mc9s08gt16a Freescale Semiconductor, Inc, mc9s08gt16a Datasheet - Page 21

• Manufacturer Part Number: mc9s08gt16a
• Description: Hcs08 Microcontrollers 8-bit Microcontroller Family
• Manufacturer: Freescale Semiconductor, Inc

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