73M2910L データシートの表示（PDF） - TDK Corporation
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73M2910L Datasheet PDF : 35 Pages
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73M2910L
Microcontroller
ELECTRICAL SPECIFICATIONS (continued)
VCC
R32
2.4K
R33
2.4K
R39
2.4K
R34
2.4K
R35
2.4K
R36
2.4K
R37
2.4K
R38
2.4K
TR
D6
MR
D7
TD
D8
RD
D9
CD
D10
AA
D11
OH
D12
HS
P1
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
EXCLK
RATE
RI
DCD
DTR
DSR
CTS
RXCLK
RTS
RXD
TXCLK
TXD
GND
CONNECTOR DB25
NOTE: 1 µF TANTALUMS
U8
C13
1 µF
21 C1+
23
1 µF
24
C1-
C2+
25 C2-
C14
1
2
3
TA1OUT
TA2OUT
4
TA3OUT
TA4OUT
8
7
6
5
RA1IN
RA2IN
RA3IN
RA4IN
44
43
42
TB1OUT
TB2OUT
41 TB3OUT
TB4OUT
37
38 RB1IN
39
40
RB2IN
RB3IN
RB4IN
MAX248
VCC
V+
V-
GND
ENTA
TA1IN
TA2IN
TA3IN
TA4IN
ENRA
RA1OUT
RA2OUT
RA3OUT
RA4OUT
ENT
TB1IN
TB2IN
TB3IN
TB4IN
ENR
RB1OUT
RB2OUT
RB3OUT
RB4OUT
VCC
20
22
C15
1 µF
26
C16
1 µF
19
18
14
GND
15
16
17
9
10
GND
11
12
13
27
31
GND
30
29
28
36
35
VCC
34
33
32
FIGURE 14: Display and User Interface
34
TR
MR
CD
AA
OH
HS
RI
DCD
CTS
RXD
EXCLK
DTR
RTS
TXD
DSR
RXCLK
TXCLK
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