PCA84C822T データシートの表示（PDF） - Philips Electronics
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PCA84C822T Datasheet PDF : 24 Pages
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Philips Semiconductors
8-bit microcontrollers for
remote control transmitters
Product specification
PCA84C122; 222; 422; 622; 822
6.2 Pin description
Table 1 Pin description for PCA84CX22AP, PCA84CX22AT, PCA84CX22BP, PCA84CX22BT and PCA84CX22CT
SYMBOL
P00 to P07
P10 to P17
P20 to P23
SDIP24/SO24
(see Fig.3)
3, 2, 23, 22,
10, 11, 14, 15
19, 18, 17, 16,
1, 22, 12, 13
−
PIN
SO28
(see Fig.4)
SO20
(see Fig.5)
4, 3, 26, 25,
11, 12, 17, 18
22, 21, 20,19,
2, 27, 13, 16
14, 15, 1, 28
2, 1, 20, 19, 9,
10, 11, 12
16, 15, 14, 13
−
DIP20
(see Fig.6)
7, 6, 5, 4, 14,
15, 16, 17
1, 20,19, 18
−
T0/INT
4
5
3
8
T1
5
6
4
9
RESET
6
7
5
10
XTAL1
9
10
8
13
XTAL2
8
9
7
12
OUT
21
24
18
3
VDD
7
8
6
11
VSS
20
23
17
2
DESCRIPTION
standard I/O Port lines, generally
used for keypad scanning
standard I/O Port lines, generally
used for keypad sensing
standard I/O Port lines, generally
used for visible LED’s
test T0 and external interrupt input
test T1 input
active HIGH reset;
normally connected to VSS.
For further information see
PCF84CXXXA description in
“Data Handbook IC14”.
crystal or ceramic resonator
pulse train output pin, capable of
sinking 27 mA
power supply
ground
7 POWER-ON-RESET STATUS AND PORT OPTIONS
• All Port lines are standard I/O (option 1).
• RESET (Power-on-reset) level of 1.3 V.
After Power-on-reset, Port 0 is reset to LOW; Port 1, Port 2 and OUT are reset to HIGH.
1995 May 01
7
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