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MCP4641 数据表(PDF) 37 Page - Microchip Technology |
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MCP4641 数据表(HTML) 37 Page - Microchip Technology |
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37 / 102 page  2008-2013 Microchip Technology Inc. DS22096B-page 37 MCP453X/455X/463X/465X REGISTER 4-1: TCON BITS (ADDRESS = 0x04) (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 R/W-1 GCEN 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 GCEN: General Call Enable bit This bit specifies if I2C General Call commands are accepted 1 = Enable Device to “Accept” the General Call Address (0000h) 0 = The General Call Address is disabled 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: These bits do not affect the wiper register values. |
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