DS00097D-page x
1997 Microchip Technology Inc.
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SECTION 25. LCD 25-1
Introduction .....................................................................................................................................................25-2
Control Register .............................................................................................................................................25-3
LCD Timing ....................................................................................................................................................25-6
LCD Interrupts ..............................................................................................................................................25-12
Pixel Control .................................................................................................................................................25-13
Voltage Generation ......................................................................................................................................25-15
Operation During Sleep ................................................................................................................................25-16
Effects of a Reset .........................................................................................................................................25-17
Configuring the LCD Module ........................................................................................................................25-17
Discrimination Ratio .....................................................................................................................................25-18
LCD Voltage Generation ..............................................................................................................................25-20
Contrast ........................................................................................................................................................25-22
LCD Glass ....................................................................................................................................................25-22
Initialization ...................................................................................................................................................25-23
Design Tips ..................................................................................................................................................25-24
Related Application Notes ............................................................................................................................25-25
Revision History ...........................................................................................................................................25-26
SECTION 26. WATCHDOG TIMER AND SLEEP MODE 26-1
Introduction .....................................................................................................................................................26-2
Control Register .............................................................................................................................................26-3
Watchdog Timer (WDT) Operation .................................................................................................................26-4
SLEEP (Power-Down) Mode ..........................................................................................................................26-7
Initialization .....................................................................................................................................................26-9
Design Tips ..................................................................................................................................................26-10
Related Application Notes ............................................................................................................................26-11
Revision History ...........................................................................................................................................26-12
SECTION 27. DEVICE CONFIGURATION BITS 27-1
Introduction .....................................................................................................................................................27-2
Configuration Word Bits .................................................................................................................................27-4
Program Verification/Code Protection ............................................................................................................27-8
ID Locations ...................................................................................................................................................27-9
Design Tips ..................................................................................................................................................27-10
Related Application Notes ............................................................................................................................27-11
Revision History ...........................................................................................................................................27-12
SECTION 28. IN-CIRCUIT SERIAL PROGRAMMING™ 28-1
Introduction .....................................................................................................................................................28-2
Entering In-Circuit Serial Programming Mode ................................................................................................28-3
Application Circuit ...........................................................................................................................................28-4
Programmer ...................................................................................................................................................28-6
Programming Environment .............................................................................................................................28-6
Other Benefits ................................................................................................................................................28-7
Field Programming of PICmicro OTP MCUs ..................................................................................................28-8
Field Programming of FLASH PICmicros .....................................................................................................28-10
Design Tips ..................................................................................................................................................28-12
Related Application Notes ............................................................................................................................28-13
Revision History ...........................................................................................................................................28-14
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