Philips Semiconductors
8-bit microcontrollers for
remote control transmitters
CONTENTS
1
2
2.1
3
4
5
6
6.1
6.2
7
8
8.1
8.2
8.3
9
9.1
9.2
10
11
12
13
14
15
16
17
17.1
17.2
18
19
FEATURES
GENERAL DESCRIPTION
Important note
MEMORY AND I/O CONFIGURATIONS
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING INFORMATION
Pinning
Pin description
POWER-ON-RESET STATUS AND PORT
OPTIONS
HARDWARE MODULATOR
Interface between the 84CXXX core and
derivative logic
Instructions for data transfer between the
84CXXX core and derivative logic
Operation of the Hardware Modulator
INTERRUPTS
Internal timer/counter
External keypad wake-up and T0/INT pin
OUTPUT DRIVER
WATCHDOG TIMER (WDT)
LIMITING VALUES
DC CHARACTERISTICS
AC CHARACTERISTICS
APPLICATION INFORMATION
PACKAGE OUTLINES
SOLDERING
Plastic small outline packages
Plastic dual in-line packages
DEFINITIONS
LIFE SUPPORT APPLICATIONS
Product speciļ¬cation
PCA84C122; 222; 422; 622; 822
1995 May 01
2
