Datasheet

MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
Freescale Semiconductor 19
Chapter 1
Device Overview
1.1 Introduction
The MC9S08QG8 is a member of the low-cost, high-performance HCS08 Family of 8-bit microcontroller
units (MCUs). All MCUs in the family use the enhanced HCS08 core and are available with a variety of
modules, memory sizes, memory types, and package types. Refer to Table 1-1 for features associated with
each device in this series.
1.1.1 Devices in the MC9S08QG8/4 Series
Table 1-1 summarizes the features available in the MC9S08QG8/4 series of MCUs.
Table 1-1. Devices in the MC9S08QG8/4 Series
Feature
Device
MC9S08QG8 MC9S08QG4
Package 24-Pin 16-Pin 8-Pin 24-Pin 16-Pin 8-Pin
FLASH 8K 4K
RAM 512 256
XOSC yes yes no yes yes no
ICS yes yes
ACMP yes yes
ADC 8-ch 8-ch 4-ch 8-ch 8-ch 4-ch
DBG yes yes yes yes
IIC yes yes
IRQ yes yes
KBI 8-pin 8-pin 4-pin 8-pin 8-pin 4-pin
MTIM yes yes
SCI yes yes no yes yes no
SPI yes yes no yes yes no
TPM 2-ch 2-ch 1-ch 2-ch 2-ch 1-ch
I/O pins
12 I/O
1 Output
only
1 Input
only
12 I/O
1 Output only
1 Input only
4 I/O
1 Output only
1 Input only
12 I/O
1 Output only
1 Input only
12 I/O
1 Output only
1 Input only
4 I/O
1 Output only
1 Input only
Package
Typ es
24 QFN 16 PDIP
16 QFN
16 TSSOP
8 DFN
8 SOIC
24 QFN 16 QFN
16 TSSOP
8 DFN
8 PDIP
8 SOIC