MC9S12HZ128CAL Freescale Semiconductor, MC9S12HZ128CAL Datasheet - Page 376
![IC MCU 16BIT 128K FLASH 112-LQFP](/photos/12/21/122139/mc9s12hz128cal_sml.jpg)
MC9S12HZ128CAL
Manufacturer Part Number
MC9S12HZ128CAL
Description
IC MCU 16BIT 128K FLASH 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12HZ128CAL.pdf
(692 pages)
Specifications of MC9S12HZ128CAL
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
CAN, EBI/EMI, I²C, SCI, SPI
Peripherals
LCD, Motor control PWM, POR, PWM, WDT
Number Of I /o
85
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Processor Series
S12H
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
6 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
85
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12HZ128CAL
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 12 Freescale’s Scalable Controller Area Network (MSCANV2)
If the bus clock is generated from a PLL, it is recommended to select the oscillator clock rather than the
bus clock due to jitter considerations, especially at the faster CAN bus rates.
For microcontrollers without a clock and reset generator (CRG), CANCLK is driven from the crystal
oscillator (oscillator clock).
A programmable prescaler generates the time quanta (Tq) clock from CANCLK. A time quantum is the
atomic unit of time handled by the MSCAN.
A bit time is subdivided into three segments as described in the Bosch CAN specification. (see
Figure
376
•
•
•
12-41):
SYNC_SEG: This segment has a fixed length of one time quantum. Signal edges are expected to
happen within this section.
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
Bit Rate
NRZ Signal
Figure 12-41. Segments within the Bit Time
MC9S12HZ256 Data Sheet, Rev. 2.05
(PROP_SEG + PHASE_SEG1)
Tq
=
=
8 ... 25 Time Quanta
-------------------------------------------------------------------------------- -
Time Segment 1
number of Time Quanta
----------------------------------------------------- -
= 1 Bit Time
4 ... 16
Prescaler value
f
CANCLK
f
Tq
Sample Point
(single or triple sampling)
Time Segment 2
(PHASE_SEG2)
2 ... 8
Freescale Semiconductor
Eqn. 12-2
Eqn. 12-3
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