HT66F40 datasheet(6/244 Pages) HOLTEK

6 / 244 page

Power Down Mode and Wake-up ...................................................172

Entering the IDLE or SLEEP Mode .....................................................................172

Standby Current Considerations.........................................................................172

Wake-up .............................................................................................................172

Low Voltage Detector - LVD............................................................173

LVD Register ......................................................................................................173

LVD Operation....................................................................................................174

SCOM Function for LCD .................................................................174

LCD Operation ...................................................................................................174

LCD Bias Control................................................................................................174

Configuration Options ....................................................................177

Application Circuits ........................................................................178

UART Module Serial Interface ........................................................179

UART Module Features ......................................................................................179

UART Module Overview..................................................................179

UART Module Block Diagram.........................................................179

Pin Assignment ...............................................................................180

UART Module Pin Description .......................................................182

UART Module D.C. Characteristics................................................182

UART Module A.C. Characteristics................................................183

UART Module Functional Description...........................................184

UART Module Internal Signal .............................................................................184

UART Module SPI Interface ............................................................184

SPI Timing..........................................................................................................184

UART Module External Pin Interfacing..........................................185

UART Data Transfer Scheme .............................................................................185

UART Commands ..............................................................................................186

UART Status and Control Registers ...................................................................186

Baud Rate Generator .........................................................................................191

UART Module Setup and Control...................................................193

Managing Receiver Errors ..................................................................................196

UART Module Interrupt Structure ..................................................196

UART Module Power-down and Wake-up .....................................197

Using the UART Function...............................................................198

Application Circuit with UART Module..........................................199

Contents

Rev. 1.60

October 24, 2011

HT66F40 датащи(PDF) 6 Page - Holtek Semiconductor Inc