A Comprehensive Guide To S9S12G48F0MLFR Microcontroller IC 16-Bit 25MHz 48KB (48K x 8) FLASH 48-LQFP (7x7)

12V1 HCS12 Microcontroller IC 16-Bit 25MHz 48KB (48K x 8) FLASH 48-LQFP (7x7)

Introduction

The MC9S12G-Family is an optimized, automotive, 16-bit microcontroller product line focused on

low-cost, high-performance, and low pin-count. This family is intended to bridge between high-end 8-bit

microcontrollers and high-performance 16-bit microcontrollers, such as the MC9S12XS-Family. The

MC9S12G-Family is targeted at generic automotive applications requiring CAN or LIN/J2602

communication. Typical examples of these applications include body controllers, occupant detection, door

modules, seat controllers, RKE receivers, smart actuators, lighting modules, and smart junction boxes.

The MC9S12G-Family uses many of the same features found on the MC9S12XS- and MC9S12P-Family,

including error correction code (ECC) on flash memory, a fast analog-to-digital converter (ADC) and a

frequency modulated phase locked loop (IPLL) that improves the EMC performance. 

The MC9S12G-Family is optimized for lower program memory sizes down to 16k. In order to simplify

customer use it features an EEPROM with a small 4 bytes erase sector size.

The MC9S12G-Family deliver all the advantages and efficiencies of a 16-bit MCU while retaining the low

cost, power consumption, EMC, and code-size efficiency advantages currently enjoyed by users of NXP’s

existing 8-bit and 16-bit MCU families. Like the MC9S12XS-Family, the MC9S12G-Family run 16-bit

wide accesses without wait states for all peripherals and memories. The MC9S12G-Family is available in

100-pin LQFP, 64-pin LQFP, 48-pin LQFP/QFN, 32-pin LQFP and 20-pin TSSOP package options and

aims to maximize the amount of functionality especially for the lower pin count packages. In addition to

the I/O ports available in each module, further I/O ports are available with interrupt capability allowing

wake-up from stop or wait modes.

Chip-Level Features

On-chip modules available within the family include the following features:

• S12 CPU core

• Up to 240 Kbyte on-chip flash with ECC

• Up to 4 Kbyte EEPROM with ECC

• Up to 11 Kbyte on-chip SRAM

• Phase locked loop (IPLL) frequency multiplier with internal filter

• 4–16 MHz amplitude controlled Pierce oscillator

• 1 MHz internal RC oscillator

• Timer module (TIM) supporting up to eight channels that provide a range of 16-bit input capture,

output compare, counter, and pulse accumulator functions

• Pulse width modulation (PWM) module with up to eight x 8-bit channels

• Up to 16-channel, 10 or 12-bit resolution successive approximation analog-to-digital converter

(ADC)

• Up to two 8-bit digital-to-analog converters (DAC)

• Up to one 5V analog comparator (ACMP)

• Up to three serial peripheral interface (SPI) modules

• Up to three serial communication interface (SCI) modules supporting LIN communications

• Up to one multi-scalable controller area network (MSCAN) module (supporting CAN protocol

2.0A/B)

• On-chip voltage regulator (VREG) for regulation of input supply and all internal voltages

• Autonomous periodic interrupt (API)

• Precision fixed voltage reference for ADC conversions

• Optional reference voltage attenuator module to increase ADC accuracy

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