PCA84C922AP PHILIPS [NXP Semiconductors], PCA84C922AP Datasheet - Page 2

• Manufacturer Part Number: PCA84C922AP
• Description: Microcontrollers for universal infrared remote transmitter applications
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
CONTENTS
1
2
3
4
5
5.1
5.2
6
6.1
6.2
6.3
7
7.1
7.2
7.3
7.4
7.5
7.6
8
8.1
9
10
11
11.1
11.2
11.3
12
13
14
15
16
17
18
18.1
18.2
18.3
19
20
1997 Oct 22
Microcontrollers for universal infrared
remote transmitter applications
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
BLOCK DIAGRAMS
PINNING INFORMATION
Pinning
Pin description
GENERAL OPERATION DESCRIPTION
System selection
Key scanning
Accessing command code
HARDWARE MODULATOR
ON-time Register
OFF-time Register
Pulse Timer
Pulse Counter
Hardware Modulator Control Register
(HMCTL)
Operation of the Hardware Modulator
CODING TABLE
Accessing the Coding Table
WATCHDOG TIMER (WDT)
PORT OPTIONS
INTERRUPTS
External keypad wake-up and T0/INT pin
interrupt
Hardware Modulator interrupt
Internal Timer/counter (T1) interrupt
DERIVATIVE REGISTERS
EMULATION
LIMITING VALUES
DC CHARACTERISTICS
AC CHARACTERISTICS
PACKAGE OUTLINES
SOLDERING
Introduction
SDIP
SO and VSO
DEFINITIONS
LIFE SUPPORT APPLICATIONS
2
PCA84C922; PCA84C923
Product specification