Contents
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
Rev. 1.50
6
March 15, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
