LCD Type MCU
Special Function Registers ...........................................................................................37
Indirect Addressing Registers
-
IAR0, IAR1 ...........................................................37
Memory Pointers
-
MP0, MP1 ................................................................................38
Bank Pointer
-
BP ...................................................................................................39
Accumulator
-
ACC ................................................................................................39
Program Counter Low Register
-
PCL ...................................................................40
Look-up Table Registers
-
TBLP, TBHP, TBLH ......................................................40
Real Time Clock Control Register
-
RTCC ............................................................40
Status Register
-
STATUS ......................................................................................41
Interrupt Control Registers
-
INTC0, INTC1, MFIC ................................................42
Timer/Event Counter Registers ..............................................................................42
Input/Output Port Registers ....................................................................................43
UART Registers
-
USR, UCR1, UCR2, TXR/RXR, BRG .......................................43
Input/Output Ports .........................................................................................................43
Pull-high Resistors .................................................................................................44
Port A Wake-up ......................................................................................................44
Pin-shared Functions .............................................................................................44
Programming Considerations .................................................................................48
Liquid Crystal Display (LCD) Driver ..............................................................................49
LCD Memory ..........................................................................................................49
LCD Clock ..............................................................................................................50
LCD Driver Output ..................................................................................................51
LCD Voltage Source and Biasing ...........................................................................56
Programming Considerations .................................................................................58
Timer/Event Counters ...................................................................................................59
Configuring the Timer/Event Counter Input Clock Source .....................................59
Timer Registers
-
TMR, TMR0, TMR1, TMR1L/TMR1H, TMR2L/TMR2H .............61
Timer Control Registers
-
TMRC, TMR0C, TMR1C, TMR2C .................................62
Configuring the Timer Mode ...................................................................................64
Configuring the Event Counter Mode .....................................................................65
Configuring the Pulse Width Measurement Mode ..................................................65
Programmable Frequency Divider
-
PFD ..............................................................66
I/O Interfacing .........................................................................................................67
Programming Considerations .................................................................................67
Interrupts .......................................................................................................................68
Interrupt Registers ..................................................................................................68
Interrupt Priority ......................................................................................................73
External Interrupt ....................................................................................................74
Timer/Event Counter Interrupt ................................................................................74
Time Base Interrupt ................................................................................................75
Real Time Clock Interrupt .......................................................................................76
UART Interrupt ........................................................................................................77
Multi-Function Interrupt ...........................................................................................78
Programming Considerations .................................................................................78
Reset and Initialization ..................................................................................................79
Reset ......................................................................................................................79
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