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LM63 Datasheet(PDF) 23 Page - National Semiconductor (TI) |
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LM63 Datasheet(HTML) 23 Page - National Semiconductor (TI) |
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23 / 28 page  2.0 LM63 Registers (Continued) ALERT Status And Mask Registers (Continued) ADDRESS Hex Read/ Write Bits POR Value Name Description 16 HEX ALERT MASK REGISTER (8-bits) 16 R/W 7 1 This bit is unused and always read as 1. 60 Local High Alarm Mask When this bit is a 0, a Local High Alarm event will generate an ALERT. When this bit is a 1, a Local High Alarm will not generate an ALERT 5 1 This bit is unused and always read as 1. 40 Remote High Alarm Mask When this bit is a 0, Remote High Alarm event will generate an ALERT. When this bit is a 1, a Remote High Alarm event will not generate an ALERT. 30 Remote Low Alarm Mask When this bit is a 0, a Remote Low Alarm event will generate an ALERT. When this bit is a 1, a Remote Low Alarm event will not generate an ALERT. 2 1 This bit is unused and always read as 1. 10 Remote T_CRIT Alarm Mask When this bit is a 0, a Remote T_CRIT event will generate an ALERT. When this bit is a 1, a Remote T_CRIT event will not generate an ALERT. 00 Tach Alarm Mask When this bit is a 0, a Tach Alarm event will generate an ALERT. When this bit is a 1, a Tach Alarm event will not generate an ALERT. Conversion Rate And One-Shot Registers ADDRESS Hex Read/ Write Bits POR Value Name Description 04 (0A) HEX CONVERSION RATE REGISTER (8-bits) 04 (0A) R/W 7:0 0x08 Conversion Rate Sets the conversion rate of the LM63. 00000000 = 0.0625 Hz 00000001 = 0.125 Hz 00000010 = 0.25 Hz 00000011 = 0.5 Hz 00000100 = 1 Hz 00000101 = 2 Hz 00000110 = 4 Hz 00000111 = 8 Hz 00001000 = 16 Hz 00001001 = 32 Hz All other values = 32 Hz 04 (0A) HEX ONE-SHOT REGISTER (8-bits) 0F Write Only 7:0 N/A One Shot Trigger With the LM63 in the STANDBY mode a single write to this register will initiate one complete temperature conversion cycle. ID Registers ADDRESS Hex Read/ Write Bits POR Value Name Description FF HEX STEPPING / DIE REVISION ID REGISTER (8-bits) FF Read Only 7:0 0x41 Stepping/Die Revision ID Version of LM63 FE HEX MANUFACTURER’S ID REGISTER (8-bits) FE Read Only 7:0 0x01 Manufacturer’s ID 0x01 = National Semiconductor www.national.com 23 |
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