Contents
7.3 Special Function Registers ...............................................................................18
7.3.1 A (Accumulator).................................................................................................18
7.3.2 CONT (Control Register)...................................................................................18
7.3.3 IOC6 (Port 6 I/O Control, P6 Pin Switch Control) .............................................20
7.3.4 IOC7 (Port 7 I/O Control, Port 7 Pull-high Control)...........................................22
7.3.5 IOC9 (Port 9 I/O Control, Port 9 Switches) .......................................................23
7.3.6 IOCA (Port 9 PMS Switch Control)....................................................................23
7.3.7 IOCB (ADC Control)..........................................................................................23
7.3.8 IOCC (Port C I/O Control, ADC Control)...........................................................25
7.3.9 IOCD (Tone 1 Control, Clock Source, CN1 Prescaler) .....................................26
7.3.10 IOCE (Interrupt Mask).......................................................................................27
7.3.11 IOCF (Interrupt Mask) .......................................................................................28
7.4 Instruction Set...................................................................................................30
7.5 Code Option Register .......................................................................................32
7.6 I/O Port..............................................................................................................33
7.6.1 I/O Structure ......................................................................................................33
7.6.2 I/O Description...................................................................................................34
7.7 Reset.................................................................................................................36
7.8 Wake-up............................................................................................................36
7.9 Interrupt.............................................................................................................37
7.10 PWM (Pulse Width Modulation)........................................................................38
7.10.1 Overview ...........................................................................................................38
7.10.2 Relative Register Description ...........................................................................39
7.10.3 Increment Timer Counter (TMRX: TMR1H/TMR1L or TMR2H/TMR2L)...........40
7.10.4 PWM Period (PRDX: PRD1 or PRD2) ..............................................................40
7.10.5 PWM Duty Cycle (DTX: DT1H/ DT1L; DTL: DL1H/DL1L) ................................41
7.10.6 PWM Programming Procedure/Steps ...............................................................41
7.10.7 Timer (TMRX)....................................................................................................41
7.11 Oscillator...........................................................................................................43
7.11.1 Crystal Mode .....................................................................................................43
7.11.2 IRC Mode ..........................................................................................................44
7.11.3 ERIC Mode........................................................................................................44
7.12 Power-on Considerations..................................................................................46
7.13 External Power-on Reset Circuit.......................................................................46
Absolute Maximum Ratings................................................................................... 48
DC Electrical Characteristics................................................................................. 48
9.1 Device Characteristic Graphics.........................................................................49
8
9
10 AC Electrical Characteristics................................................................................. 50
10.1 Operating Voltage vs Main CLK........................................................................51
10.2 10-Bit ADC Characteristics ...............................................................................52
11 Timing Diagrams ..................................................................................................... 53
12 OTP ROM Burning Pins .......................................................................................... 54
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Product Specification (V1.0) 04.25.2006
ELAN [ ELAN MICROELECTRONICS CORP ]
