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W925C240 Datasheet(PDF) 1 Page - Winbond |
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W925C240 Datasheet(HTML) 1 Page - Winbond |
1 / 73 page W925E/C240 8-BIT CID MICROCONTROLLER Publication Release Date: July 12, 2005 - 1 - Revision A10 Table of Contents- 1. GENERAL DESCRIPTION ......................................................................................................... 2 2. FEATURES ................................................................................................................................. 2 3. PIN CONFIGURATION ...............................................................................................................4 4. PIN DESCRIPTION..................................................................................................................... 5 5. BLOCK DIAGRAM ...................................................................................................................... 7 6. FUNCTIONAL DESCRIPTION.................................................................................................... 8 6.1 Memory Organization ..................................................................................................... 9 6.2 Special Function Registers ........................................................................................... 12 6.3 Initial State of Registers................................................................................................ 32 6.4 Instruction .....................................................................................................................33 6.5 Power Management...................................................................................................... 37 6.6 Reset............................................................................................................................. 38 6.7 Interrupt......................................................................................................................... 38 6.8 Programmable Timers/Counters................................................................................... 41 6.9 Serial Port 1 .................................................................................................................. 45 6.10 Comparator ................................................................................................................... 47 6.11 DTMF Generator........................................................................................................... 47 6.12 FSK Generator.............................................................................................................. 48 6.13 I/O Ports........................................................................................................................ 50 6.14 Divider........................................................................................................................... 50 6.15 Calling Identity Delivery (CID)....................................................................................... 51 7. APPLICATION CIRCUIT........................................................................................................... 60 8. ELECTRICAL CHARACTERISTICS......................................................................................... 66 8.1 Absolute Maximum Ratings*......................................................................................... 66 8.2 Recommended Operating Conditions .......................................................................... 66 8.3 DC Characteristics........................................................................................................ 67 8.4 Electrical Characteristics - Gain Control OP-Amplifier ................................................. 68 8.5 AC Characteristics ........................................................................................................ 69 9. PACKAGE DIMENSION ........................................................................................................... 72 10. REVISION HISTORY ................................................................................................................73 |
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