nxp xep100mal單片機datasheet
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MC9S12XEP100
Reference Manual
Covers MC9S12XE Family
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Chapter 1
Device Overview MC9S12XE-Family
1.1 Introduction
The MC9S12XE-Family of micro controllers is a further development of the S12XD-Family including
new features for enhanced system integrity and greater functionality. These new features include a
Memory Protection Unit (MPU) and Error Correction Code (ECC) on the Flash memory together with
enhanced EEPROM functionality (EEE), an enhanced XGATE, an Internally filtered, frequency
modulated Phase Locked Loop (IPLL) and an enhanced ATD. The E-Family extends the S12X product
range up to 1MB of Flash memory with increased I/O capability in the 208-pin version of the flagship
MC9S12XE100.
The MC9S12XE-Family delivers 32-bit performance with all the advantages and efficiencies of a 16 bit
MCU. It retains the low cost, power consumption, EMC and code-size efficiency advantages currently
enjoyed by users of Freescale’s existing 16-Bit MC9S12 and S12X MCU families. There is a high level of
compatibility between the S12XE and S12XD families.
The MC9S12XE-Family features an enhanced version of the performance-boosting XGATE co-processor
which is programmable in “C” language and runs at twice the bus frequency of the S12X with an
instruction set optimized for data movement, logic and bit manipulation instructions and which can service
any peripheral module on the device. The new enhanced version has improved interrupt handling
capability and is fully compatible with the existing XGATE module.
The MC9S12XE-Family is composed of standard on-chip peripherals including up to 64Kbytes of RAM,
eight asynchronous serial communications interfaces (SCI), three serial peripheral interfaces (SPI), an 8-
channel IC/OC enhanced capture timer (ECT), two 16-channel, 12-bit analog-to-digital converters, an 8-
channel pulse-width modulator (PWM), five CAN 2.0 A, B software compatible modules (MSCAN12),
two inter-IC bus blocks (IIC), an 8-channel 24-bit periodic interrupt timer (PIT) and an 8-channel 16-bit
standard timer module (TIM).
The MC9S12XE-Family uses 16-bit wide accesses without wait states for all peripherals and memories.
The non-multiplexed expanded bus interface available on the 144/208-Pin versions allows an easy
interface to external memories.
In addition to the I/O ports available in each module, up to 26 further I/O ports are available with interrupt
capability allowing Wake-Up from STOP or WAIT modes. The MC9S12XE-Family is available in 208-
Pin MAPBGA, 144-Pin LQFP, 112-Pin LQFP or 80-Pin QFP options.
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MC9S12XEP100RMV1.pdf
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2018-8-27 10:08 上傳
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