MC9S12XET256MAL Freescale Semiconductor, MC9S12XET256MAL Datasheet - Page 616
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MC9S12XET256MAL
Manufacturer Part Number
MC9S12XET256MAL
Description
MCU 16BIT 256K FLASH 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12XEP768CAL.pdf
(1328 pages)
Specifications of MC9S12XET256MAL
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
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 12x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
112-LQFP
Cpu Family
HCS12X
Device Core Size
16b
Frequency (max)
50MHz
Interface Type
CAN/SCI/SPI
Total Internal Ram Size
16KB
# I/os (max)
91
Number Of Timers - General Purpose
25
Operating Supply Voltage (typ)
1.8/2.8/5V
Operating Supply Voltage (max)
1.98/2.9/5.5V
Operating Supply Voltage (min)
1.72/2.7/3.13V
On-chip Adc
16-chx12-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
112
Package Type
LQFP
No. Of I/o's
91
Eeprom Memory Size
4KB
Ram Memory Size
16KB
Cpu Speed
50MHz
No. Of Timers
3
No. Of Pwm Channels
8
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Processor Series
S12XE
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
16 KB
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
91
Number Of Timers
25
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, EVB9S12XEP100, DEMO9S12XEP100
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12XET256MAL
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC9S12XET256MAL
Manufacturer:
FREESCALE
Quantity:
20 000
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Chapter 16 Freescale’s Scalable Controller Area Network (S12MSCANV3)
1. Read: Anytime
616
Module Base + 0x0001
Write: Anytime in initialization mode (INITRQ = 1 and INITAK = 1); CANE is write once
CLKSRC
LOOPB
LISTEN
WUPM
BORM
CANE
Field
7
6
5
4
3
2
Reset:
W
R
MSCAN Enable
0 MSCAN module is disabled
1 MSCAN module is enabled
MSCAN Clock Source — This bit defines the clock source for the MSCAN module (only for systems with a clock
generation module;
0 MSCAN clock source is the oscillator clock
1 MSCAN clock source is the bus clock
Loopback Self Test Mode — When this bit is set, the MSCAN performs an internal loopback which can be used
for self test operation. The bit stream output of the transmitter is fed back to the receiver internally. The RXCAN
input is ignored and the TXCAN output goes to the recessive state (logic 1). The MSCAN behaves as it does
normally when transmitting and treats its own transmitted message as a message received from a remote node.
In this state, the MSCAN ignores the bit sent during the ACK slot in the CAN frame acknowledge field to ensure
proper reception of its own message. Both transmit and receive interrupts are generated.
0 Loopback self test disabled
1 Loopback self test enabled
Listen Only Mode — This bit configures the MSCAN as a CAN bus monitor. When LISTEN is set, all valid CAN
messages with matching ID are received, but no acknowledgement or error frames are sent out (see
Section 16.4.4.4, “Listen-Only
applications which require “hot plugging” or throughput analysis. The MSCAN is unable to transmit any
messages when listen only mode is active.
0 Normal operation
1 Listen only mode activated
Bus-Off Recovery Mode — This bit configures the bus-off state recovery mode of the MSCAN. Refer to
Section 16.5.2, “Bus-Off
0 Automatic bus-off recovery (see Bosch CAN 2.0A/B protocol specification)
1 Bus-off recovery upon user request
Wake-Up Mode — If WUPE in CANCTL0 is enabled, this bit defines whether the integrated low-pass filter is
applied to protect the MSCAN from spurious wake-up (see
0 MSCAN wakes up on any dominant level on the CAN bus
1 MSCAN wakes up only in case of a dominant pulse on the CAN bus that has a length of T
CANE
0
7
= Unimplemented
CLKSRC
Figure 16-5. MSCAN Control Register 1 (CANCTL1)
Table 16-4. CANCTL1 Register Field Descriptions
6
0
Section 16.4.3.2, “Clock
MC9S12XE-Family Reference Manual , Rev. 1.23
Recovery,” for details.
LOOPB
Mode”). In addition, the error counters are frozen. Listen only mode supports
0
5
LISTEN
System,” and
4
1
Description
Section Figure 16-43., “MSCAN Clocking
BORM
Section 16.4.5.5, “MSCAN Sleep
0
3
WUPM
2
0
Access: User read/write
Freescale Semiconductor
SLPAK
0
1
wup
Mode”).
Scheme,”).
INITAK
0
1
(1)
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