ST7263-EMU2 STMicroelectronics, ST7263-EMU2 Datasheet - Page 51
ST7263-EMU2
Manufacturer Part Number
ST7263-EMU2
Description
MCU, MPU & DSP Development Tools ST7 Emulator Board
Manufacturer
STMicroelectronics
Datasheet
1.ST7263-EMU2.pdf
(109 pages)
Specifications of ST7263-EMU2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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16-BIT TIMER (Cont’d)
STATUS REGISTER (SR)
Read Only
Reset Value: 0000 0000 (00h)
The three least significant bits are not used.
Bit 7 = ICF1 Input Capture Flag 1.
0: No input capture (reset value).
1: An input capture has occurred on the ICAP1 pin
Bit 6 = OCF1 Output Compare Flag 1.
0: No match (reset value).
1: The content of the free running counter matches
Bit 5 = TOF Timer Overflow Flag.
0: No timer overflow (reset value).
1: The free running counter has rolled over from
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
Bit 3 = OCF2 Output Compare Flag 2.
0: No match (reset value).
1: The content of the free running counter matches
Bit 2-0 = Reserved, forced by hardware to 0.
ICF1
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.
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) register.
FFFFh to 0000h. To clear this bit, first read the
SR register, then read or write the low byte of
the CR (CLR) register.
pin. To clear this bit, first read the SR register,
then read or write the low byte of the IC2R
(IC2LR) register.
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) register.
7
OCF1
TOF
ICF2
OCF2
0
0
0
0
INPUT CAPTURE 1 HIGH REGISTER (IC1HR)
Read Only
Reset Value: Undefined
This is an 8-bit read only register that contains the
high part of the counter value (transferred by the
input capture 1 event).
INPUT CAPTURE 1 LOW REGISTER (IC1LR)
Read Only
Reset Value: Undefined
This is an 8-bit read only register that contains the
low part of the counter value (transferred by the in-
put capture 1 event).
OUTPUT
(OC1HR)
Read/Write
Reset Value: 1000 0000 (80h)
This is an 8-bit register that contains the high part
of the value to be compared to the CHR register.
OUTPUT
(OC1LR)
Read/Write
Reset Value: 0000 0000 (00h)
This is an 8-bit register that contains the low part of
the value to be compared to the CLR register.
MSB
MSB
MSB
MSB
7
7
7
7
COMPARE
COMPARE
1
1
HIGH
LOW
REGISTER
REGISTER
ST7263
51/109
LSB
LSB
LSB
LSB
0
0
0
0
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