MC9S08GT16A Datasheet, PDF (21/300 Pages) Freescale Semiconductor, Inc – Microcontrollers

Table 1-2 lists the functional versions of the on-chip modules.
Table 1-2. Block Versions
Module
Analog-to-Digital Converter (ATD)
Internal Clock Generator (ICG)
Inter-Integrated Circuit (IIC)
Keyboard Interrupt (KBI)
Serial Communications Interface (SCI)
Serial Peripheral Interface (SPI)
Timer Pulse-Width Modulator (TPM)
Central Processing Unit (CPU)
Version
3
4
1
1
1
3
2
2
1.2 System Clock Distribution
SYSTEM
CONTROL
LOGIC
ICGERCLK
RTI
FFE
TPM1
TPM2
IIC
SCI1
÷2
ICG
FIXED FREQ CLOCK (XCLK)
Device Overview
SCI2
SPI
ICGOUT
÷2
ICGLCLK*
BUSCLK
CPU
BDC
COP
ATD
RAM
* ICGLCLK is the alternate BDC clock source for the MC9S08GT16A/GT8A.
ATD has min and max
frequency requirements.
See Chapter 14, “Ana-
log-to-Digital Converter
(S08ATDV3)”
and Appendix A, “Electrical
Characteristics.”
Figure 1-2. System Clock Distribution Diagram
FLASH
FLASH has frequency
requirements for program
and erase operation.
See Appendix A, “Electrical
Characteristics”.
MC9S08GT16A/GT8A Data Sheet, Rev. 1
Freescale Semiconductor
21