MM912H634DM1AER2 Freescale Semiconductor, MM912H634DM1AER2 Datasheet - Page 290

• 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
Freescale Semiconductor
Clock Register
Written
Check
Bit Polling for
Command Buffer Empty
Check
Sequential
Programming
Decision
Bit Polling for
Command Completion
Check
Command
Buffer Empty Check
Access Error and
Protection Violation
Check
Read: FCLKDIV register
2.
3.
1.
Figure 88. Example Burst Program Command Flow
yes
FDIVLD
START
Write: FCMD register
Burst Program Command 0x25
Write: FSTAT register
Clear CBEIF 0x80
Write: Flash Array Address
and Program Data
Set?
Read: FSTAT register
Read: FSTAT register
Read: FSTAT register
ACCERR/PVIOL
Address?
yes
yes
CBEIF
CBEIF
no
yes
no
CCIF
Next
Set?
Set?
Set?
EXIT
Write: FCLKDIV register
Set?
no
no
yes
no
yes
no
Write: FSTAT register
Clear ACCERR/PVIOL 0x30
NOTE: FCLKDIV needs to
be set after each reset
32 kbyte Flash Module (S12SFTSR32KV1)
MM912F634
290