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MCP413X датащи(PDF) 36 Page - Microchip Technology |
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MCP413X датащи(HTML) 36 Page - Microchip Technology |
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36 / 88 page ![]() MCP413X/415X/423X/425X DS22060B-page 36 © 2008 Microchip Technology Inc. REGISTER 4-2: TCON BITS (1, 2) R-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 D8 R1HW R1A R1W R1B R0HW R0A R0W R0B bit 8 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 8 D8: Reserved. Forced to “1” bit 7 R1HW: Resistor 1 Hardware Configuration Control bit This bit forces Resistor 1 into the “shutdown” configuration of the Hardware pin 1 = Resistor 1 is NOT forced to the hardware pin “shutdown” configuration 0 = Resistor 1 is forced to the hardware pin “shutdown” configuration bit 6 R1A: Resistor 1 Terminal A (P1A pin) Connect Control bit This bit connects/disconnects the Resistor 1 Terminal A to the Resistor 1 Network 1 = P1A pin is connected to the Resistor 1 Network 0 = P1A pin is disconnected from the Resistor 1 Network bit 5 R1W: Resistor 1 Wiper (P1W pin) Connect Control bit This bit connects/disconnects the Resistor 1 Wiper to the Resistor 1 Network 1 = P1W pin is connected to the Resistor 1 Network 0 = P1W pin is disconnected from the Resistor 1 Network bit 4 R1B: Resistor 1 Terminal B (P1B pin) Connect Control bit This bit connects/disconnects the Resistor 1 Terminal B to the Resistor 1 Network 1 = P1B pin is connected to the Resistor 1 Network 0 = P1B pin is disconnected from the Resistor 1 Network bit 3 R0HW: Resistor 0 Hardware Configuration Control bit This bit forces Resistor 0 into the “shutdown” configuration of the Hardware pin 1 = Resistor 0 is NOT forced to the hardware pin “shutdown” configuration 0 = Resistor 0 is forced to the hardware pin “shutdown” configuration bit 2 R0A: Resistor 0 Terminal A (P0A pin) Connect Control bit This bit connects/disconnects the Resistor 0 Terminal A to the Resistor 0 Network 1 = P0A pin is connected to the Resistor 0 Network 0 = P0A pin is disconnected from the Resistor 0 Network bit 1 R0W: Resistor 0 Wiper (P0W pin) Connect Control bit This bit connects/disconnects the Resistor 0 Wiper to the Resistor 0 Network 1 = P0W pin is connected to the Resistor 0 Network 0 = P0W pin is disconnected from the Resistor 0 Network bit 0 R0B: Resistor 0 Terminal B (P0B pin) Connect Control bit This bit connects/disconnects the Resistor 0 Terminal B to the Resistor 0 Network 1 = P0B pin is connected to the Resistor 0 Network 0 = P0B pin is disconnected from the Resistor 0 Network Note 1: The hardware SHDN pin (when active) overrides the state of these bits. When the SHDN pin returns to the inactive state, the TCON register will control the state of the terminals. The SHDN pin does not modify the state of the TCON bits. 2: These bits do not affect the wiper register values. |
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