MC9S08LC60 Datasheet, PDF (23/358 Pages) Freescale Semiconductor, Inc – Microcontrollers

Table 1-3 lists the functional versions of the on-chip modules.
Table 1-3. Module Versions
Module
Analog Comparator (ACMP)
Analog-to-Digital Converter (ADC)
Internal Clock Generator (ICG)
Inter-Integrated Circuit (IIC)
Keyboard Interrupt (KBI)
Serial Communications Interface (SCI)
Serial Peripheral Interface (SPI)
Timer Pulse-Width Modulator (TPM)
Liquid Crystal Display Module (LCD)
Central Processing Unit (CPU)
Version
2
1
4
1
2
3
3
2
1
2
1.4 System Clock Distribution
1-kHz
ICG
SYSTEM
CONTROL
LOGIC
ICGERCLK
RTI
FFE
÷2
FIXED FREQ CLOCK
(XCLK)
TPM1
TPM2
ICGOUT
÷2
ICGLCLK*
BUSCLK
TPMCLK
IIC
SCI
Chapter 1 Device Overview
SPI1
SPI2
ACMP
CPU
BDC
LCD
COP
ADC
RAM
FLASH
* ICGLCLK is the alternate BDC clock source for the MC9S08LC60 Series.
ADC has min and max
frequency requirements.
See Chapter 1, “Introduction”
and the Electricals Appendix.
FLASH has frequency
requirements for program
and erase operation.
See the Electricals Appendix.
Figure 1-2. System Clock Distribution Diagram
Some of the modules inside the MCU have clock source choices. Figure 1-2 shows a simplified clock
connection diagram. The ICG supplies the clock sources:
• ICGOUT is an output of the ICG module. It is one of the following:
— The external crystal oscillator
— An external clock source
— The output of the digitally-controlled oscillator (DCO) in the frequency-locked loop
sub-module
MC9S08LC60 Series Advance Information Data Sheet, Rev. 2
Freescale Semiconductor
PRELIMINARY
23