MM912F634DV1AER2 Freescale Semiconductor, MM912F634DV1AER2 Datasheet - Page 124
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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
4.17
The three multipurpose I/O pins can be configured to operate as documented in the table below.
Table 144. General purpose I/O - Operating modes
The alternate function of PTB2, PTB1 and PTB0 can be configured by selecting the function in the corresponding module (e.g.
TIMER). The selection with the highest priority will take effect when more than one function is selected.
4.17.1
All three pins act as standard digital Inputs / Outputs with selectable pull-up resistor.
4.17.2
For alternative serial configuration and for debug and certification purpose, PTB0 and PTB1 can be configured to connect to the
internal LIN and / or SCI signals (RxD and TxD).
4.17.3
As an alternative routing for the PWM channel (0 or 1) output, the PortB 2 (PTB2) can be configured to output one of the two
PWM channels defined in the
configured in the Port B Configuration Register 2 (PTBC2).
Freescale Semiconductor
Priority
1 (H)
4 (L)
2
3
Communication
Communication
Interface (SCI)
Interface (SCI)
2.5 V Analog Input
Timer Input Capture / Output Compare
LIN / SCI - Rx / Tx (PTB0…1) or PWM (PTB2)
5.0 V Input Output
4 Channel Timer
4 Channel Timer
General Purpose I/O - PTB[0…2]
Serial
Serial
Module
Module
Digital I/O Functionality
Alternative SCI / LIN Functionality
Alternative PWM Functionality
TIM0CH3
TIM0CH3
Rx
Rx
Tx
Tx
Mode 1 (external SCI)
Mode 0 (default)
Function
Section 4.13, “PWM Control Module
Rx
Tx
Rx
Tx
Layer Interface
Layer Interface
LIN Physical
LIN Physical
Figure 34. Alternative SCI / LIN Functionality
PTB0/AD0/TIM0CH0/Rx
PTB1/AD1/TIM0CH1/Tx
PTB2/AD2/TIM0CH2/PWM
LIN
PTB0/AD0/TIM0CH0/Rx
PTB1/AD1/TIM0CH1/Tx
PTB2/AD2/TIM0CH2/PWM
LIN
Figure 34
shows the 4 available configurations.
TIMCH2
PTB2
PTB2
PWM
AD2
Communication
Communication
Interface (SCI)
Interface (SCI)
4 Channel Timer
4 Channel Timer
(PWM8B2C)". The selection and output enable can be
Serial
Serial
Module
Module
TIM0CH3
TIM0CH3
TIMCH1
PTB1
PTB1
AD1
Tx
Rx
Rx
Tx
Tx
Mode 2 (external LIN)
Mode 3 (observe)
TIMCH0
PTB0
PTB0
AD0
Rx
Rx
Tx
Rx
Tx
Layer Interface
Layer Interface
LIN Physical
LIN Physical
General Purpose I/O - PTB[0…2]
PTB0/AD0/TIM0CH0/Rx
PTB1/AD1/TIM0CH1/Tx
PTB2/AD2/TIM0CH2/PWM
LIN
PTB0/AD0/TIM0CH0/Rx
PTB1/AD1/TIM0CH1/Tx
PTB2/AD2/TIM0CH2/PWM
LIN
Chp/Pg
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MM912F634
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