MC9S08GT32CFDE Freescale Semiconductor, MC9S08GT32CFDE Datasheet - Page 10
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MC9S08GT32CFDE
Manufacturer Part Number
MC9S08GT32CFDE
Description
IC MCU 32K FLASH 20MHZ 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08GT32CFDE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
Controller Family/series
HCS08
No. Of I/o's
39
Ram Memory Size
2KB
Cpu Speed
40MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
M68DEMO908GB60E - BOARD DEMO MC9S08GB60M68EVB908GB60E - BOARD EVAL FOR MC9S08GB60
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section Number
7.1
7.2
7.3
7.4
7.5
10
Introduction .....................................................................................................................................99
External Signal Description ..........................................................................................................101
Functional Description ..................................................................................................................103
Initialization/Application Information ..........................................................................................110
ICG Registers and Control Bits .....................................................................................................117
7.1.1
7.1.2
7.2.1
7.2.2
7.2.3
7.2.4
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
7.5.6
Features ..........................................................................................................................100
Modes of Operation .......................................................................................................101
Overview ........................................................................................................................101
Detailed Signal Descriptions .........................................................................................102
External Clock Connections ..........................................................................................102
External Crystal/Resonator Connections .......................................................................102
Off Mode (Off) ..............................................................................................................103
Self-Clocked Mode (SCM) ............................................................................................104
FLL Engaged, Internal Clock (FEI) Mode ....................................................................105
FLL Bypassed, External Clock (FBE) Mode ................................................................106
FLL Engaged, External Clock (FEE) Mode ..................................................................106
FLL Lock and Loss-of-Lock Detection .........................................................................107
FLL Loss-of-Clock Detection ........................................................................................107
Clock Mode Requirements ............................................................................................108
Fixed Frequency Clock ..................................................................................................109
Introduction ....................................................................................................................110
Example #1: External Crystal = 32 kHz, Bus Frequency = 4.19 MHz .........................112
Example #2: External Crystal = 4 MHz, Bus Frequency = 20 MHz ............................113
Example #3: No External Crystal Connection, 5.4 MHz Bus Frequency .....................114
Example #4: Internal Clock Generator Trim .................................................................116
ICG Control Register 1 (ICGC1) ......................................................................118
ICG Control Register 2 (ICGC2) ......................................................................119
ICG Status Register 1 (ICGS1) .................................................................................120
ICG Status Register 2 (ICGS2) ........................................................................122
ICG Filter Registers (ICGFLTU, ICGFLTL) .......................................................122
ICG Trim Register (ICGTRM) ...........................................................................123
7.2.2.1
7.2.2.2
7.3.1.1
7.3.1.2
7.3.1.3
7.3.3.1
7.3.3.2
7.3.5.1
7.3.5.2
Internal Clock Generator (ICG) Module
EXTAL— External Reference Clock / Oscillator Input ...............................102
XTAL— Oscillator Output ...........................................................................102
OSCSTEN Bit Set .........................................................................................103
Stop/Off Mode Recovery ..............................................................................104
FLL Engaged Internal Unlocked ..................................................................105
FLL Engaged Internal Locked ......................................................................106
FLL Engaged External Unlocked .................................................................106
FLL Engaged External Locked .....................................................................107
BDM Active .................................................................................................103
MC9S08GB/GT Data Sheet, Rev. 2.3
Chapter 7
Title
Freescale Semiconductor
Page
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