| 전자부품 데이터시트 검색엔진 |
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MCP2035-I/ST 데이터시트(PDF) 51 Page - Microchip Technology |
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MCP2035-I/ST 데이터시트(HTML) 51 Page - Microchip Technology |
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51 / 68 page ![]() 2012 Microchip Technology Inc. DS22304A-page 51 MCP2035 REGISTER 5-2: CONFIGURATION REGISTER 1 (ADDRESS: 0001) R/W-0 DATOUT1 bit 8 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 DATOUT0 LCXTUN5 LCXTUN4 LCXTUN3 LCXTUN2 LCXTUN1 LCXTUN0 R1PAR bit7 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 8-7 DATOUT<1:0>: LFDATA Output type bit 00 = Demodulated output 01 = Carrier clock output 10 = RSSI output 11 = RSSI output bit 6-1 LCXTUN<5:0>: LCX Tuning Capacitance bit 000000 = +0 pF (Default) • • 111111 = +63 pF bit 0 R1PAR : Register 1 Parity Bit – set or cleared (1 or 0) so the 9-bit register contains odd parity – an odd number of set bits. An incorrect parity bit may draw unnecessary extra current. REGISTER 5-3: CONFIGURATION REGISTER 2 (ADDRESS: 0010) R/W-0 RSSIFET bit 8 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 CLKDIV 0 0 0 0 0 0R2PAR bit7 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 RSSIFET : Pull-down MOSFET on LFDATA pad bit (controllable by user in the RSSI mode only) 1 = Pull-down RSSI MOSFET on 0 = Pull-down RSSI MOSFET off bit 7 CLKDIV: Carrier Clock Divide-by bit 1 = Carrier clock/4 0 = Carrier clock/1 bit 6-1 Recommended to all 0’s. (Note 1) bit 0 R2PAR : Register 2 Parity bit – set or cleared (1 or 0) so the 9-bit register contains odd parity – an odd number of set bits. An incorrect parity bit may draw unnecessary extra current. Note 1: These bits are associated to the internally grounded LCY tuning capacitors, and have no effect in the MCP2035. |
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