MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 148
MC68HC912B32VFU8
Manufacturer Part Number
MC68HC912B32VFU8
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC912B32VFU8.pdf
(334 pages)
Specifications of MC68HC912B32VFU8
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Program Memory Type
EPROM
Program Memory Size
32KB
Total Internal Ram Size
1KB
# I/os (max)
63
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC912B32VFU8
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Standard Timer (TIM)
12.3.8 Timer Interrupt Flag Registers
Read: Anytime
Write: Used in the clearing mechanism; set bits cause corresponding bits to
TFLG1 indicates when interrupt conditions have occurred. To clear a bit in the flag register, write a 1 to
the bit. Writing a logic 0 does not affect current status of the bit.
When TFFCA bit in TSCR register is set, a read from an input capture or a write into an output compare
channel ($90–$9F) causes the corresponding channel flag CnF to be cleared.
C7F–C0F — Input Capture/Output Compare Channel n Flag
Read: Anytime
Write: Used in the clearing mechanism; set bits cause corresponding bits to
TFLG2 indicates when interrupt conditions have occurred. To clear a bit in the flag register, set the bit to 1.
Any access to TCNT clears TFLG2 register, if the TFFCA bit in TSCR register is set.
TOF — Timer Overflow Flag
148
Set when 16-bit free-running timer overflows from $FFFF to $0000. This bit is cleared automatically by
a write to the TFLG2 register with bit 7 set. For additional information, see the TCRE control bit
explanation found in
be cleared
be cleared
Address: $008E
Address: $008F
Reset:
Reset:
Read:
Read:
Write:
Write:
Bit 7
C7F
Bit 7
TOF
12.3.7 Timer Interrupt Mask
0
0
Figure 12-14. Timer Interrupt Flag 1 (TFLG1)
Figure 12-15. Timer Interrupt Flag 2 (TFLG2)
C6F
6
0
6
0
0
M68HC12B Family Data Sheet, Rev. 9.1
C5F
5
0
5
0
0
C4F
4
0
4
0
0
Registers.
C3F
3
0
3
0
0
C2F
2
0
2
0
0
C1F
1
0
1
0
0
Freescale Semiconductor
Bit 0
Bit 0
C0F
0
0
0
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