Datasheet

Chapter 1 Introduction
MC9S08AC16 Series Data Sheet, Rev. 9
20 Freescale Semiconductor
1.2 MCU Block Diagrams
The block diagram shows the structure of the MC9S08AC16 Series MCU.
Table 1-1. Features by MCU and Package
Consumer and Industrial “AC” Devices
Feature MC9S08AC16 MC9S08AC8
FLASH size (bytes) 16K 8K
RAM size (bytes) 1024 768
Pin quantity
48 44 42 32 48 44 42 32
ADC channels 88868886
TPM1 channels
1
44444444
TPM2 channels 22222222
TPM3 channels 22222222
KBI pins 76647664
GPIO pins 38 34 32 22 38 34 32 22
Consumer & Industrial
Qualified
yes yes
Automotive Qualified no no
Automotive “AW” Devices
Feature MC9S08AW16A MC9S08AW8A
FLASH size (bytes) 16K 8K
RAM size (bytes) 1024 768
Pin quantity
48 44 32 48 44 32
ADC channels 8 8 6 8 8 6
TPM1 channels
1
1
There are 4 channels on TPM1 but two of them (TPM1CH2 and TPM1CH3) are not
bonded to 32-pin LQFP package. These two channels can be used for soft timer
function.
444444
TPM2 channels 2 2 2 2 2 2
TPM3 channels 2 2 2 2 2 2
KBI pins 764764
GPIO pins 38 34 22 38 34 22
Consumer & Industrial
Qualified
no no
Automotive Qualified yes yes