upd17240 Renesas Electronics Corporation., upd17240 Datasheet - Page 94

• Manufacturer Part Number: upd17240
• Description: 4-bit Single-chip Microcontrollers For Small General-purpose Infrared Remote Control Transmitters
• Manufacturer: Renesas Electronics Corporation.

15. APPLICATION CIRCUIT EXAMPLE
94
+
3 V
shuttle
=
Jog
4 MHz
µ PD17240, 17241, 17242, 17243, 17244, 17245, 17246
P1B
RESET
P0D
P0D
0
P0E
P0E
P0E
P0E
REM
GND
P1A
P1A
X
/INT
V
OUT
X
DD
IN
2
3
0
1
2
3
0
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Data Sheet U15002EJ1V1DS
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
P1A
P0D
P0D
P0C
P0C
P0C
P0C
P0B
P0B
P0B
P0B
P0A
P0A
P0A
P0A
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
Key matrix
8 × 9 = 72 keys