MM912H634DM1AER2 Freescale Semiconductor, MM912H634DM1AER2 Datasheet - Page 253

• Manufacturer Part Number: MM912H634DM1AER2
• Description: 16-bit Microcontrollers - MCU 64KS12 LIN2XLS/HS ISENSE
• Manufacturer: Freescale Semiconductor

Specifications of MM912H634DM1AER2

• Rohs: yes
• Core: HCS12
• Processor Series: MM912F634
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 20 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 5.5 V to 18 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-48
• Mounting Style: SMD/SMT
• A/d Bit Size: 10 bit
• A/d Channels Available: 15
• Interface Type: SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 15
• Number Of Timers: 1
• Program Memory Type: Flash
• Supply Voltage - Max: 18 V
• Supply Voltage - Min: 5.5 V

Functional Description and Application Information
4.32.4.4
An example of how to use the Oscillator as Bus Clock is shown in
4.32.5
4.32.5.1
All reset sources are listed in
Freescale Semiconductor
EXTAL
UPOSC
Oscillator
Clock
BCLKS
Core
Clock
DCO
Clock
OSCEN
Resets
Enabling the External Oscillator
General
Table 333. Reset Summary
enable external Oscillator by writing OSCEN bit to one.
based on DCO Clock
COP Watchdog time out
Illegal Address Access
Oscillator Monitor Fail
crystal/resonator starts oscillating
Table
External pin RESET
Power-On Detect
t
Reset Source
UPOSC
Figure 76. Example for Enabling the External Oscillator
333. Refer to MCU specification for related vector addresses and priorities.
select Oscillator as Core/Bus Clock by writing bit to one
UPOSC flag is set upon successful start of oscillation
Figure
based on Oscillator Clock
CRGCTL0 (OSCEN = 1)
76.
see COP Block Guide
S12S Clocks and Reset Generator (S12SCRGV1)
Local Enable
None
None
None
MM912F634
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