參數(shù)資料
型號(hào)： ST72P63BH4T1
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP48
封裝： 7 X 7 MM, ROHS COMPLIANT, LQFP-48
文件頁數(shù)： 103/145頁
文件大?。?/td> 2984K
代理商： ST72P63BH4T1
ST7263BDx ST7263BHx ST7263BKx ST7263BE
60/145
16-bit timer (Cont’d)
Control/status Register (CSR)
Read/Write (bits 7:3 read only)
Reset value: xxxx x0xx (xxh)
Bit 7 = ICF1 Input Capture flag 1.
0: No input capture (reset value).
1: An input capture has occurred on the ICAP1 pin
or the counter has reached the OC2R value in
PWM mode. To clear this bit, first read the SR
register, then read or write the low byte of the
IC1R (IC1LR) register.
Bit 6 = OCF1 Output Compare flag 1.
0: No match (reset value).
1: The content of the free running counter has
matched the content of the OC1R register. To
clear this bit, first read the SR register, then read
or write the low byte of the OC1R (OC1LR) reg-
ister.
Bit 5 = TOF Timer Overflow flag.
0: No timer overflow (reset value).
1: The free running counter rolled over from FFFFh
to 0000h. To clear this bit, first read the SR reg-
ister, then read or write the low byte of the CR
(CLR) register.
Note: Reading or writing the ACLR register does
not clear TOF.
Bit 4 = ICF2 Input Capture flag 2.
0: No input capture (reset value).
1: An input capture has occurred on the ICAP2
pin. To clear this bit, first read the SR register,
then read or write the low byte of the IC2R
(IC2LR) register.
Bit 3 = OCF2 Output Compare flag 2.
0: No match (reset value).
1: The content of the free running counter has
matched the content of the OC2R register. To
clear this bit, first read the SR register, then read
or write the low byte of the OC2R (OC2LR) reg-
ister.
Bit 2 = TIMD Timer disable.
This bit is set and cleared by software. When set, it
freezes the timer prescaler and counter and disa-
bled the output functions (OCMP1 and OCMP2
pins) to reduce power consumption. Access to the
timer registers is still available, allowing the timer
configuration to be changed, or the counter reset,
while it is disabled.
0: Timer enabled
1: Timer prescaler, counter and outputs disabled
Bits 1:0 = Reserved, must be kept cleared.
70
ICF1
OCF1
TOF
ICF2
OCF2 TIMD
0
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