MC912DG128AMPVE Freescale Semiconductor, MC912DG128AMPVE Datasheet - Page 188

• Manufacturer Part Number: MC912DG128AMPVE
• Description: IC MCU 128K FLASH 8MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MC912DG128AMPVE

• 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 ~ 125°C
• Package / Case: 112-LQFP
• Processor Series: HC912D
• Core: HC12
• Data Bus Width: 16 bit
• Data Ram Size: 8 KB
• Interface Type: CAN/I2C/SCI/SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 8
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 2 (8-ch x 10-bit)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Clock Functions
RTIFLG — Real Time Interrupt Flag Register
Technical Data
188
RTR2 RTR1 RTR0 Divide X By:
RESET:
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
RTIF
Bit 7
0
0
1
0
1
0
1
0
1
6
0
0
RTR2, RTR1, RTR0 — Real-Time Interrupt Rate Select
RTIF — Real Time Interrupt Flag
OFF
2
2
2
2
2
2
2
13
14
15
16
17
18
19
Read and write anytime.
Rate select for real-time interrupt. The clock used for this module is
the XCLK.
This bit is cleared automatically by a write to this register with this bit
set.
Freescale Semiconductor, Inc.
Table 12-4. Real Time Interrupt Rates
For More Information On This Product,
0 = Time-out has not yet occurred.
1 = Set when the time-out period is met.
Time-Out Period
5
0
0
X = 125 KHz
65.536 ms
131.72 ms
263.44 ms
526.88 ms
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1.05 s
2.11 s
4.22 s
OFF
Clock Functions
4
0
0
Time-Out Period
X = 500 KHz
16.384 ms
32.768 ms
65.536 ms
131.72 ms
263.44 ms
526.88 ms
3
0
0
1.05 s
OFF
2
0
0
Time-Out Period
X = 2.0 MHz
16.384 ms
32.768 ms
65.536 ms
131.72 ms
263.44 ms
4.096 ms
8.196 ms
MC68HC912DT128A — Rev 4.0
OFF
1
0
0
Bit 0
Time-Out Period
0
0
X = 8.0 MHz
16.384 ms
32.768 ms
65.536 ms
1.024 ms
2.048 ms
4.096 ms
8.196 ms
MOTOROLA
OFF
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