MC912DG128ACPV Freescale Semiconductor, MC912DG128ACPV Datasheet - Page 344

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MC912DG128ACPV

Manufacturer Part Number
MC912DG128ACPV
Description
IC MCU 128K FLASH 8MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912DG128ACPV

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
69
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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MSCAN Controller
Technical Data
344
The synchronization jump width can be programmed in a range of 1 to 4
time quanta by setting the SJW parameter.
Above parameters can be set by programming the bus timing registers
(CBTR0–1, see
msCAN12 Bus Timing Register 1
It is the user’s responsibility to make sure that his bit time settings are in
compliance with the CAN standard.
the CAN conforming segment settings and the related parameter values.
Freescale Semiconductor, Inc.
For More Information On This Product,
Time segment 1: This segment includes the PROP_SEG and the
PHASE_SEG1 of the CAN standard. It can be programmed by
setting the parameter TSEG1 to consist of 4 to 16 time quanta.
Time segment 2: This segment represents the PHASE_SEG2 of
the CAN standard. It can be programmed by setting the TSEG2
parameter to be 2 to 8 time quanta long.
Transmit point
SYNC
_SEG
1
Go to: www.freescale.com
Figure 18-8. Segments within the Bit Time
NRZ Signal
MSCAN Controller
msCAN12 Bus Timing Register 0 (CBTR0)
(PROP_SEG + PHASE_SEG1)
8... 25 Time Quanta
= 1 Bit Time
Time segment 1
4 ... 16
(CBTR1)).
Figure 18-9
MC68HC912DT128A — Rev 4.0
gives an overview on
Sample point
(single or triple sampling)
(PHASE_SEG2)
Time Seg. 2
2 ... 8
and
MOTOROLA

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