MM912F634DV1AER2 Freescale Semiconductor, MM912F634DV1AER2 Datasheet - Page 175
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MM912F634DV1AER2
Manufacturer Part Number
MM912F634DV1AER2
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AER2
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
4.5 V to 5.5 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
6
Number Of Timers
1
Program Memory Type
Flash
Supply Voltage - Max
4.5 V
Supply Voltage - Min
4.5 V
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Functional Description and Application Information
4.27.4.3
4.27.4.3.1
This port is associated with the SPI.
Port A pins PA5-0 can be used for general-purpose I/O and PA3-0, also with the SPI subsystem.
4.27.4.3.2
This port is associated with the D2DI interface.
Port C pins PC1-0 can be used either for general-purpose I/O, or as the D2DI interrupt input and D2DI clock output, respectively.
A pull-down device is enabled on pin PC1 if used as D2DI input.
The D2DI interrupt input is synchronized and has an asynchronous bypass in STOP mode to allow the generation of a wake-up
interrupt.
4.27.4.3.3
This port is exclusively associated with the D2DI interface and not available externally.
Port D pins PD7-0 can be used either for general-purpose I/O or with the D2DI data I/O. If the D2DI is enabled in 4-bit mode, pins
PD7-4 can be used with general purpose pin functionality.
Pull-down devices are enabled on all pins if used as D2DI inputs.
4.27.5
4.27.5.1
It is not recommended to write PTx and DDRx in a word access. When changing the register pins from inputs to outputs, the data
may have extra transitions during the write access. Initialize the port data register before enabling the outputs.
Freescale Semiconductor
Initialization Information
Ports
Port Data and Data Direction Register writes
Port A
Port C
Port D
Port Integration Module (9S12I32PIMV1)
MM912F634
175
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