S12XS Family Fact Sheet Datasheet by NXP USA Inc.

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Overview
Addressing the need for design flexibility
and platform compatibility, Freescale has
developed the S12XS family of 16-bit
microcontrollers (MCUs) optimized for a broad
range of cost-sensitive automotive body
electronics applications. The family includes
six devices designed to give you flexibility in
choosing different memory, package and cost
options to accommodate your application
requirements.
The S12XS family provides an economical,
compatible extension to the high-performance
S12XE family, broadening the overall portfolio
by offering you lower cost and smaller
package options. The S12XS and S12XE
families have complementary memory,
peripherals and packages. This flexibility can
help you react quickly to market opportunities
and reduce the cost of migration if application
requirements change during the development
cycle. The full range of S12 and S12X products
enables scalability, hardware and software
reusability, and compatibility across a broad
array of automotive electronics platforms.
2 LIN/SCI
SPI
MSCAN
GPIO
FMPLL
4–12 KB RAM
64–256 KB Flash ECC
INT CRG
DBG
S12X CPU
PWM 8B 8-ch.
Timer 16B 8-ch.
4–8 KB DataFlash
®
ECC
4-ch. Periodic
Interrupt Timer
64/112 LQFP
80 QFP
ATD 12B
8–16-ch.
S12XS Family Block Diagram
16-bit Microcontrollers
S12XS
Family of automotive microcontrollers
The S12XS family features a streamlined set
of on-chip peripheral, memory and package
options optimized for automotive body and
passenger comfort applications. Compact
packaging makes these devices suitable
for space-constrained applications, such as
small actuators, sensor modules and column-
integrated modules.
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© Freescale Semiconductor, Inc. 2008
Document Number: S12XSFS
REV 3
Applications
• Seat controllers
• Steering wheel controllers
• Heat ventilation and air conditioning
• Sunroofs
• Door zone modules
• Slave body control modules
• Cost-effective lighting modules
• Cost-effective ABS, EPS
Key Features
Memory
• 64 KB to 256 KB of embedded flash
memory with error correction coding (ECC)
• 4 KB to 12 KB RAM
• Up to 4 KB to 8 KB of data-flash memory
with 256-byte sectors
System
• 40 MHz 16-bit CPU12X upward compatible
with MC9S12 instruction set
• Enhanced interrupt module
• Background debug module (BDM) with
single-wire interface
• 3.3V to 5.0V operation
• Temperature range: -40°C to +125°C
Communications and I/O
• One MSCAN module
• CAN 2.0 A, B software compatible
• One serial peripheral interface (SPI) module
• Two LIN capable serial communication
interfaces (SCI)
• Up to 91 general-purpose input/output
(GPIO) pins
Timers and Analog-to-Digital
Converter (ADC)
• One ADC with 8/10/12-bit resolution and
multiplexer for 16 analog input channels
• 8-channel x 8-bit or 4-channel x 16-bit
pulse width modulator
• Timer (TIM) with 8- x 16-bit channels for
input capture or output compare
Clock
• Internally filtered phase-locked-loop (IPLL)
—no external components required
• Fast wake up from STOP for power saving
and immediate program execution
Specifications
• Package options
64-pin and 112-pin LQFP
80-pin QFP
Benefits
Cost Effectiveness: Optimizes feature set
and packaging for cost-sensitive automotive
body applications
Scalability and Compatibility: Extends
S12X memory range from 64 KB up to
1 MB with the compatible upgrade path
to the S12XE family
Flexibility: Supports cost-sensitive
applications with a balanced set of peripherals;
upgrade path to the S12XE family maximizes
software and hardware reusability
Development Support: Leverages and
expands on the extensive suite of hardware
and software development tools available
today for the S12 and S12X families
Device Flash ROM RAM EE XGATE MPU EBI CAN SCI
(LIN)
SPI IIC ECT TIM PIT PWM ATD Max
Speed
(MHz)
Package
9S12XS256 256 KB 12 KB 8 KB
DataFlash
®
1 2 1 16B,
8-ch.
4-ch. 8B,
8-ch.
16 32 64 LQFP 80 QFP
112 LQFP
3S12XS256 256 KB 12 KB 1 2 1 16B,
8-ch.
4-ch. 8B,
8-ch.
16 32 64 LQFP 80 QFP
112 LQFP
9S12XS128 128 KB 8 KB 8 KB
DataFlash
®
1 2 1 16B,
8-ch.
4-ch. 8B,
8-ch.
16 32 64 LQFP
80 QFP 112 LQFP
3S12XS128 128 KB 8 KB 1 2 1 16B,
8-ch.
4-ch. 8B,
8-ch.
16 32 64 LQFP
80 QFP 112 LQFP
9S12XS64 64 KB 4 KB 4 KB
DataFlash
®
1 2 1 16B,
8-ch.
4-ch. 8B,
8-ch.
16 32 64 LQFP
80 QFP 112 LQFP
3S12XS64 64 KB 4 KB 1 2 1 16B,
8-ch.
4-ch. 8B,
8-ch.
16 32 64 LQFP
80 QFP 112 LQFP

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