Filter
Top Products
Contents
iv •
Product Specification (V1.0) 10.19.2007
(This specification is subject to change without further notice)
6.2.27 Bank 2-R8 (Operating Mode Control Register).................................................19
6.2.28 Bank 2-R9~RF (Reserve)..................................................................................19
6.2.29 Bank 3-R5 (Timer Clock/Counter).....................................................................19
6.2.30 Bank 3-R6 (IRC Control)-only for ICE...............................................................20
6.2.31 Bank 3-R7 (Noise and LVR Control) - only for ICE...........................................21
6.2.32 Bank 3-R8~RF (Reserve)..................................................................................21
6.2.33 R10 ~ R1F.........................................................................................................21
6.2.34 Banks 0~3 - R20 ~ R3F ....................................................................................21
6.3 TCC/WDT and Prescaler.................................................................................. 22
6.4 I/O Ports ........................................................................................................... 23
6.4.1 Usage of Port 6 Input Change Wake-up/Interrupt Function..............................25
6.5 Reset and Wake-up.......................................................................................... 26
6.5.1 Reset and Wake-up Operation..........................................................................26
6.5.1.1 Wake-up and Interrupt Modes Operation Summary ..........................28
6.5.1.2 Register Initial Values after Reset......................................................30
6.5.1.3 Controller Reset Block Diagram........................................................34
6.5.2 The T and P Status under Status Register........................................................35
6.6 Interrupt............................................................................................................ 36
6.7 Comparator ...................................................................................................... 38
6.7.1 External Reference Signal ................................................................................38
6.7.2 Comparator Outputs..........................................................................................38
6.7.3 Using a Comparator as an Operation Amplifier.................................................39
6.7.3.1 Bank 0-RE (WUCR: Wake-up Control Register)................................39
6.7.3.2 Bank 1-RA (CMPCON: Comparator Control Register) ......................40
6.7.3.3 Bank 1-RE (WDT Control Register) ...................................................40
6.7.4 Comparator Interrupt.........................................................................................40
6.7.5 Wake-up from Sleep Mode................................................................................40
6.8 Oscillator .......................................................................................................... 41
6.8.1 Oscillator Modes................................................................................................41
6.8.2 Crystal Oscillator/Ceramic Resonators (Crystal)...............................................41
6.8.3 External RC Oscillator Mode.............................................................................44
6.8.4 Internal RC Oscillator Mode ..............................................................................45
6.9 Power-on Considerations................................................................................. 45
6.9.1 External Power-on Reset Circuit.......................................................................45
6.9.2 Residual Voltage Protection..............................................................................46
6.10 Low Voltage Reset ...........................................................................................46
6.11 Code Option ..................................................................................................... 47
6.11.1 Code Option Register (Word 0).........................................................................47
6.11.2 Code Option Register (Word 1).........................................................................49
6.11.3 Customer ID Register (Word 2).........................................................................50
6.12 Instruction Set ..................................................................................................50