UPD6600A NEC, UPD6600A Datasheet - Page 22

• Manufacturer Part Number: UPD6600A
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC

22
21. APPLICATION CIRCUIT EXAMPLE
Caution
2SC3616, 3618
2SD1615, 1616
2SC2001
Infrared LED
The ceramic resonator start up capacitor value must be determined, by taking the voltage level and
the oscillation start up characteristics for the ceramic resonator into consideration.
V
DD
SE303 series
SE313
SE307-C
SE1003-C
47 F
V
+
DD
3.0 V
Transmission
indication
100 pF
100 pF
0.1 F
10
1
2
3
4
5
6
7
8
9
K
K
S-IN
S-OUT
REM
V
OSC-OUT
OSC-IN
V
AC
I/O1
I/O0
DD
SS
PD6124A
PD6600A
K
K
K
K
K
K
K
K
K
K
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I0
I1
I2
I3
20
19
18
17
16
15
14
13
12
11
Key matrix
PD6124A, 6600A
Mode select switch