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AT48802 Datasheet(PDF) 19 Page - ATMEL Corporation |
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AT48802 Datasheet(HTML) 19 Page - ATMEL Corporation |
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19 / 23 page  Function Register Bit # Description P0.2 OPT 13 6 0 selects register 7 bit 2 to output at pin 4. 1 selects RX PN Sync to output at pin 4. P0.3 OPT 13 7 0 selects register 7 bit 3 to output at pin 5. 1 selects TX PN Sync to output at pin 5. Wake latches 14 0-2 Allows the microcontroller to see why the unit came awake, to allow proper response. Wake 0 Wake 1 Wake 2 Wakeup Cause 0 0 0 power on reset 0 0 1 timer 0 1 0 FLIPSW 0 1 1 timer and FLIPSW 1 0 0 INTERCOM 1 0 1 timer and INTERCOM 1 1 0 FLIPSW and INTERCOM 1 1 1 Everything WAKE bits are cleared (set to 0) upon entering the sleep mode. See section 2.2. Sense FLIPSW 14 4 Direct sense of FLIPSW input pin 21. For example, when the handset is already awake and the user wants to hang up and start a new call, then the microcontroller could sense this by scanning this bit. Not latched. Sense INTERCOM 14 5 Direct sense of INTERCOM pin 51. For example, when the handset is already awake and the user wants to hang up and start an intercom call, then the microcontroller could sense this by scanning this bit. Not latched. Test Mode 14 7 Not a user function. Register Functions (Continued) Lead Temperature ...........................................300°C Storage Temperature...................... -55°C to +125°C VCC, Supply Voltage .......................... -0.3V to +7.0V Input Pin Voltage........................-0.3V to VCC + 0.3V Input Pin Current.......................... -10 mA to +10 mA *NOTICE: Stresses beyond those listed under “Absolute Maxi- mum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indi- cated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Absolute Maximum Ratings* AT48802 2-19 |
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