datasheet (3).pdf - EEWeb

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dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04 REGISTER 27-5: PMSTAT: PARALLEL PORT STATUS REGISTER R-0 R/W-0, HS U-0 U-0 R-0 R-0 R-0 R-0 IBF IBOV — — IB3F IB2F IB1F IB0F bit 15 bit 8 R-1 R/W-0, HS U-0 U-0 R-1 R-1 R-1 R-1 OBE OBUF — — OB3E OB2E OB1E OB0E bit 7 bit 0 Legend: HS = Hardware Set bit 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 15 IBF: Input Buffer Full Status bit 1 = All writable input buffer registers are full 0 = Some or all of the writable input buffer registers are empty bit 14 IBOV: Input Buffer Overflow Status bit 1 = A write attempt to a full input byte register occurred (must be cleared in software) 0 = No overflow occurred bit 13-12 Unimplemented: Read as ‘0’ bit 11-8 IB3F:IB0F Input Buffer x Status Full bits 1 = Input buffer contains data that has not been read (reading buffer will clear this bit) 0 = Input buffer does not contain any unread data bit 7 OBE: Output Buffer Empty Status bit 1 = All readable output buffer registers are empty 0 = Some or all of the readable output buffer registers are full bit 6 OBUF: Output Buffer Underflow Status bits 1 = A read occurred from an empty output byte register (must be cleared in software) 0 = No underflow occurred bit 5-4 Unimplemented: Read as ‘0’ bit 3-0 OB3E:OB0E Output Buffer x Status Empty bit 1 = Output buffer is empty (writing data to the buffer will clear this bit) 0 = Output buffer contains data that has not been transmitted DS70291E-page 318 © 2011 Microchip Technology Inc.
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04 REGISTER 27-6: PADCFG1: PAD CONFIGURATION CONTROL REGISTER U-0 U-0 U-0 U-0 U-0 U-0 U-0 U-0 — — — — — — — — bit 15 bit 8 U-0 U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-0 — — — — — — RTSECSEL (1) PMPTTL bit 7 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 15-2 Unimplemented: Read as ‘0’ bit 1 RTSECSEL: RTCC Seconds Clock Output Select bit (1) 1 = RTCC seconds clock is selected for the RTCC pin 0 = RTCC alarm pulse is selected for the RTCC pin bit 0 PMPTTL: PMP Module TTL Input Buffer Select bit 1 = PMP module uses TTL input buffers 0 = PMP module uses Schmitt Trigger input buffers Note 1: To enable the actual RTCC output, the RTCOE (RCFGCAL) bit needs to be set. © 2011 Microchip Technology Inc. DS70291E-page 319
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datasheet (3).pdf - EEWeb

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