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参数资料
| 型号： | PCA84C122BT |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-bit microcontrollers for remote control transmitters |
| 中文描述： | 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO20 |
| 封装： | 7.50 MM, PLASTIC, SOT-163-1, SO-20 |
| 文件页数： | 22/24页 |
| 文件大小： | 142K |
| 代理商： | PCA84C122BT |
1995 May 01
7
Philips Semiconductors
Product specication
8-bit microcontrollers for
remote control transmitters
PCA84C122; 222; 422; 622; 822
6.2
Pin description
Table 1
Pin description for PCA84CX22AP, PCA84CX22AT, PCA84CX22BP, PCA84CX22BT and PCA84CX22CT
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.
SYMBOL
PIN
DESCRIPTION
SDIP24/SO24
(see Fig.3)
SO28
(see Fig.4)
SO20
(see Fig.5)
DIP20
(see Fig.6)
P00 to P07
3, 2, 23, 22,
10, 11, 14, 15
4, 3, 26, 25,
11, 12, 17, 18
2, 1, 20, 19, 9,
10, 11, 12
7, 6, 5, 4, 14,
15, 16, 17
standard I/O Port lines, generally
used for keypad scanning
P10 to P17
19, 18, 17, 16,
1, 22, 12, 13
22, 21, 20,19,
2, 27, 13, 16
16, 15, 14, 13
1, 20,19, 18
standard I/O Port lines, generally
used for keypad sensing
P20 to P23
14, 15, 1, 28
standard I/O Port lines, generally
used for visible LED’s
T0/INT
4538
test T0 and external interrupt input
T1
5649
test T1 input
RESET
67510
active HIGH reset;
normally connected to VSS.
For further information see
PCF84CXXXA description in
“Data Handbook IC14”.
XTAL1
9
10
8
13
crystal or ceramic resonator
XTAL2
89712
OUT
21
24
18
3
pulse train output pin, capable of
sinking 27 mA
VDD
78611
power supply
VSS
20
23
17
2
ground
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| PCA84C222 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
| PCA84C222A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
| PCA84C222AP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
| PCA84C222AT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
| PCA84C222B | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
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