![background image](http://html.mh-extra.com/html/texas-instruments/tms3637/tms3637_data-manual_1097085048.webp)
6–16
D C
B A SER
IN
QH
LD
CLK
E F G H
74HC165
5 V
U9
INH
D C B A SER
IN
LD
CLK
74HC164
U10
INH
H G F E
QH
D C B A SER
IN
LD
CLK
74HC165
U11
INH
H G F E
QH
SW1
SW2
Ω
10 k
QD
QC
QB
QA
2R
2S
1S2
1R
1S1
4R
4S
3S2
3R
3S1
U1
74LS279
R1
Ω
1 k
14
15
1
2
3
5
6
10
11
12
4
7
9
13
SW5
SPST Momentary
Push to Program
GND
(A1)
(B1)
(A6)
5 V
CK
CLR
D
Q
74HC74
U2A
Q
Q
A
B
0.22
µ
F
5 V
74LS123
CEXT
CEXT
U5
REXT/
CLR
74LS04
U4 B
4
3
(B8)
(B7)
4Q
PR
Q
0.47
µ
F
C4
Ω
75 k
R7
C3
TRIG
RSET
DSCH
THRES
CON
OUT
U8
TLC555I
R3
Ω
2.2 k
5 V
R4
Ω
7.5 k
0.01
µ
F
C1
0.1
µ
F
C2
Ω
10 k
R5
5 V
1
µ
F
C6
74HC21
U3 A
Ω
3.9 k
R6
SN74ALS04
U4 A
Q
8 kHz
QH
QH
QH
(A9), (B9)
Ω
10 k
R12–R15
RN1
Ω
10 k
RN2
SW3
UP
DN
UP
DN
UP
DN
C1–C22 Security
Code (22 Bits)
CA–CI Conf.
Code (9 Bits)
C
1
C
2
C
3
C
4
C
5
C
6
C
7
C
8
C
9
C
10
C
11
C
12
C
13
C
14
C
15
C
16
C
17
C
18
C
19
C
20
C
21
C
22
C
A
C
B
†
†
†
† Notch in lower left corner of dip switches. Up is open = 1, down is closed = 0. All the chips are bypassed with 0.1-mF (C7 – C20) ceramic
capacitors.
Figure 6–9. Programming Station
Summary of Contents for TMS3637
Page 1: ...i TMS3637 Remote Control Transmitter Receiver Data Manual SCTS037B JUNE 1997 ...
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