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16F1829 Datasheet(PDF) 187 Page - Microchip Technology |
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16F1829 Datasheet(HTML) 187 Page - Microchip Technology |
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187 / 420 page  2010 Microchip Technology Inc. Preliminary DS41440A-page 189 PIC16F/LF1825/1829 TABLE 20-1: SUMMARY OF REGISTERS ASSOCIATED WITH TIMER0 REGISTER 20-1: OPTION_REG: OPTION REGISTER R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 R/W-1/1 WPUEN INTEDG TMR0CS TMR0SE PSA PS<2:0> bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ u = Bit is unchanged x = Bit is unknown -n/n = Value at POR and BOR/Value at all other Resets ‘1’ = Bit is set ‘0’ = Bit is cleared bit 7 WPUEN: Weak Pull-up Enable bit 1 = All weak pull-ups are disabled (except MCLR, if it is enabled) 0 = Weak pull-ups are enabled by individual WPUx latch values bit 6 INTEDG: Interrupt Edge Select bit 1 = Interrupt on rising edge of RB0/INT pin 0 = Interrupt on falling edge of RB0/INT pin bit 5 TMR0CS: Timer0 Clock Source Select bit 1 = Transition on RA4/T0CKI pin 0 = Internal instruction cycle clock (FOSC/4) bit 4 TMR0SE: Timer0 Source Edge Select bit 1 = Increment on high-to-low transition on RA4/T0CKI pin 0 = Increment on low-to-high transition on RA4/T0CKI pin bit 3 PSA: Prescaler Assignment bit 1 = Prescaler is not assigned to the Timer0 module 0 = Prescaler is assigned to the Timer0 module bit 2-0 PS<2:0>: Prescaler Rate Select bits Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Register on Page CPSCON0 CPSON CPSRM — — CPSRNG1 CPSRNG0 CPSOUT T0XCS 333 FVRCON FVREN FVRRDY TSEN TSRNG CDAFVR<1:0> ADFVR<1:0> 148 INLVLA — — INLVLA5 INLVLA4 INLVLA3 INLVLA2 INLVLA1 INLVLA0 131 INTCON GIE PEIE TMR0IE INTE IOCIE TMR0IF INTF IOCIF 93 OPTION_REG WPUEN INTEDG TMR0CS TMR0SE PSA PS<2:0> 189 TMR0 Timer0 Module Register 187* TRISA — — TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 129 Legend: — = Unimplemented location, read as ‘0’. Shaded cells are not used by the Timer0 module. * Page provides register information. 000 001 010 011 100 101 110 111 1 : 2 1 : 4 1 : 8 1 : 16 1 : 32 1 : 64 1 : 128 1 : 256 Bit Value Timer0 Rate |
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