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MCP4341T103E/ST 数据表(PDF) 38 Page - Microchip Technology |
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MCP4341T103E/ST 数据表(HTML) 38 Page - Microchip Technology |
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38 / 80 page ![]() MCP434X/436X DS22233A-page 38 © 2009 Microchip Technology Inc. REGISTER 4-3: TCON1 BITS (1) 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 R3HW R3A R3W R3B R2HW R2A R2W R2B 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 R3HW: Resistor 3 Hardware Configuration Control bit This bit forces Resistor 3 into the “shutdown” configuration of the Hardware pin 1 = Resistor 3 is NOT forced to the hardware pin “shutdown” configuration 0 = Resistor 3 is forced to the hardware pin “shutdown” configuration bit 6 R3A: Resistor 3 Terminal A (P3A pin) Connect Control bit This bit connects/disconnects the Resistor 3 Terminal A to the Resistor 3 Network 1 = P3A pin is connected to the Resistor 3 Network 0 = P3A pin is disconnected from the Resistor 3 Network bit 5 R3W: Resistor 3 Wiper (P3W pin) Connect Control bit This bit connects/disconnects the Resistor 3 Wiper to the Resistor 3 Network 1 = P3W pin is connected to the Resistor 3 Network 0 = P3W pin is disconnected from the Resistor 3 Network bit 4 R3B: Resistor 3 Terminal B (P3B pin) Connect Control bit This bit connects/disconnects the Resistor 3 Terminal B to the Resistor 3 Network 1 = P3B pin is connected to the Resistor 3 Network 0 = P3B pin is disconnected from the Resistor 3 Network bit 3 R2HW: Resistor 2 Hardware Configuration Control bit This bit forces Resistor 2 into the “shutdown” configuration of the Hardware pin 1 = Resistor 2 is NOT forced to the hardware pin “shutdown” configuration 0 = Resistor 2 is forced to the hardware pin “shutdown” configuration bit 2 R2A: Resistor 2 Terminal A (P0A pin) Connect Control bit This bit connects/disconnects the Resistor 2 Terminal A to the Resistor 2 Network 1 = P2A pin is connected to the Resistor 2 Network 0 = P2A pin is disconnected from the Resistor 2 Network bit 1 R2W: Resistor 2 Wiper (P0W pin) Connect Control bit This bit connects/disconnects the Resistor 2 Wiper to the Resistor 2 Network 1 = P2W pin is connected to the Resistor 2 Network 0 = P2W pin is disconnected from the Resistor 2 Network bit 0 R2B: Resistor 2 Terminal B (P2B pin) Connect Control bit This bit connects/disconnects the Resistor 2 Terminal B to the Resistor 2 Network 1 = P2B pin is connected to the Resistor 2 Network 0 = P2B pin is disconnected from the Resistor 2 Network Note 1: These bits do not affect the wiper register values. |
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