MC68HC711E20CFN4 Freescale Semiconductor, MC68HC711E20CFN4 Datasheet - Page 201
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MC68HC711E20CFN4
Manufacturer Part Number
MC68HC711E20CFN4
Description
IC MCU 20K OTP 4MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC11r
Specifications of MC68HC711E20CFN4
Core Processor
HC11
Core Size
8-Bit
Speed
4MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
38
Program Memory Size
20KB (20K x 8)
Program Memory Type
OTP
Eeprom Size
512 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC711E20CFN4
Manufacturer:
FREESCALE
Quantity:
2 100
Company:
Part Number:
MC68HC711E20CFN4
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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9.6.2 Timer Interrupt Flag Register 2
M68HC11E Family — Rev. 3.2
MOTOROLA
Address:
Bits of this register indicate the occurrence of timer system events.
Coupled with the four high-order bits of TMSK2, the bits of TFLG2 allow
the timer subsystem to operate in either a polled or interrupt driven
system. Each bit of TFLG2 corresponds to a bit in TMSK2 in the same
position.
Clear flags by writing a 1 to the corresponding bit position(s).
TOF — Timer Overflow Interrupt Flag
RTIF — Real-Time Interrupt Flag
PAOVF — Pulse Accumulator Overflow Interrupt Flag
PAIF — Pulse Accumulator Input Edge Interrupt Flag
Bits [3:0] — Unimplemented
Reset:
Read:
Write:
Set when TCNT changes from $FFFF to $0000
The RTIF status bit is automatically set to 1 at the end of every RTI
period. To clear RTIF, write a byte to TFLG2 with bit 6 set.
Refer to
Refer to
Always read 0
Figure 9-22. Timer Interrupt Flag 2 Register (TFLG2)
$1025
Bit 7
TOF
0
9.8 Pulse
9.8 Pulse
= Unimplemented
RTIF
Timing System
6
0
Accumulator.
Accumulator.
PAOVF
5
0
PAIF
4
0
3
0
Real-Time Interrupt (RTI)
2
0
1
0
Timing System
Technical Data
Bit 0
0
201
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