LFEBS12UB Freescale Semiconductor, LFEBS12UB Datasheet - Page 655

KIT STUDENT LEARNING S12 DG128

LFEBS12UB

Manufacturer Part Number
LFEBS12UB
Description
KIT STUDENT LEARNING S12 DG128
Manufacturer
Freescale Semiconductor
Datasheets

Specifications of LFEBS12UB

Architecture
8/16-bit
Code Gen Tools Included
Code Warrior
Silicon Manufacturer
Freescale
Core Architecture
S12
Core Sub-architecture
S12
Silicon Core Number
MC9S12
Silicon Family Name
S12D
Kit Contents
HCS12 DG128 Learning Kit
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
16.4.5.1
As shown in
run mode.
16.4.5.2
The WAI instruction puts the MCU in a low power consumption stand-by mode. If the CSWAI bit is set,
additional power can be saved in power down mode because the CPU clocks are stopped. After leaving
this power down mode, the MSCAN restarts and enters normal mode again.
While the CPU is in wait mode, the MSCAN can be operated in normal mode and generate interrupts
(registers can be accessed via background debug mode).
16.4.5.3
The STOP instruction puts the MCU in a low power consumption stand-by mode. In stop mode, the
MSCAN is set in power down mode regardless of the value of the SLPRQ/SLPAK and CSWAI bits
(Table
16.4.5.4
This is a non-power-saving mode. Enabling the MSCAN puts the module from disabled mode into normal
mode. In this mode the module can either be in initialization mode or out of initialization mode. See
Section 16.4.4.5, “MSCAN Initialization
Freescale Semiconductor
1. ‘X’ means don’t care.
16-38).
CPU Mode
STOP
WAIT
RUN
Table
Operation in Run Mode
Operation in Wait Mode
Operation in Stop Mode
MSCAN Normal Mode
16-38, only MSCAN sleep mode is available as low power option when the CPU is in
CSWAI = X
SLPRQ = 0
SLPRQ = 0
CSWAI = 0
SLPAK = 0
SLPAK = 0
Table 16-38. CPU vs. MSCAN Operating Modes
Normal
MC9S12XE-Family Reference Manual Rev. 1.23
(1)
Mode”.
Chapter 16 Freescale’s Scalable Controller Area Network (S12MSCANV3)
SLPRQ = 1
SLPRQ = 1
CSWAI = X
CSWAI = 0
SLPAK = 1
SLPAK = 1
Sleep
MSCAN Mode
Reduced Power Consumption
Power Down
SLPRQ = X
SLPRQ = X
CSWAI = X
CSWAI = 1
SLPAK = X
SLPAK = X
SLPRQ = X
SLPRQ = X
SLPRQ = X
CSWAI = X
CSWAI = X
CSWAI = X
SLPAK = X
SLPAK = X
SLPAK = X
(CANE=0)
Disabled
655

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