MM912H634CM1AER2 Freescale Semiconductor, MM912H634CM1AER2 Datasheet - Page 8
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MM912H634CM1AER2
Manufacturer Part Number
MM912H634CM1AER2
Description
64KS12 LIN2xLS/HS Isense
Manufacturer
Freescale Semiconductor
Series
-r
Datasheet
1.MM912G634CM1AE.pdf
(345 pages)
Specifications of MM912H634CM1AER2
Applications
Automotive
Core Processor
HCS12
Program Memory Type
FLASH (64 kB)
Controller Series
HCS12
Ram Size
6K x 8
Interface
LIN
Number Of I /o
-
Voltage - Supply
5.5 V ~ 27 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
48-LQFP Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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2.1
The following table gives a brief description of all available pins on the MM912_634 package. Refer to the highlighted chapter for
detailed information.
Freescale Semiconductor
Note:
Pin #
6.
10
12
13
14
15
16
17
18
11
1
2
3
4
5
6
7
8
9
An optional filter capacitor CVSENSE is recommended to be placed between the board connector and DVSENSE to GND for increased
ESD performance.
MM912_634 Pin Description
PE0/EXTAL
Pin Name
PE1/XTAL
VDDD2D
VSENSE
VSSD2D
VDDRX
VSSRX
DGND
VDDX
TEST
VDD
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Voltage Regulator Output
MCU 5.0 V Ground
MCU 2.5 V Ground
MCU 5.0 V Supply
MCU 2.5 V Supply
Voltage Regulator
MCU PA1 / MOSI
MCU PA0 / MISO
MCU PA2 / SCK
MCU Oscillator
MCU Oscillator
MCU PA3 / SS
Voltage Sense
Formal Name
Digital Ground
Output 2.5 V
MCU PA6
MCU Test
MCU PA5
MCU PA4
5.0 V
Table 4. MM912_634 Pin Description
MM912_634 Advance Information, Rev. 4.0
General purpose port A input or output pin 6. See
Module (S12IPIMV1)
EXTAL is one of the optional crystal/resonator driver and external clock pins. On
reset, all the device clocks are derived from the Internal Reference Clock and port
PE may be used for general purpose I/O. See
and
XTAL is one of the optional crystal/resonator driver and external clock pins. On
reset, all the device clocks are derived from the Internal Reference Clock and port
PE may be used for general purpose I/O. See
and
This input only pin is reserved for test. This pin has a pull-down device. The TEST
pin must be tied to EVSS in user mode.
General purpose port A input or output pin 5. See
Module (S12IPIMV1)
General purpose port A input or output pin 4. See
Module
General purpose port A input or output pin 3, shared with the SS signal of the
integrated SPI Interface. See
General purpose port A input or output pin 2, shared with the SCLK signal of the
integrated SPI Interface. See
General purpose port A input or output pin 1, shared with the MOSI signal of the
integrated SPI Interface. See
General-purpose port A input or output pin 0, shared with the MISO signal of the
integrated SPI Interface. See
Ground for the MCU 5.0 V power supply.
MCU 5.0 V - Core- and Flash Voltage Regulator supply. See
“MM912_634 - MCU Die
Ground for the MCU 2.5 V power supply.
MCU 2.5 V - MCU Die-to-Die Interface power supply. See
“MM912_634 - MCU Die
+2.5 V main voltage regulator output pin. External capacitor (CVDD) needed. See
Section 4.5, “Power
+5.0 V main voltage regulator output pin. External capacitor (CVDDX) needed. See
Section 4.5, “Power
This pin is the device digital ground connection for the 5.0 V and 2.5V logic. DGND,
LGND, and AGND are internally connected to PGND via a back to back diode.
Battery voltage sense input. This pin can be connected directly to the battery line for
voltage measurements. The voltage present at this input is scaled down by an
internal voltage divider, and can be routed to the internal ADC via the analog
multiplexer.The pin is self-protected against reverse battery connections. An
external resistor (RVSENXSE) is needed for protection
“Supply Voltage Sense -
device configurations.
Section 4.28, “Port Integration Module
Section 4.28, “Port Integration Module
(S12IPIMV1).
Supply.
Supply.
VSENSE. Note: This pin function is not available on all
Overview.
Overview.
Section 4.28, “Port Integration Module
Section 4.28, “Port Integration Module
Section 4.28, “Port Integration Module
Section 4.28, “Port Integration Module
Description
(S12IPIMV1).
(S12IPIMV1).
Section 4.38.2.2, “EXTAL and XTAL
Section 4.38.2.2, “EXTAL and XTAL
Section 4.28, “Port Integration
Section 4.28, “Port Integration
Section 4.28, “Port Integration
(6)
. See
Section 4.27,
Section 4.27,
Section 4.23,
Pin Assignment
(S12IPIMV1).
(S12IPIMV1).
(S12IPIMV1).
(S12IPIMV1).
8
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