MC9S08GT16CFB Freescale Semiconductor, MC9S08GT16CFB Datasheet - Page 21
MC9S08GT16CFB
Manufacturer Part Number
MC9S08GT16CFB
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S08GT16CFB.pdf
(290 pages)
Specifications of MC9S08GT16CFB
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
20MHz
Interface Type
SCI/SPI
Program Memory Type
Flash
Program Memory Size
16KB
Total Internal Ram Size
1KB
# I/os (max)
36
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
2.08V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
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Table 1-2
1.4
Some of the modules inside the MCU have clock source choices.
connection diagram. The ICG supplies the clock sources:
Freescale Semiconductor
•
ICG
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
Control bits inside the ICG determine which source is connected.
System Clock Distribution
lists the functional versions of the on-chip modules.
sub-module
ICGLCLK*
ICGERCLK
FFE
* ICGLCLK is the alternate BDC clock source for the MC9S08GB/GT.
ICGOUT
CPU
÷
CONTROL
2
SYSTEM
LOGIC
÷
2
FIXED FREQ CLOCK (XCLK)
Figure 1-3. System Clock Distribution Diagram
Serial Communications Interface (SCI)
Timer Pulse-Width Modulator (TPM)
RTI
BUSCLK
Analog-to-Digital Converter (ATD)
Serial Peripheral Interface (SPI)
Internal Clock Generator (ICG)
Central Processing Unit (CPU)
Inter-Integrated Circuit (IIC)
Keyboard Interrupt (KBI)
MC9S08GB/GT Data Sheet, Rev. 2.3
Table 1-2. Block Versions
Module
BDC
TPM1
TPM2
ATD has min and max
frequency requirements.
See
and
Characteristics.
IIC1
Figure 1-3
Appendix A, “Electrical
Chapter 1,
ATD1
Version
3
2
1
1
1
3
1
2
“Introduction”
SCI1
shows a simplified clock
RAM
SCI2
System Clock Distribution
FLASH has frequency
requirements for program
and erase operation.
See
Characteristics.
Appendix A, “Electrical
FLASH
SPI1
21
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