Contents
6.10 Comparator..................................................................................................... 68
6.10.1 External Reference Signal................................................................................ 69
6.10.2 Comparator Outputs ......................................................................................... 69
6.10.3 Using a Comparator as an Operation Amplifier................................................ 70
6.10.4 Comparator Interrupt ........................................................................................ 70
6.10.5 Wake-up from Sleep Mode............................................................................... 70
6.11 Oscillator ........................................................................................................71
6.11.1 Oscillator Modes............................................................................................... 71
6.11.2 Crystal Oscillator/Ceramic Resonators (Crystal).............................................. 71
6.11.3 External RC Oscillator Mode ............................................................................ 73
6.11.4 Internal RC Oscillator Mode ............................................................................. 74
6.12 Power-on Considerations................................................................................ 75
6.12.1 Programmable WDT Time-out Period .............................................................. 75
6.12.2 External Power-on Reset Circuit ...................................................................... 75
6.12.3 Residual Voltage Protection ............................................................................. 76
6.13 Code Option ................................................................................................... 77
6.13.1 Code Option Register (Word 0)........................................................................ 77
6.13.2 Code Option Register (Word 1)........................................................................ 78
6.13.3 Customer ID Register (Word 2)........................................................................ 79
6.14 Low Voltage Detector...................................................................................... 80
6.14.1 Low Voltage Reset............................................................................................ 80
6.14.2 Low Voltage Detector........................................................................................ 80
6.14.2.1 IOCD1 (LVD Control Register) .......................................................... 80
6.14.2.2 RE (Interrupt Status 2 & Wake-up Control Register)......................... 81
6.14.3 Programming Process...................................................................................... 82
6.15 Instruction Set................................................................................................. 83
7
8
Absolute Maximum Ratings.................................................................................. 85
DC Electrical Characteristics................................................................................ 85
8.1 AD Converter Characteristics ......................................................................... 86
8.2 Comparator (OP) Characteristics.................................................................... 87
8.3 Device Characteristics.................................................................................... 88
9
AC Electrical Characteristic.................................................................................. 89
10 Timing Diagrams ................................................................................................... 90
Product Specification (V1.0) 12.01.2006
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ELAN [ ELAN MICROELECTRONICS CORP ]
