MC9S12XEP100CAL Freescale Semiconductor, MC9S12XEP100CAL Datasheet - Page 650

IC MCU 16BIT 1M FLASH 112-LQFP

MC9S12XEP100CAL

Manufacturer Part Number
MC9S12XEP100CAL
Description
IC MCU 16BIT 1M FLASH 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet

Specifications of MC9S12XEP100CAL

Core Processor
HCS12X
Core Size
16-Bit
Speed
50MHz
Connectivity
CAN, EBI/EMI, I²C, IrDA, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
91
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Processor Series
S12XE
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
64 KB
Interface Type
CAN/SCI/SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
91
Number Of Timers
25
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 12-bit
Package
112LQFP
Family Name
HCS12X
Maximum Speed
50 MHz
Operating Supply Voltage
1.8|2.8|5 V
For Use With
EVB9S12XEP100 - BOARD EVAL FOR MC9S12XEP100DEMO9S12XEP100 - BOARD DEMO FOR MC9S12XEP100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Chapter 16 Freescale’s Scalable Controller Area Network (S12MSCANV3)
16.4.3.1
The MSCAN protects the user from accidentally violating the CAN protocol through programming errors.
The protection logic implements the following features:
16.4.3.2
Figure 16-43
The clock source bit (CLKSRC) in the CANCTL1 register (16.3.2.2/16-615) defines whether the internal
CANCLK is connected to the output of a crystal oscillator (oscillator clock) or to the bus clock.
The clock source has to be chosen such that the tight oscillator tolerance requirements (up to 0.4%) of the
CAN protocol are met. Additionally, for high CAN bus rates (1 Mbps), a 45% to 55% duty cycle of the
clock is required.
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.
650
The receive and transmit error counters cannot be written or otherwise manipulated.
All registers which control the configuration of the MSCAN cannot be modified while the MSCAN
is on-line. The MSCAN has to be in Initialization Mode. The corresponding INITRQ/INITAK
handshake bits in the CANCTL0/CANCTL1 registers (see
Register 0
— MSCAN control 1 register (CANCTL1)
— MSCAN bus timing registers 0 and 1 (CANBTR0, CANBTR1)
— MSCAN identifier acceptance control register (CANIDAC)
— MSCAN identifier acceptance registers (CANIDAR0–CANIDAR7)
— MSCAN identifier mask registers (CANIDMR0–CANIDMR7)
The TXCAN is immediately forced to a recessive state when the MSCAN goes into the power
down mode or initialization mode (see
Section 16.4.4.5, “MSCAN Initialization
The MSCAN enable bit (CANE) is writable only once in normal system operation modes, which
provides further protection against inadvertently disabling the MSCAN.
Oscillator Clock
Bus Clock
Protocol Violation Protection
Clock System
shows the structure of the MSCAN clock generation circuitry.
(CANCTL0)”) serve as a lock to protect the following registers:
MC9S12XE-Family Reference Manual , Rev. 1.23
Figure 16-43. MSCAN Clocking Scheme
CLKSRC
Section 16.4.5.6, “MSCAN Power Down
Mode”).
CANCLK
MSCAN
CLKSRC
Prescaler
(1 .. 64)
Section 16.3.2.1, “MSCAN Control
Time quanta clock (Tq)
Freescale Semiconductor
Mode,” and

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