mc68hc705v12 Freescale Semiconductor, Inc, mc68hc705v12 Datasheet - Page 99

• Manufacturer Part Number: mc68hc705v12
• Description: M68hc05-based Mcu Hc05 Freescale Semiconductor
• Manufacturer: Freescale Semiconductor, Inc

9.7 16-Bit Timer Status Register
MC68HC705V12
—
Rev. 3.0
Address:
OLVL — Output Level Bit
The 16-bit timer status register (TMRSR) is a read-only register
containing three status flag bits.
ICF – Input Capture Flag
OCF – Output Compare Flag
TOF – Timer Overflow Flag
Reset:
Read:
Write:
Value of output level is clocked into output level register by the next
successful output compare and will appear on the TCMP pin.
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1 = High output
0 = Low output
1 = Flag set when selected polarity edge is sensed by input capture
0 = Flag cleared when TMRSR and input capture low register ($15)
1 = Flag set when output compare register contents match the
0 = Flag cleared when TMRSR and output compare low register
1 = Flag set when free-running counter transition from $FFFF to
0 = Flag cleared when TMRSR and counter low register ($19) are
$0013
Bit 7
ICF
edge detector
are accessed
free-running counter contents
($17) are accessed
$0000 occurs
accessed
0
Figure 9-4. Timer Status Register (TMRSR)
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= Unimplemented
OCF
6
0
16-Bit Timer
TOF
5
0
4
0
0
3
0
0
16-Bit Timer Status Register
2
0
0
Advance Information
1
0
0
16-Bit Timer
Bit 0
0
0