltage to V
L3
pin.
V
L2
V
L1
COM
0
COM
3
COM
4
/SEG
35
COM
7
/SEG
32
V
REF
X
IN
V
L3
≥
V
L2
≥
V
L1
Connect to V
SS
Open
Open
Connect to V
CC
When only on-chip oscillator is used,
connect to V
CC
through a resistor.
When external clock is input or when
only on-chip oscillator is used, open.
X
OUT
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