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Philips Semiconductors Product specification 8-bit microcontroller with on-chip CAN P8xC592 handbook, full pagewidth off f CLK T2 RT2 T2ER S S S S S S TG TG S R T STE TG external reset enable = set = reset = toggle = toggle status CT0I INT R R R R R R T T RTE CT0 CTI0 1/12 PRESCALER T2 COUNTER P4.0 P4.1 P4.2 P4.3 P4.4 P4.5 P4.6 P4.7 I/O port 4 CT1I INT CT1 CTI1 T2 SFR address: TML2 = lower 8 bits TMH2 = higher 8 bits 1996 Jun 27 22 COMP CM0 (S) CT2I INT CT2 INT CTI2 Fig.11 Block diagram of Timer T2 configuration. 8-bit overflow interrupt 16-bit overflow interrupt COMP CM1 (R) INT CT3I INT CT3 COMP CM2 (T) CTI3 MGA156 INT
Philips Semiconductors Product specification 8-bit microcontroller with on-chip CAN P8xC592 11.2.1 COUNTER CONTROL REGISTER (TM2CON) Table 16 Counter Control register (address EAH) 7 6 5 4 3 2 1 0 T2IS1 T2IS0 T2ER T2B0 T2P1 T2P0 T2MS1 T2MS0 Table 17 Description of the TM2CON bits BIT SYMBOL FUNCTION 7 T2IS1 Timer 2 16-bit overflow interrupt select. 6 T2IS0 Timer 2 byte overflow interrupt select. 5 T2ER Timer 2 external reset enable. 4 T2B0 Timer 2 byte overflow interrupt flag. 3 T2P1 Timer 2 prescaler select (see Table 18). 2 T2P0 1 T2MS1 Timer 2 mode select (see Table 19). 0 T2MS0 Table 18 Timer 2 prescaler select T2P1 T2P0 T2 CLOCK 0 0 Clock source 0 1 1 ⁄2 Clock source 1 0 1 ⁄4 Clock source 1 1 1 ⁄8 Clock source 11.2.2 CAPTURE CONTROL REGISTER (CTCON) Table 20 Capture Control register (address EBH) Table 21 Description of the CTCON bits 1996 Jun 27 23 Table 19 Timer 2 mode select T2MS1 T2MS0 MODE 0 0 Timer T2 is halted 0 1 T2 clock source = 1 ⁄12fCLK. 1 0 Test mode; do not use 1 1 T2 clock source = pin T2 7 6 5 4 3 2 1 0 CTN3 CTP3 CTN2 CTP2 CTN1 CTP1 CTN0 CTP0 FUNCTION BIT SYMBOL CAPTURE INTERRUPT ON 7 CTN3 CT3I negative edge 6 CTP3 CT3I positive edge 5 CTN2 CT2I negative edge 4 CTP2 CT2I positive edge 3 CTN1 CT1I negative edge 2 CTP1 CT1I positive edge 1 CTN0 CT0I negative edge 0 CTP0 CT0I positive edge
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