전자부품 데이터시트 검색엔진 |
|
Q67127-C1072 데이터시트(PDF) 31 Page - Siemens Semiconductor Group |
|
Q67127-C1072 데이터시트(HTML) 31 Page - Siemens Semiconductor Group |
31 / 67 page Semiconductor Group 31 1997-10-01 C517A Timer 2 Operation Timer Mode: In timer function, the count rate is derived from the oscillator frequency. A prescaler offers the possibility of selecting a count rate of 1/12 or 1/24 of the oscillator frequency. Gated Timer Mode: In gated timer function, the external input pin P1.7/T2 operates as a gate to the input of timer 2. If T2 is high, the internal clock input is gated to the timer. T2 = 0 stops the counting procedure. The external gate signal is sampled once every machine cycle. Event Counter Mode: In the event counter function. the timer 2 is incremented in response to a 1-to-0 transition at its corresponding external input pin P1.7/T2. In this function, the external input is sampled every machine cycle. The maximum count rate is 1/24 of the oscillator frequency. Reload of Timer 2: Two reload modes are selectable: In mode 0, when timer 2 rolls over from all 1’s to all 0’s, it not only sets TF2 but also causes the timer 2 registers to be loaded with the 16-bit value in the CRC register, which is preset by software. In mode 1, a 16-bit reload from the CRC register is caused by a negative transition at the corresponding input pin P1.5/T2EX. Figure 11 Block Diagram of Timer 2 MCB03328 Programmable OSC T2PS T2PS1 No input selected Timer stop 00 01 10 11 Counter function via ext. input P1.7/T2 Timer function Gated timer function by ext. input P1.7/T2 T2I1 T2I0 SFR T2CON P1.7/T2 TL2 TH2 TF2 EXF2 Interrupt EXEN2 Sync P1.5/T2EX Reload Timer 2 Input Clock 1 1 (8 Bits) (8 Bits) _ < _ < Prescaler |
유사한 부품 번호 - Q67127-C1072 |
|
유사한 설명 - Q67127-C1072 |
|
|
링크 URL |
개인정보취급방침 |
ALLDATASHEET.CO.KR |
ALLDATASHEET 가 귀하에 도움이 되셨나요? [ DONATE ] |
Alldatasheet는? | 광고문의 | 운영자에게 연락하기 | 개인정보취급방침 | 링크교환 | 제조사별 검색 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |