MC68HC908MR8CFA Freescale Semiconductor, MC68HC908MR8CFA Datasheet - Page 111
MC68HC908MR8CFA
Manufacturer Part Number
MC68HC908MR8CFA
Description
IC MCU 8K FLASH 8MHZ PWM 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCHC908MR8VFAE.pdf
(372 pages)
Specifications of MC68HC908MR8CFA
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Price
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Part Number:
MC68HC908MR8CFA
Manufacturer:
FREESCALE
Quantity:
1 831
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Part Number:
MC68HC908MR8CFA
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Freescale Semiconductor
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Technical Data — MC68HC908MR8
8.1 Contents
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.6
8.6.1
8.6.2
8.6.3
8.7
8.8
8.9
8.10
8.11
8.11.1
8.11.2
Section 8. Clock Generator Module (CGM)
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
CGM During Break Mode . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Acquisition/Lock Time Specifications . . . . . . . . . . . . . . . .134
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . .113
Phase-Locked Loop Circuit (PLL). . . . . . . . . . . . . . . . . .115
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . .121
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . .122
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . .122
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . .123
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . .123
PLL Analog Power Pin (V
Oscillator Enable Signal (SIMOSCEN) . . . . . . . . . . . . . .124
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . 124
CGM Base Clock Output (CGMOUT) . . . . . . . . . . . . . . .124
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . .124
PLL Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
PLL Bandwidth Control Register . . . . . . . . . . . . . . . . . .129
PLL Programming Register. . . . . . . . . . . . . . . . . . . . . . .131
Acquisition/Lock Time Definitions . . . . . . . . . . . . . . . . .134
Parametric Influences on Reaction Time . . . . . . . . . . . .135
Clock Generator Module (CGM)
DDA
) . . . . . . . . . . . . . . . . . . . . .124
Technical Data
111
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