MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 258

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MC912DG128ACPV

Manufacturer Part Number
MC912DG128ACPV
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128ACPV

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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TFLG1 — Main Timer Interrupt Flag 1
Enhanced Capture Timer
Technical Data
258
RESET:
Bit 7
C7F
0
C6F
6
0
TFLG1 indicates when interrupt conditions have occurred. To clear a bit
in the flag register, write a one to the bit.
Use of the TFMOD bit in the ICSYS register ($AB) in conjunction with the
use of the ICOVW register ($AA) allows a timer interrupt to be generated
after capturing two values in the capture and holding registers instead of
generating an interrupt for every capture.
Read anytime. Write used in the clearing mechanism (set bits cause
corresponding bits to be cleared). Writing a zero will 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) will cause the
corresponding channel flag CnF to be cleared.
C7F–C0F — Input Capture/Output Compare Channel “n” Flag.
The newly selected prescale factor will not take effect until the next
synchronized edge where all prescale counter stages equal zero.
Freescale Semiconductor, Inc.
For More Information On This Product,
C5F
5
0
Go to: www.freescale.com
Enhanced Capture Timer
PR2
0
0
0
0
1
1
1
1
C4F
4
0
Table 15-3. Prescaler Selection
PR1
0
0
1
1
0
0
1
1
C3F
3
0
PR0
C2F
0
1
0
1
0
1
0
1
2
0
MC68HC912DT128A — Rev 4.0
Prescale Factor
C1F
1
0
128
16
32
64
1
2
4
8
Bit 0
C0F
0
MOTOROLA
$008E

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